diff options
author | Greg Kroah-Hartman <gregkh@suse.de> | 2011-05-13 16:03:10 -0700 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-05-13 16:04:02 -0700 |
commit | 2efeaeb00f26c13ac14b8d53684a8bbd3c343ce6 (patch) | |
tree | 7ad4ff45c9f6471dca1b6b004cf3757512a20a15 /drivers/usb | |
parent | 472b91274a6c6857877b5caddb875dcb5ecdfcb8 (diff) | |
parent | 43b416e5f6a3ce269571cfe25c8f1e8e9316c5b0 (diff) | |
download | kernel_samsung_smdk4412-2efeaeb00f26c13ac14b8d53684a8bbd3c343ce6.zip kernel_samsung_smdk4412-2efeaeb00f26c13ac14b8d53684a8bbd3c343ce6.tar.gz kernel_samsung_smdk4412-2efeaeb00f26c13ac14b8d53684a8bbd3c343ce6.tar.bz2 |
Merge branch 'for-next' of master.kernel.org:/pub/scm/linux/kernel/git/balbi/usb into usb-next
* 'for-next' of master.kernel.org:/pub/scm/linux/kernel/git/balbi/usb:
MAINTAINERS: tree moved to kernel.org
usb: musb: Calling VBUS pulsing API when SRP is initiated.
usb: otg: TWL6030: OMAP4430: Adding SRP VBUS pulsing API
usb: musb: host: remove duplicate check in musb_ep_program()
usb: musb: export musb_interrupt symbol
usb: musb: allow musb and glue layers to be modules
usb: musb: drop unneeded musb_debug trickery
Diffstat (limited to 'drivers/usb')
-rw-r--r-- | drivers/usb/musb/Kconfig | 28 | ||||
-rw-r--r-- | drivers/usb/musb/Makefile | 2 | ||||
-rw-r--r-- | drivers/usb/musb/am35x.c | 10 | ||||
-rw-r--r-- | drivers/usb/musb/blackfin.c | 11 | ||||
-rw-r--r-- | drivers/usb/musb/cppi_dma.c | 34 | ||||
-rw-r--r-- | drivers/usb/musb/da8xx.c | 14 | ||||
-rw-r--r-- | drivers/usb/musb/davinci.c | 10 | ||||
-rw-r--r-- | drivers/usb/musb/musb_core.c | 98 | ||||
-rw-r--r-- | drivers/usb/musb/musb_debug.h | 12 | ||||
-rw-r--r-- | drivers/usb/musb/musb_gadget.c | 114 | ||||
-rw-r--r-- | drivers/usb/musb/musb_gadget_ep0.c | 22 | ||||
-rw-r--r-- | drivers/usb/musb/musb_host.c | 155 | ||||
-rw-r--r-- | drivers/usb/musb/musb_virthub.c | 22 | ||||
-rw-r--r-- | drivers/usb/musb/musbhsdma.c | 11 | ||||
-rw-r--r-- | drivers/usb/musb/omap2430.c | 20 | ||||
-rw-r--r-- | drivers/usb/musb/tusb6010.c | 48 | ||||
-rw-r--r-- | drivers/usb/musb/tusb6010_omap.c | 32 | ||||
-rw-r--r-- | drivers/usb/otg/twl6030-usb.c | 15 |
18 files changed, 319 insertions, 339 deletions
diff --git a/drivers/usb/musb/Kconfig b/drivers/usb/musb/Kconfig index 74073b3..dbb13bd 100644 --- a/drivers/usb/musb/Kconfig +++ b/drivers/usb/musb/Kconfig @@ -14,7 +14,7 @@ config USB_MUSB_HDRC select TWL4030_USB if MACH_OMAP_3430SDP select TWL6030_USB if MACH_OMAP_4430SDP || MACH_OMAP4_PANDA select USB_OTG_UTILS - bool 'Inventra Highspeed Dual Role Controller (TI, ADI, ...)' + tristate 'Inventra Highspeed Dual Role Controller (TI, ADI, ...)' help Say Y here if your system has a dual role high speed USB controller based on the Mentor Graphics silicon IP. Then @@ -30,39 +30,39 @@ config USB_MUSB_HDRC If you do not know what this is, please say N. -# To compile this driver as a module, choose M here; the -# module will be called "musb-hdrc". + To compile this driver as a module, choose M here; the + module will be called "musb-hdrc". choice prompt "Platform Glue Layer" depends on USB_MUSB_HDRC config USB_MUSB_DAVINCI - bool "DaVinci" + tristate "DaVinci" depends on ARCH_DAVINCI_DMx config USB_MUSB_DA8XX - bool "DA8xx/OMAP-L1x" + tristate "DA8xx/OMAP-L1x" depends on ARCH_DAVINCI_DA8XX config USB_MUSB_TUSB6010 - bool "TUSB6010" + tristate "TUSB6010" depends on ARCH_OMAP config USB_MUSB_OMAP2PLUS - bool "OMAP2430 and onwards" + tristate "OMAP2430 and onwards" depends on ARCH_OMAP2PLUS config USB_MUSB_AM35X - bool "AM35x" + tristate "AM35x" depends on ARCH_OMAP config USB_MUSB_BLACKFIN - bool "Blackfin" + tristate "Blackfin" depends on (BF54x && !BF544) || (BF52x && ! BF522 && !BF523) config USB_MUSB_UX500 - bool "U8500 and U5500" + tristate "U8500 and U5500" depends on (ARCH_U8500 && AB8500_USB) || (ARCH_U5500) endchoice @@ -176,11 +176,3 @@ config USB_TUSB_OMAP_DMA help Enable DMA transfers on TUSB 6010 when OMAP DMA is available. -config USB_MUSB_DEBUG - depends on USB_MUSB_HDRC - bool "Enable debugging messages" - default n - help - This enables musb debugging. To set the logging level use the debug - module parameter. Starting at level 3, per-transfer (urb, usb_request, - packet, or dma transfer) tracing may kick in. diff --git a/drivers/usb/musb/Makefile b/drivers/usb/musb/Makefile index 74df528..4e15281 100644 --- a/drivers/usb/musb/Makefile +++ b/drivers/usb/musb/Makefile @@ -2,8 +2,6 @@ # for USB OTG silicon based on Mentor Graphics INVENTRA designs # -ccflags-$(CONFIG_USB_MUSB_DEBUG) := -DDEBUG - obj-$(CONFIG_USB_MUSB_HDRC) += musb_hdrc.o musb_hdrc-y := musb_core.o diff --git a/drivers/usb/musb/am35x.c b/drivers/usb/musb/am35x.c index 9e6209f..23ac28f 100644 --- a/drivers/usb/musb/am35x.c +++ b/drivers/usb/musb/am35x.c @@ -151,7 +151,7 @@ static void otg_timer(unsigned long _musb) * status change events (from the transceiver) otherwise. */ devctl = musb_readb(mregs, MUSB_DEVCTL); - DBG(7, "Poll devctl %02x (%s)\n", devctl, + dev_dbg(musb->controller, "Poll devctl %02x (%s)\n", devctl, otg_state_string(musb->xceiv->state)); spin_lock_irqsave(&musb->lock, flags); @@ -203,7 +203,7 @@ static void am35x_musb_try_idle(struct musb *musb, unsigned long timeout) /* Never idle if active, or when VBUS timeout is not set as host */ if (musb->is_active || (musb->a_wait_bcon == 0 && musb->xceiv->state == OTG_STATE_A_WAIT_BCON)) { - DBG(4, "%s active, deleting timer\n", + dev_dbg(musb->controller, "%s active, deleting timer\n", otg_state_string(musb->xceiv->state)); del_timer(&otg_workaround); last_timer = jiffies; @@ -211,12 +211,12 @@ static void am35x_musb_try_idle(struct musb *musb, unsigned long timeout) } if (time_after(last_timer, timeout) && timer_pending(&otg_workaround)) { - DBG(4, "Longer idle timer already pending, ignoring...\n"); + dev_dbg(musb->controller, "Longer idle timer already pending, ignoring...\n"); return; } last_timer = timeout; - DBG(4, "%s inactive, starting idle timer for %u ms\n", + dev_dbg(musb->controller, "%s inactive, starting idle timer for %u ms\n", otg_state_string(musb->xceiv->state), jiffies_to_msecs(timeout - jiffies)); mod_timer(&otg_workaround, timeout); @@ -305,7 +305,7 @@ static irqreturn_t am35x_musb_interrupt(int irq, void *hci) } /* NOTE: this must complete power-on within 100 ms. */ - DBG(2, "VBUS %s (%s)%s, devctl %02x\n", + dev_dbg(musb->controller, "VBUS %s (%s)%s, devctl %02x\n", drvvbus ? "on" : "off", otg_state_string(musb->xceiv->state), err ? " ERROR" : "", diff --git a/drivers/usb/musb/blackfin.c b/drivers/usb/musb/blackfin.c index e141d89..95d75c0 100644 --- a/drivers/usb/musb/blackfin.c +++ b/drivers/usb/musb/blackfin.c @@ -43,7 +43,7 @@ void musb_write_fifo(struct musb_hw_ep *hw_ep, u16 len, const u8 *src) musb_writew(epio, MUSB_TXCOUNT, len); - DBG(4, "TX ep%d fifo %p count %d buf %p, epio %p\n", + dev_dbg(musb->controller, "TX ep%d fifo %p count %d buf %p, epio %p\n", hw_ep->epnum, fifo, len, src, epio); dump_fifo_data(src, len); @@ -154,7 +154,7 @@ void musb_read_fifo(struct musb_hw_ep *hw_ep, u16 len, u8 *dst) *(dst + len - 1) = (u8)inw((unsigned long)fifo + 4); } } - DBG(4, "%cX ep%d fifo %p count %d buf %p\n", + dev_dbg(musb->controller, "%cX ep%d fifo %p count %d buf %p\n", 'R', hw_ep->epnum, fifo, len, dst); dump_fifo_data(dst, len); @@ -279,13 +279,14 @@ static void musb_conn_timer_handler(unsigned long _musb) } break; default: - DBG(1, "%s state not handled\n", + dev_dbg(musb->controller, "%s state not handled\n", otg_state_string(musb->xceiv->state)); break; } spin_unlock_irqrestore(&musb->lock, flags); - DBG(4, "state is %s\n", otg_state_string(musb->xceiv->state)); + dev_dbg(musb->controller, "state is %s\n", + otg_state_string(musb->xceiv->state)); } static void bfin_musb_enable(struct musb *musb) @@ -307,7 +308,7 @@ static void bfin_musb_set_vbus(struct musb *musb, int is_on) value = !value; gpio_set_value(musb->config->gpio_vrsel, value); - DBG(1, "VBUS %s, devctl %02x " + dev_dbg(musb->controller, "VBUS %s, devctl %02x " /* otg %3x conf %08x prcm %08x */ "\n", otg_state_string(musb->xceiv->state), musb_readb(musb->mregs, MUSB_DEVCTL)); diff --git a/drivers/usb/musb/cppi_dma.c b/drivers/usb/musb/cppi_dma.c index ab434fb..149f3f3 100644 --- a/drivers/usb/musb/cppi_dma.c +++ b/drivers/usb/musb/cppi_dma.c @@ -236,7 +236,7 @@ static int cppi_controller_stop(struct dma_controller *c) musb_writel(tibase, DAVINCI_RXCPPI_INTCLR_REG, DAVINCI_DMA_ALL_CHANNELS_ENABLE); - DBG(1, "Tearing down RX and TX Channels\n"); + dev_dbg(musb->controller, "Tearing down RX and TX Channels\n"); for (i = 0; i < ARRAY_SIZE(controller->tx); i++) { /* FIXME restructure of txdma to use bds like rxdma */ controller->tx[i].last_processed = NULL; @@ -301,13 +301,13 @@ cppi_channel_allocate(struct dma_controller *c, */ if (transmit) { if (index >= ARRAY_SIZE(controller->tx)) { - DBG(1, "no %cX%d CPPI channel\n", 'T', index); + dev_dbg(musb->controller, "no %cX%d CPPI channel\n", 'T', index); return NULL; } cppi_ch = controller->tx + index; } else { if (index >= ARRAY_SIZE(controller->rx)) { - DBG(1, "no %cX%d CPPI channel\n", 'R', index); + dev_dbg(musb->controller, "no %cX%d CPPI channel\n", 'R', index); return NULL; } cppi_ch = controller->rx + index; @@ -318,13 +318,13 @@ cppi_channel_allocate(struct dma_controller *c, * with the other DMA engine too */ if (cppi_ch->hw_ep) - DBG(1, "re-allocating DMA%d %cX channel %p\n", + dev_dbg(musb->controller, "re-allocating DMA%d %cX channel %p\n", index, transmit ? 'T' : 'R', cppi_ch); cppi_ch->hw_ep = ep; cppi_ch->channel.status = MUSB_DMA_STATUS_FREE; cppi_ch->channel.max_len = 0x7fffffff; - DBG(4, "Allocate CPPI%d %cX\n", index, transmit ? 'T' : 'R'); + dev_dbg(musb->controller, "Allocate CPPI%d %cX\n", index, transmit ? 'T' : 'R'); return &cppi_ch->channel; } @@ -339,7 +339,7 @@ static void cppi_channel_release(struct dma_channel *channel) c = container_of(channel, struct cppi_channel, channel); tibase = c->controller->tibase; if (!c->hw_ep) - DBG(1, "releasing idle DMA channel %p\n", c); + dev_dbg(musb->controller, "releasing idle DMA channel %p\n", c); else if (!c->transmit) core_rxirq_enable(tibase, c->index + 1); @@ -597,7 +597,7 @@ cppi_next_tx_segment(struct musb *musb, struct cppi_channel *tx) length = min(n_bds * maxpacket, length); } - DBG(4, "TX DMA%d, pktSz %d %s bds %d dma 0x%llx len %u\n", + dev_dbg(musb->controller, "TX DMA%d, pktSz %d %s bds %d dma 0x%llx len %u\n", tx->index, maxpacket, rndis ? "rndis" : "transparent", @@ -654,7 +654,7 @@ cppi_next_tx_segment(struct musb *musb, struct cppi_channel *tx) bd->hw_options |= CPPI_ZERO_SET; } - DBG(5, "TXBD %p: nxt %08x buf %08x len %04x opt %08x\n", + dev_dbg(musb->controller, "TXBD %p: nxt %08x buf %08x len %04x opt %08x\n", bd, bd->hw_next, bd->hw_bufp, bd->hw_off_len, bd->hw_options); @@ -819,7 +819,7 @@ cppi_next_rx_segment(struct musb *musb, struct cppi_channel *rx, int onepacket) length = min(n_bds * maxpacket, length); - DBG(4, "RX DMA%d seg, maxp %d %s bds %d (cnt %d) " + dev_dbg(musb->controller, "RX DMA%d seg, maxp %d %s bds %d (cnt %d) " "dma 0x%llx len %u %u/%u\n", rx->index, maxpacket, onepacket @@ -936,7 +936,7 @@ cppi_next_rx_segment(struct musb *musb, struct cppi_channel *rx, int onepacket) DAVINCI_RXCPPI_BUFCNT0_REG + (rx->index * 4)) & 0xffff; if (i < (2 + n_bds)) { - DBG(2, "bufcnt%d underrun - %d (for %d)\n", + dev_dbg(musb->controller, "bufcnt%d underrun - %d (for %d)\n", rx->index, i, n_bds); musb_writel(tibase, DAVINCI_RXCPPI_BUFCNT0_REG + (rx->index * 4), @@ -985,7 +985,7 @@ static int cppi_channel_program(struct dma_channel *ch, /* WARN_ON(1); */ break; case MUSB_DMA_STATUS_UNKNOWN: - DBG(1, "%cX DMA%d not allocated!\n", + dev_dbg(musb->controller, "%cX DMA%d not allocated!\n", cppi_ch->transmit ? 'T' : 'R', cppi_ch->index); /* FALLTHROUGH */ @@ -1040,7 +1040,7 @@ static bool cppi_rx_scan(struct cppi *cppi, unsigned ch) if (!completed && (bd->hw_options & CPPI_OWN_SET)) break; - DBG(5, "C/RXBD %llx: nxt %08x buf %08x " + dev_dbg(musb->controller, "C/RXBD %llx: nxt %08x buf %08x " "off.len %08x opt.len %08x (%d)\n", (unsigned long long)bd->dma, bd->hw_next, bd->hw_bufp, bd->hw_off_len, bd->hw_options, @@ -1062,7 +1062,7 @@ static bool cppi_rx_scan(struct cppi *cppi, unsigned ch) * CPPI ignores those BDs even though OWN is still set. */ completed = true; - DBG(3, "rx short %d/%d (%d)\n", + dev_dbg(musb->controller, "rx short %d/%d (%d)\n", len, bd->buflen, rx->channel.actual_len); } @@ -1112,7 +1112,7 @@ static bool cppi_rx_scan(struct cppi *cppi, unsigned ch) musb_ep_select(cppi->mregs, rx->index + 1); csr = musb_readw(regs, MUSB_RXCSR); if (csr & MUSB_RXCSR_DMAENAB) { - DBG(4, "list%d %p/%p, last %llx%s, csr %04x\n", + dev_dbg(musb->controller, "list%d %p/%p, last %llx%s, csr %04x\n", rx->index, rx->head, rx->tail, rx->last_processed @@ -1175,7 +1175,7 @@ irqreturn_t cppi_interrupt(int irq, void *dev_id) return IRQ_NONE; } - DBG(4, "CPPI IRQ Tx%x Rx%x\n", tx, rx); + dev_dbg(musb->controller, "CPPI IRQ Tx%x Rx%x\n", tx, rx); /* process TX channels */ for (index = 0; tx; tx = tx >> 1, index++) { @@ -1203,7 +1203,7 @@ irqreturn_t cppi_interrupt(int irq, void *dev_id) * that needs to be acknowledged. */ if (NULL == bd) { - DBG(1, "null BD\n"); + dev_dbg(musb->controller, "null BD\n"); musb_writel(&tx_ram->tx_complete, 0, 0); continue; } @@ -1218,7 +1218,7 @@ irqreturn_t cppi_interrupt(int irq, void *dev_id) if (bd->hw_options & CPPI_OWN_SET) break; - DBG(5, "C/TXBD %p n %x b %x off %x opt %x\n", + dev_dbg(musb->controller, "C/TXBD %p n %x b %x off %x opt %x\n", bd, bd->hw_next, bd->hw_bufp, bd->hw_off_len, bd->hw_options); diff --git a/drivers/usb/musb/da8xx.c b/drivers/usb/musb/da8xx.c index 0d89849..662ed34 100644 --- a/drivers/usb/musb/da8xx.c +++ b/drivers/usb/musb/da8xx.c @@ -199,7 +199,7 @@ static void otg_timer(unsigned long _musb) * status change events (from the transceiver) otherwise. */ devctl = musb_readb(mregs, MUSB_DEVCTL); - DBG(7, "Poll devctl %02x (%s)\n", devctl, + dev_dbg(musb->controller, "Poll devctl %02x (%s)\n", devctl, otg_state_string(musb->xceiv->state)); spin_lock_irqsave(&musb->lock, flags); @@ -274,7 +274,7 @@ static void da8xx_musb_try_idle(struct musb *musb, unsigned long timeout) /* Never idle if active, or when VBUS timeout is not set as host */ if (musb->is_active || (musb->a_wait_bcon == 0 && musb->xceiv->state == OTG_STATE_A_WAIT_BCON)) { - DBG(4, "%s active, deleting timer\n", + dev_dbg(musb->controller, "%s active, deleting timer\n", otg_state_string(musb->xceiv->state)); del_timer(&otg_workaround); last_timer = jiffies; @@ -282,12 +282,12 @@ static void da8xx_musb_try_idle(struct musb *musb, unsigned long timeout) } if (time_after(last_timer, timeout) && timer_pending(&otg_workaround)) { - DBG(4, "Longer idle timer already pending, ignoring...\n"); + dev_dbg(musb->controller, "Longer idle timer already pending, ignoring...\n"); return; } last_timer = timeout; - DBG(4, "%s inactive, starting idle timer for %u ms\n", + dev_dbg(musb->controller, "%s inactive, starting idle timer for %u ms\n", otg_state_string(musb->xceiv->state), jiffies_to_msecs(timeout - jiffies)); mod_timer(&otg_workaround, timeout); @@ -314,7 +314,7 @@ static irqreturn_t da8xx_musb_interrupt(int irq, void *hci) goto eoi; musb_writel(reg_base, DA8XX_USB_INTR_SRC_CLEAR_REG, status); - DBG(4, "USB IRQ %08x\n", status); + dev_dbg(musb->controller, "USB IRQ %08x\n", status); musb->int_rx = (status & DA8XX_INTR_RX_MASK) >> DA8XX_INTR_RX_SHIFT; musb->int_tx = (status & DA8XX_INTR_TX_MASK) >> DA8XX_INTR_TX_SHIFT; @@ -366,7 +366,7 @@ static irqreturn_t da8xx_musb_interrupt(int irq, void *hci) portstate(musb->port1_status &= ~USB_PORT_STAT_POWER); } - DBG(2, "VBUS %s (%s)%s, devctl %02x\n", + dev_dbg(musb->controller, "VBUS %s (%s)%s, devctl %02x\n", drvvbus ? "on" : "off", otg_state_string(musb->xceiv->state), err ? " ERROR" : "", @@ -413,7 +413,7 @@ static int da8xx_musb_set_mode(struct musb *musb, u8 musb_mode) break; #endif default: - DBG(2, "Trying to set unsupported mode %u\n", musb_mode); + dev_dbg(musb->controller, "Trying to set unsupported mode %u\n", musb_mode); } __raw_writel(cfgchip2, CFGCHIP2); diff --git a/drivers/usb/musb/davinci.c b/drivers/usb/musb/davinci.c index 3661b81..2a2adf6 100644 --- a/drivers/usb/musb/davinci.c +++ b/drivers/usb/musb/davinci.c @@ -220,7 +220,7 @@ static void otg_timer(unsigned long _musb) * status change events (from the transceiver) otherwise. */ devctl = musb_readb(mregs, MUSB_DEVCTL); - DBG(7, "poll devctl %02x (%s)\n", devctl, + dev_dbg(musb->controller, "poll devctl %02x (%s)\n", devctl, otg_state_string(musb->xceiv->state)); spin_lock_irqsave(&musb->lock, flags); @@ -298,7 +298,7 @@ static irqreturn_t davinci_musb_interrupt(int irq, void *__hci) /* ack and handle non-CPPI interrupts */ tmp = musb_readl(tibase, DAVINCI_USB_INT_SRC_MASKED_REG); musb_writel(tibase, DAVINCI_USB_INT_SRC_CLR_REG, tmp); - DBG(4, "IRQ %08x\n", tmp); + dev_dbg(musb->controller, "IRQ %08x\n", tmp); musb->int_rx = (tmp & DAVINCI_USB_RXINT_MASK) >> DAVINCI_USB_RXINT_SHIFT; @@ -355,7 +355,7 @@ static irqreturn_t davinci_musb_interrupt(int irq, void *__hci) * (OTG_TIME_A_WAIT_VRISE) but we don't check for that. */ davinci_musb_source_power(musb, drvvbus, 0); - DBG(2, "VBUS %s (%s)%s, devctl %02x\n", + dev_dbg(musb->controller, "VBUS %s (%s)%s, devctl %02x\n", drvvbus ? "on" : "off", otg_state_string(musb->xceiv->state), err ? " ERROR" : "", @@ -485,7 +485,7 @@ static int davinci_musb_exit(struct musb *musb) break; if ((devctl & MUSB_DEVCTL_VBUS) != warn) { warn = devctl & MUSB_DEVCTL_VBUS; - DBG(1, "VBUS %d\n", + dev_dbg(musb->controller, "VBUS %d\n", warn >> MUSB_DEVCTL_VBUS_SHIFT); } msleep(1000); @@ -494,7 +494,7 @@ static int davinci_musb_exit(struct musb *musb) /* in OTG mode, another host might be connected */ if (devctl & MUSB_DEVCTL_VBUS) - DBG(1, "VBUS off timeout (devctl %02x)\n", devctl); + dev_dbg(musb->controller, "VBUS off timeout (devctl %02x)\n", devctl); } phy_off(); diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index 9a28087..92aeec1 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -104,10 +104,6 @@ #define TA_WAIT_BCON(m) max_t(int, (m)->a_wait_bcon, OTG_TIME_A_WAIT_BCON) -unsigned musb_debug; -module_param_named(debug, musb_debug, uint, S_IRUGO | S_IWUSR); -MODULE_PARM_DESC(debug, "Debug message level. Default = 0"); - #define DRIVER_AUTHOR "Mentor Graphics, Texas Instruments, Nokia" #define DRIVER_DESC "Inventra Dual-Role USB Controller Driver" @@ -157,10 +153,8 @@ static int musb_ulpi_read(struct otg_transceiver *otg, u32 offset) while (!(musb_readb(addr, MUSB_ULPI_REG_CONTROL) & MUSB_ULPI_REG_CMPLT)) { i++; - if (i == 10000) { - DBG(3, "ULPI read timed out\n"); + if (i == 10000) return -ETIMEDOUT; - } } r = musb_readb(addr, MUSB_ULPI_REG_CONTROL); @@ -190,10 +184,8 @@ static int musb_ulpi_write(struct otg_transceiver *otg, while (!(musb_readb(addr, MUSB_ULPI_REG_CONTROL) & MUSB_ULPI_REG_CMPLT)) { i++; - if (i == 10000) { - DBG(3, "ULPI write timed out\n"); + if (i == 10000) return -ETIMEDOUT; - } } r = musb_readb(addr, MUSB_ULPI_REG_CONTROL); @@ -221,11 +213,12 @@ static struct otg_io_access_ops musb_ulpi_access = { */ void musb_write_fifo(struct musb_hw_ep *hw_ep, u16 len, const u8 *src) { + struct musb *musb = hw_ep->musb; void __iomem *fifo = hw_ep->fifo; prefetch((u8 *)src); - DBG(4, "%cX ep%d fifo %p count %d buf %p\n", + dev_dbg(musb->controller, "%cX ep%d fifo %p count %d buf %p\n", 'T', hw_ep->epnum, fifo, len, src); /* we can't assume unaligned reads work */ @@ -262,9 +255,10 @@ void musb_write_fifo(struct musb_hw_ep *hw_ep, u16 len, const u8 *src) */ void musb_read_fifo(struct musb_hw_ep *hw_ep, u16 len, u8 *dst) { + struct musb *musb = hw_ep->musb; void __iomem *fifo = hw_ep->fifo; - DBG(4, "%cX ep%d fifo %p count %d buf %p\n", + dev_dbg(musb->controller, "%cX ep%d fifo %p count %d buf %p\n", 'R', hw_ep->epnum, fifo, len, dst); /* we can't assume unaligned writes work */ @@ -346,20 +340,20 @@ void musb_otg_timer_func(unsigned long data) spin_lock_irqsave(&musb->lock, flags); switch (musb->xceiv->state) { case OTG_STATE_B_WAIT_ACON: - DBG(1, "HNP: b_wait_acon timeout; back to b_peripheral\n"); + dev_dbg(musb->controller, "HNP: b_wait_acon timeout; back to b_peripheral\n"); musb_g_disconnect(musb); musb->xceiv->state = OTG_STATE_B_PERIPHERAL; musb->is_active = 0; break; case OTG_STATE_A_SUSPEND: case OTG_STATE_A_WAIT_BCON: - DBG(1, "HNP: %s timeout\n", + dev_dbg(musb->controller, "HNP: %s timeout\n", otg_state_string(musb->xceiv->state)); musb_platform_set_vbus(musb, 0); musb->xceiv->state = OTG_STATE_A_WAIT_VFALL; break; default: - DBG(1, "HNP: Unhandled mode %s\n", + dev_dbg(musb->controller, "HNP: Unhandled mode %s\n", otg_state_string(musb->xceiv->state)); } musb->ignore_disconnect = 0; @@ -375,16 +369,16 @@ void musb_hnp_stop(struct musb *musb) void __iomem *mbase = musb->mregs; u8 reg; - DBG(1, "HNP: stop from %s\n", otg_state_string(musb->xceiv->state)); + dev_dbg(musb->controller, "HNP: stop from %s\n", otg_state_string(musb->xceiv->state)); switch (musb->xceiv->state) { case OTG_STATE_A_PERIPHERAL: musb_g_disconnect(musb); - DBG(1, "HNP: back to %s\n", + dev_dbg(musb->controller, "HNP: back to %s\n", otg_state_string(musb->xceiv->state)); break; case OTG_STATE_B_HOST: - DBG(1, "HNP: Disabling HR\n"); + dev_dbg(musb->controller, "HNP: Disabling HR\n"); hcd->self.is_b_host = 0; musb->xceiv->state = OTG_STATE_B_PERIPHERAL; MUSB_DEV_MODE(musb); @@ -394,7 +388,7 @@ void musb_hnp_stop(struct musb *musb) /* REVISIT: Start SESSION_REQUEST here? */ break; default: - DBG(1, "HNP: Stopping in unknown state %s\n", + dev_dbg(musb->controller, "HNP: Stopping in unknown state %s\n", otg_state_string(musb->xceiv->state)); } @@ -425,7 +419,7 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb, { irqreturn_t handled = IRQ_NONE; - DBG(3, "<== Power=%02x, DevCtl=%02x, int_usb=0x%x\n", power, devctl, + dev_dbg(musb->controller, "<== Power=%02x, DevCtl=%02x, int_usb=0x%x\n", power, devctl, int_usb); /* in host mode, the peripheral may issue remote wakeup. @@ -434,7 +428,7 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb, */ if (int_usb & MUSB_INTR_RESUME) { handled = IRQ_HANDLED; - DBG(3, "RESUME (%s)\n", otg_state_string(musb->xceiv->state)); + dev_dbg(musb->controller, "RESUME (%s)\n", otg_state_string(musb->xceiv->state)); if (devctl & MUSB_DEVCTL_HM) { #ifdef CONFIG_USB_MUSB_HDRC_HCD @@ -449,7 +443,7 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb, if (power & MUSB_POWER_SUSPENDM) { /* spurious */ musb->int_usb &= ~MUSB_INTR_SUSPEND; - DBG(2, "Spurious SUSPENDM\n"); + dev_dbg(musb->controller, "Spurious SUSPENDM\n"); break; } @@ -521,11 +515,11 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb, if ((devctl & MUSB_DEVCTL_VBUS) == MUSB_DEVCTL_VBUS && (devctl & MUSB_DEVCTL_BDEVICE)) { - DBG(3, "SessReq while on B state\n"); + dev_dbg(musb->controller, "SessReq while on B state\n"); return IRQ_HANDLED; } - DBG(1, "SESSION_REQUEST (%s)\n", + dev_dbg(musb->controller, "SESSION_REQUEST (%s)\n", otg_state_string(musb->xceiv->state)); /* IRQ arrives from ID pin sense or (later, if VBUS power @@ -590,7 +584,7 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb, break; } - DBG(1, "VBUS_ERROR in %s (%02x, %s), retry #%d, port1 %08x\n", + dev_dbg(musb->controller, "VBUS_ERROR in %s (%02x, %s), retry #%d, port1 %08x\n", otg_state_string(musb->xceiv->state), devctl, ({ char *s; @@ -616,7 +610,7 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb, #endif if (int_usb & MUSB_INTR_SUSPEND) { - DBG(1, "SUSPEND (%s) devctl %02x power %02x\n", + dev_dbg(musb->controller, "SUSPEND (%s) devctl %02x power %02x\n", otg_state_string(musb->xceiv->state), devctl, power); handled = IRQ_HANDLED; @@ -649,7 +643,7 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb, if (musb->is_active) { #ifdef CONFIG_USB_MUSB_OTG musb->xceiv->state = OTG_STATE_B_WAIT_ACON; - DBG(1, "HNP: Setting timer for b_ase0_brst\n"); + dev_dbg(musb->controller, "HNP: Setting timer for b_ase0_brst\n"); mod_timer(&musb->otg_timer, jiffies + msecs_to_jiffies( OTG_TIME_B_ASE0_BRST)); @@ -668,7 +662,7 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb, break; case OTG_STATE_B_HOST: /* Transition to B_PERIPHERAL, see 6.8.2.6 p 44 */ - DBG(1, "REVISIT: SUSPEND as B_HOST\n"); + dev_dbg(musb->controller, "REVISIT: SUSPEND as B_HOST\n"); break; default: /* "should not happen" */ @@ -711,14 +705,14 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb, switch (musb->xceiv->state) { case OTG_STATE_B_PERIPHERAL: if (int_usb & MUSB_INTR_SUSPEND) { - DBG(1, "HNP: SUSPEND+CONNECT, now b_host\n"); + dev_dbg(musb->controller, "HNP: SUSPEND+CONNECT, now b_host\n"); int_usb &= ~MUSB_INTR_SUSPEND; goto b_host; } else - DBG(1, "CONNECT as b_peripheral???\n"); + dev_dbg(musb->controller, "CONNECT as b_peripheral???\n"); break; case OTG_STATE_B_WAIT_ACON: - DBG(1, "HNP: CONNECT, now b_host\n"); + dev_dbg(musb->controller, "HNP: CONNECT, now b_host\n"); b_host: musb->xceiv->state = OTG_STATE_B_HOST; hcd->self.is_b_host = 1; @@ -741,13 +735,13 @@ b_host: else usb_hcd_resume_root_hub(hcd); - DBG(1, "CONNECT (%s) devctl %02x\n", + dev_dbg(musb->controller, "CONNECT (%s) devctl %02x\n", otg_state_string(musb->xceiv->state), devctl); } #endif /* CONFIG_USB_MUSB_HDRC_HCD */ if ((int_usb & MUSB_INTR_DISCONNECT) && !musb->ignore_disconnect) { - DBG(1, "DISCONNECT (%s) as %s, devctl %02x\n", + dev_dbg(musb->controller, "DISCONNECT (%s) as %s, devctl %02x\n", otg_state_string(musb->xceiv->state), MUSB_MODE(musb), devctl); handled = IRQ_HANDLED; @@ -810,13 +804,13 @@ b_host: * stop the session. */ if (devctl & (MUSB_DEVCTL_FSDEV | MUSB_DEVCTL_LSDEV)) - DBG(1, "BABBLE devctl: %02x\n", devctl); + dev_dbg(musb->controller, "BABBLE devctl: %02x\n", devctl); else { ERR("Stopping host session -- babble\n"); musb_writeb(musb->mregs, MUSB_DEVCTL, 0); } } else if (is_peripheral_capable()) { - DBG(1, "BUS RESET as %s\n", + dev_dbg(musb->controller, "BUS RESET as %s\n", otg_state_string(musb->xceiv->state)); switch (musb->xceiv->state) { #ifdef CONFIG_USB_OTG @@ -830,7 +824,7 @@ b_host: /* FALLTHROUGH */ case OTG_STATE_A_WAIT_BCON: /* OPT TD.4.7-900ms */ /* never use invalid T(a_wait_bcon) */ - DBG(1, "HNP: in %s, %d msec timeout\n", + dev_dbg(musb->controller, "HNP: in %s, %d msec timeout\n", otg_state_string(musb->xceiv->state), TA_WAIT_BCON(musb)); mod_timer(&musb->otg_timer, jiffies @@ -842,7 +836,7 @@ b_host: musb_g_reset(musb); break; case OTG_STATE_B_WAIT_ACON: - DBG(1, "HNP: RESET (%s), to b_peripheral\n", + dev_dbg(musb->controller, "HNP: RESET (%s), to b_peripheral\n", otg_state_string(musb->xceiv->state)); musb->xceiv->state = OTG_STATE_B_PERIPHERAL; musb_g_reset(musb); @@ -855,7 +849,7 @@ b_host: musb_g_reset(musb); break; default: - DBG(1, "Unhandled BUS RESET as %s\n", + dev_dbg(musb->controller, "Unhandled BUS RESET as %s\n", otg_state_string(musb->xceiv->state)); } } @@ -879,7 +873,7 @@ b_host: u8 epnum; u16 frame; - DBG(6, "START_OF_FRAME\n"); + dev_dbg(musb->controller, "START_OF_FRAME\n"); handled = IRQ_HANDLED; /* start any periodic Tx transfers waiting for current frame */ @@ -921,7 +915,7 @@ void musb_start(struct musb *musb) void __iomem *regs = musb->mregs; u8 devctl = musb_readb(regs, MUSB_DEVCTL); - DBG(2, "<== devctl %02x\n", devctl); + dev_dbg(musb->controller, "<== devctl %02x\n", devctl); /* Set INT enable registers, enable interrupts */ musb_writew(regs, MUSB_INTRTXE, musb->epmask); @@ -998,7 +992,7 @@ void musb_stop(struct musb *musb) /* stop IRQs, timers, ... */ musb_platform_disable(musb); musb_generic_disable(musb); - DBG(3, "HDRC disabled\n"); + dev_dbg(musb->controller, "HDRC disabled\n"); /* FIXME * - mark host and/or peripheral drivers unusable/inactive @@ -1344,7 +1338,7 @@ static int __init ep_config_from_hw(struct musb *musb) void *mbase = musb->mregs; int ret = 0; - DBG(2, "<== static silicon ep config\n"); + dev_dbg(musb->controller, "<== static silicon ep config\n"); /* FIXME pick up ep0 maxpacket size */ @@ -1491,7 +1485,7 @@ static int __init musb_core_init(u16 musb_type, struct musb *musb) #endif if (hw_ep->max_packet_sz_tx) { - DBG(1, + dev_dbg(musb->controller, "%s: hw_ep %d%s, %smax %d\n", musb_driver_name, i, hw_ep->is_shared_fifo ? "shared" : "tx", @@ -1500,7 +1494,7 @@ static int __init musb_core_init(u16 musb_type, struct musb *musb) hw_ep->max_packet_sz_tx); } if (hw_ep->max_packet_sz_rx && !hw_ep->is_shared_fifo) { - DBG(1, + dev_dbg(musb->controller, "%s: hw_ep %d%s, %smax %d\n", musb_driver_name, i, "rx", @@ -1509,7 +1503,7 @@ static int __init musb_core_init(u16 musb_type, struct musb *musb) hw_ep->max_packet_sz_rx); } if (!(hw_ep->max_packet_sz_tx || hw_ep->max_packet_sz_rx)) - DBG(1, "hw_ep %d not configured\n", i); + dev_dbg(musb->controller, "hw_ep %d not configured\n", i); } return 0; @@ -1562,14 +1556,14 @@ irqreturn_t musb_interrupt(struct musb *musb) devctl = musb_readb(musb->mregs, MUSB_DEVCTL); power = musb_readb(musb->mregs, MUSB_POWER); - DBG(4, "** IRQ %s usb%04x tx%04x rx%04x\n", + dev_dbg(musb->controller, "** IRQ %s usb%04x tx%04x rx%04x\n", (devctl & MUSB_DEVCTL_HM) ? "host" : "peripheral", musb->int_usb, musb->int_tx, musb->int_rx); #ifdef CONFIG_USB_GADGET_MUSB_HDRC if (is_otg_enabled(musb) || is_peripheral_enabled(musb)) if (!musb->gadget_driver) { - DBG(5, "No gadget driver loaded\n"); + dev_dbg(musb->controller, "No gadget driver loaded\n"); return IRQ_HANDLED; } #endif @@ -1634,7 +1628,7 @@ irqreturn_t musb_interrupt(struct musb *musb) return retval; } - +EXPORT_SYMBOL_GPL(musb_interrupt); #ifndef CONFIG_MUSB_PIO_ONLY static int __initdata use_dma = 1; @@ -2060,7 +2054,7 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl) status = usb_add_hcd(musb_to_hcd(musb), -1, 0); hcd->self.uses_pio_for_control = 1; - DBG(1, "%s mode, status %d, devctl %02x %c\n", + dev_dbg(musb->controller, "%s mode, status %d, devctl %02x %c\n", "HOST", status, musb_readb(musb->mregs, MUSB_DEVCTL), (musb_readb(musb->mregs, MUSB_DEVCTL) @@ -2074,7 +2068,7 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl) status = musb_gadget_setup(musb); - DBG(1, "%s mode, status %d, dev%02x\n", + dev_dbg(musb->controller, "%s mode, status %d, dev%02x\n", is_otg_enabled(musb) ? "OTG" : "PERIPHERAL", status, musb_readb(musb->mregs, MUSB_DEVCTL)); @@ -2456,8 +2450,8 @@ static int __init musb_init(void) #elif defined(CONFIG_USB_MUSB_HDRC_HCD) "host" #endif - ", debug=%d\n", - musb_driver_name, musb_debug); + , + musb_driver_name); return platform_driver_probe(&musb_driver, musb_probe); } diff --git a/drivers/usb/musb/musb_debug.h b/drivers/usb/musb/musb_debug.h index f958a49..742eada 100644 --- a/drivers/usb/musb/musb_debug.h +++ b/drivers/usb/musb/musb_debug.h @@ -42,18 +42,6 @@ #define INFO(fmt, args...) yprintk(KERN_INFO, fmt, ## args) #define ERR(fmt, args...) yprintk(KERN_ERR, fmt, ## args) -#define DBG(level, format, args...) do { \ - if (_dbg_level(level)) \ - pr_debug("%s %d: " format, __func__, __LINE__, ## args); \ - } while (0) - -extern unsigned musb_debug; - -static inline int _dbg_level(unsigned l) -{ - return musb_debug >= l; -} - #ifdef CONFIG_DEBUG_FS extern int musb_init_debugfs(struct musb *musb); extern void musb_exit_debugfs(struct musb *musb); diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c index cfbee4d..6f3cf4c 100644 --- a/drivers/usb/musb/musb_gadget.c +++ b/drivers/usb/musb/musb_gadget.c @@ -147,7 +147,8 @@ static inline void unmap_dma_buffer(struct musb_request *request, return; if (request->request.dma == DMA_ADDR_INVALID) { - DBG(20, "not unmapping a never mapped buffer\n"); + dev_vdbg(musb->controller, + "not unmapping a never mapped buffer\n"); return; } if (request->map_state == MUSB_MAPPED) { @@ -198,11 +199,11 @@ __acquires(ep->musb->lock) spin_unlock(&musb->lock); unmap_dma_buffer(req, musb); if (request->status == 0) - DBG(5, "%s done request %p, %d/%d\n", + dev_dbg(musb->controller, "%s done request %p, %d/%d\n", ep->end_point.name, request, req->request.actual, req->request.length); else - DBG(2, "%s request %p, %d/%d fault %d\n", + dev_dbg(musb->controller, "%s request %p, %d/%d fault %d\n", ep->end_point.name, request, req->request.actual, req->request.length, request->status); @@ -219,6 +220,7 @@ __acquires(ep->musb->lock) */ static void nuke(struct musb_ep *ep, const int status) { + struct musb *musb = ep->musb; struct musb_request *req = NULL; void __iomem *epio = ep->musb->endpoints[ep->current_epnum].regs; @@ -246,7 +248,8 @@ static void nuke(struct musb_ep *ep, const int status) } value = c->channel_abort(ep->dma); - DBG(value ? 1 : 6, "%s: abort DMA --> %d\n", ep->name, value); + dev_dbg(musb->controller, "%s: abort DMA --> %d\n", + ep->name, value); c->channel_release(ep->dma); ep->dma = NULL; } @@ -329,7 +332,7 @@ static void txstate(struct musb *musb, struct musb_request *req) /* we shouldn't get here while DMA is active ... but we do ... */ if (dma_channel_status(musb_ep->dma) == MUSB_DMA_STATUS_BUSY) { - DBG(4, "dma pending...\n"); + dev_dbg(musb->controller, "dma pending...\n"); return; } @@ -341,18 +344,18 @@ static void txstate(struct musb *musb, struct musb_request *req) (int)(request->length - request->actual)); if (csr & MUSB_TXCSR_TXPKTRDY) { - DBG(5, "%s old packet still ready , txcsr %03x\n", + dev_dbg(musb->controller, "%s old packet still ready , txcsr %03x\n", musb_ep->end_point.name, csr); return; } if (csr & MUSB_TXCSR_P_SENDSTALL) { - DBG(5, "%s stalling, txcsr %03x\n", + dev_dbg(musb->controller, "%s stalling, txcsr %03x\n", musb_ep->end_point.name, csr); return; } - DBG(4, "hw_ep%d, maxpacket %d, fifo count %d, txcsr %03x\n", + dev_dbg(musb->controller, "hw_ep%d, maxpacket %d, fifo count %d, txcsr %03x\n", epnum, musb_ep->packet_sz, fifo_count, csr); @@ -469,7 +472,7 @@ static void txstate(struct musb *musb, struct musb_request *req) } /* host may already have the data when this message shows... */ - DBG(3, "%s TX/IN %s len %d/%d, txcsr %04x, fifo %d/%d\n", + dev_dbg(musb->controller, "%s TX/IN %s len %d/%d, txcsr %04x, fifo %d/%d\n", musb_ep->end_point.name, use_dma ? "dma" : "pio", request->actual, request->length, musb_readw(epio, MUSB_TXCSR), @@ -496,7 +499,7 @@ void musb_g_tx(struct musb *musb, u8 epnum) request = &req->request; csr = musb_readw(epio, MUSB_TXCSR); - DBG(4, "<== %s, txcsr %04x\n", musb_ep->end_point.name, csr); + dev_dbg(musb->controller, "<== %s, txcsr %04x\n", musb_ep->end_point.name, csr); dma = is_dma_capable() ? musb_ep->dma : NULL; @@ -516,7 +519,8 @@ void musb_g_tx(struct musb *musb, u8 epnum) csr |= MUSB_TXCSR_P_WZC_BITS; csr &= ~(MUSB_TXCSR_P_UNDERRUN | MUSB_TXCSR_TXPKTRDY); musb_writew(epio, MUSB_TXCSR, csr); - DBG(20, "underrun on ep%d, req %p\n", epnum, request); + dev_vdbg(musb->controller, "underrun on ep%d, req %p\n", + epnum, request); } if (dma_channel_status(dma) == MUSB_DMA_STATUS_BUSY) { @@ -524,7 +528,7 @@ void musb_g_tx(struct musb *musb, u8 epnum) * SHOULD NOT HAPPEN... has with CPPI though, after * changing SENDSTALL (and other cases); harmless? */ - DBG(5, "%s dma still busy?\n", musb_ep->end_point.name); + dev_dbg(musb->controller, "%s dma still busy?\n", musb_ep->end_point.name); return; } @@ -540,7 +544,7 @@ void musb_g_tx(struct musb *musb, u8 epnum) /* Ensure writebuffer is empty. */ csr = musb_readw(epio, MUSB_TXCSR); request->actual += musb_ep->dma->actual_len; - DBG(4, "TXCSR%d %04x, DMA off, len %zu, req %p\n", + dev_dbg(musb->controller, "TXCSR%d %04x, DMA off, len %zu, req %p\n", epnum, csr, musb_ep->dma->actual_len, request); } @@ -564,7 +568,7 @@ void musb_g_tx(struct musb *musb, u8 epnum) if (csr & MUSB_TXCSR_TXPKTRDY) return; - DBG(4, "sending zero pkt\n"); + dev_dbg(musb->controller, "sending zero pkt\n"); musb_writew(epio, MUSB_TXCSR, MUSB_TXCSR_MODE | MUSB_TXCSR_TXPKTRDY); request->zero = 0; @@ -574,7 +578,7 @@ void musb_g_tx(struct musb *musb, u8 epnum) musb_g_giveback(musb_ep, request, 0); req = musb_ep->desc ? next_request(musb_ep) : NULL; if (!req) { - DBG(4, "%s idle now\n", + dev_dbg(musb->controller, "%s idle now\n", musb_ep->end_point.name); return; } @@ -640,12 +644,12 @@ static void rxstate(struct musb *musb, struct musb_request *req) /* We shouldn't get here while DMA is active, but we do... */ if (dma_channel_status(musb_ep->dma) == MUSB_DMA_STATUS_BUSY) { - DBG(4, "DMA pending...\n"); + dev_dbg(musb->controller, "DMA pending...\n"); return; } if (csr & MUSB_RXCSR_P_SENDSTALL) { - DBG(5, "%s stalling, RXCSR %04x\n", + dev_dbg(musb->controller, "%s stalling, RXCSR %04x\n", musb_ep->end_point.name, csr); return; } @@ -757,7 +761,7 @@ static void rxstate(struct musb *musb, struct musb_request *req) #endif /* Mentor's DMA */ fifo_count = request->length - request->actual; - DBG(3, "%s OUT/RX pio fifo %d/%d, maxpacket %d\n", + dev_dbg(musb->controller, "%s OUT/RX pio fifo %d/%d, maxpacket %d\n", musb_ep->end_point.name, len, fifo_count, musb_ep->packet_sz); @@ -846,7 +850,7 @@ void musb_g_rx(struct musb *musb, u8 epnum) csr = musb_readw(epio, MUSB_RXCSR); dma = is_dma_capable() ? musb_ep->dma : NULL; - DBG(4, "<== %s, rxcsr %04x%s %p\n", musb_ep->end_point.name, + dev_dbg(musb->controller, "<== %s, rxcsr %04x%s %p\n", musb_ep->end_point.name, csr, dma ? " (dma)" : "", request); if (csr & MUSB_RXCSR_P_SENTSTALL) { @@ -861,19 +865,18 @@ void musb_g_rx(struct musb *musb, u8 epnum) csr &= ~MUSB_RXCSR_P_OVERRUN; musb_writew(epio, MUSB_RXCSR, csr); - DBG(3, "%s iso overrun on %p\n", musb_ep->name, request); + dev_dbg(musb->controller, "%s iso overrun on %p\n", musb_ep->name, request); if (request->status == -EINPROGRESS) request->status = -EOVERFLOW; } if (csr & MUSB_RXCSR_INCOMPRX) { /* REVISIT not necessarily an error */ - DBG(4, "%s, incomprx\n", musb_ep->end_point.name); + dev_dbg(musb->controller, "%s, incomprx\n", musb_ep->end_point.name); } if (dma_channel_status(dma) == MUSB_DMA_STATUS_BUSY) { /* "should not happen"; likely RXPKTRDY pending for DMA */ - DBG((csr & MUSB_RXCSR_DMAENAB) ? 4 : 1, - "%s busy, csr %04x\n", + dev_dbg(musb->controller, "%s busy, csr %04x\n", musb_ep->end_point.name, csr); return; } @@ -887,7 +890,7 @@ void musb_g_rx(struct musb *musb, u8 epnum) request->actual += musb_ep->dma->actual_len; - DBG(4, "RXCSR%d %04x, dma off, %04x, len %zu, req %p\n", + dev_dbg(musb->controller, "RXCSR%d %04x, dma off, %04x, len %zu, req %p\n", epnum, csr, musb_readw(epio, MUSB_RXCSR), musb_ep->dma->actual_len, request); @@ -978,7 +981,7 @@ static int musb_gadget_enable(struct usb_ep *ep, ok = musb->hb_iso_rx; if (!ok) { - DBG(4, "no support for high bandwidth ISO\n"); + dev_dbg(musb->controller, "no support for high bandwidth ISO\n"); goto fail; } musb_ep->hb_mult = (tmp >> 11) & 3; @@ -1002,7 +1005,7 @@ static int musb_gadget_enable(struct usb_ep *ep, goto fail; if (tmp > hw_ep->max_packet_sz_tx) { - DBG(4, "packet size beyond hardware FIFO size\n"); + dev_dbg(musb->controller, "packet size beyond hardware FIFO size\n"); goto fail; } @@ -1042,7 +1045,7 @@ static int musb_gadget_enable(struct usb_ep *ep, goto fail; if (tmp > hw_ep->max_packet_sz_rx) { - DBG(4, "packet size beyond hardware FIFO size\n"); + dev_dbg(musb->controller, "packet size beyond hardware FIFO size\n"); goto fail; } @@ -1155,7 +1158,7 @@ static int musb_gadget_disable(struct usb_ep *ep) spin_unlock_irqrestore(&(musb->lock), flags); - DBG(2, "%s\n", musb_ep->end_point.name); + dev_dbg(musb->controller, "%s\n", musb_ep->end_point.name); return status; } @@ -1167,11 +1170,12 @@ static int musb_gadget_disable(struct usb_ep *ep) struct usb_request *musb_alloc_request(struct usb_ep *ep, gfp_t gfp_flags) { struct musb_ep *musb_ep = to_musb_ep(ep); + struct musb *musb = musb_ep->musb; struct musb_request *request = NULL; request = kzalloc(sizeof *request, gfp_flags); if (!request) { - DBG(4, "not enough memory\n"); + dev_dbg(musb->controller, "not enough memory\n"); return NULL; } @@ -1205,7 +1209,7 @@ struct free_record { */ void musb_ep_restart(struct musb *musb, struct musb_request *req) { - DBG(3, "<== %s request %p len %u on hw_ep%d\n", + dev_dbg(musb->controller, "<== %s request %p len %u on hw_ep%d\n", req->tx ? "TX/IN" : "RX/OUT", &req->request, req->request.length, req->epnum); @@ -1239,7 +1243,7 @@ static int musb_gadget_queue(struct usb_ep *ep, struct usb_request *req, if (request->ep != musb_ep) return -EINVAL; - DBG(4, "<== to %s request=%p\n", ep->name, req); + dev_dbg(musb->controller, "<== to %s request=%p\n", ep->name, req); /* request is mine now... */ request->request.actual = 0; @@ -1253,7 +1257,7 @@ static int musb_gadget_queue(struct usb_ep *ep, struct usb_request *req, /* don't queue if the ep is down */ if (!musb_ep->desc) { - DBG(4, "req %p queued to %s while ep %s\n", + dev_dbg(musb->controller, "req %p queued to %s while ep %s\n", req, ep->name, "disabled"); status = -ESHUTDOWN; goto cleanup; @@ -1290,7 +1294,7 @@ static int musb_gadget_dequeue(struct usb_ep *ep, struct usb_request *request) break; } if (r != req) { - DBG(3, "request %p not queued to %s\n", request, ep->name); + dev_dbg(musb->controller, "request %p not queued to %s\n", request, ep->name); status = -EINVAL; goto done; } @@ -1356,7 +1360,7 @@ static int musb_gadget_set_halt(struct usb_ep *ep, int value) request = next_request(musb_ep); if (value) { if (request) { - DBG(3, "request in progress, cannot halt %s\n", + dev_dbg(musb->controller, "request in progress, cannot halt %s\n", ep->name); status = -EAGAIN; goto done; @@ -1365,7 +1369,7 @@ static int musb_gadget_set_halt(struct usb_ep *ep, int value) if (musb_ep->is_in) { csr = musb_readw(epio, MUSB_TXCSR); if (csr & MUSB_TXCSR_FIFONOTEMPTY) { - DBG(3, "FIFO busy, cannot halt %s\n", ep->name); + dev_dbg(musb->controller, "FIFO busy, cannot halt %s\n", ep->name); status = -EAGAIN; goto done; } @@ -1374,7 +1378,7 @@ static int musb_gadget_set_halt(struct usb_ep *ep, int value) musb_ep->wedged = 0; /* set/clear the stall and toggle bits */ - DBG(2, "%s: %s stall\n", ep->name, value ? "set" : "clear"); + dev_dbg(musb->controller, "%s: %s stall\n", ep->name, value ? "set" : "clear"); if (musb_ep->is_in) { csr = musb_readw(epio, MUSB_TXCSR); csr |= MUSB_TXCSR_P_WZC_BITS @@ -1401,7 +1405,7 @@ static int musb_gadget_set_halt(struct usb_ep *ep, int value) /* maybe start the first request in the queue */ if (!musb_ep->busy && !value && request) { - DBG(3, "restarting the request\n"); + dev_dbg(musb->controller, "restarting the request\n"); musb_ep_restart(musb, request); } @@ -1532,7 +1536,7 @@ static int musb_gadget_wakeup(struct usb_gadget *gadget) case OTG_STATE_B_IDLE: /* Start SRP ... OTG not required. */ devctl = musb_readb(mregs, MUSB_DEVCTL); - DBG(2, "Sending SRP: devctl: %02x\n", devctl); + dev_dbg(musb->controller, "Sending SRP: devctl: %02x\n", devctl); devctl |= MUSB_DEVCTL_SESSION; musb_writeb(mregs, MUSB_DEVCTL, devctl); devctl = musb_readb(mregs, MUSB_DEVCTL); @@ -1549,6 +1553,10 @@ static int musb_gadget_wakeup(struct usb_gadget *gadget) break; } + spin_unlock_irqrestore(&musb->lock, flags); + otg_start_srp(musb->xceiv); + spin_lock_irqsave(&musb->lock, flags); + /* Block idling for at least 1s */ musb_platform_try_idle(musb, jiffies + msecs_to_jiffies(1 * HZ)); @@ -1556,7 +1564,7 @@ static int musb_gadget_wakeup(struct usb_gadget *gadget) status = 0; goto done; default: - DBG(2, "Unhandled wake: %s\n", + dev_dbg(musb->controller, "Unhandled wake: %s\n", otg_state_string(musb->xceiv->state)); goto done; } @@ -1566,7 +1574,7 @@ static int musb_gadget_wakeup(struct usb_gadget *gadget) power = musb_readb(mregs, MUSB_POWER); power |= MUSB_POWER_RESUME; musb_writeb(mregs, MUSB_POWER, power); - DBG(2, "issue wakeup\n"); + dev_dbg(musb->controller, "issue wakeup\n"); /* FIXME do this next chunk in a timer callback, no udelay */ mdelay(2); @@ -1600,7 +1608,7 @@ static void musb_pullup(struct musb *musb, int is_on) /* FIXME if on, HdrcStart; if off, HdrcStop */ - DBG(3, "gadget %s D+ pullup %s\n", + dev_dbg(musb->controller, "gadget %s D+ pullup %s\n", musb->gadget_driver->function, is_on ? "on" : "off"); musb_writeb(musb->mregs, MUSB_POWER, power); } @@ -1608,7 +1616,7 @@ static void musb_pullup(struct musb *musb, int is_on) #if 0 static int musb_gadget_vbus_session(struct usb_gadget *gadget, int is_active) { - DBG(2, "<= %s =>\n", __func__); + dev_dbg(musb->controller, "<= %s =>\n", __func__); /* * FIXME iff driver's softconnect flag is set (as it is during probe, @@ -1817,17 +1825,17 @@ int usb_gadget_probe_driver(struct usb_gadget_driver *driver, /* driver must be initialized to support peripheral mode */ if (!musb) { - DBG(1, "no dev??\n"); + dev_dbg(musb->controller, "no dev??\n"); retval = -ENODEV; goto err0; } pm_runtime_get_sync(musb->controller); - DBG(3, "registering driver %s\n", driver->function); + dev_dbg(musb->controller, "registering driver %s\n", driver->function); if (musb->gadget_driver) { - DBG(1, "%s is already bound to %s\n", + dev_dbg(musb->controller, "%s is already bound to %s\n", musb_driver_name, musb->gadget_driver->driver.name); retval = -EBUSY; @@ -1843,7 +1851,7 @@ int usb_gadget_probe_driver(struct usb_gadget_driver *driver, retval = bind(&musb->g); if (retval) { - DBG(3, "bind to driver %s failed --> %d\n", + dev_dbg(musb->controller, "bind to driver %s failed --> %d\n", driver->driver.name, retval); goto err1; } @@ -1871,7 +1879,7 @@ int usb_gadget_probe_driver(struct usb_gadget_driver *driver, if (is_otg_enabled(musb)) { struct usb_hcd *hcd = musb_to_hcd(musb); - DBG(3, "OTG startup...\n"); + dev_dbg(musb->controller, "OTG startup...\n"); /* REVISIT: funcall to other code, which also * handles power budgeting ... this way also @@ -1879,7 +1887,7 @@ int usb_gadget_probe_driver(struct usb_gadget_driver *driver, */ retval = usb_add_hcd(musb_to_hcd(musb), -1, 0); if (retval < 0) { - DBG(1, "add_hcd failed, %d\n", retval); + dev_dbg(musb->controller, "add_hcd failed, %d\n", retval); goto err2; } @@ -1986,7 +1994,7 @@ int usb_gadget_unregister_driver(struct usb_gadget_driver *driver) stop_activity(musb, driver); otg_set_peripheral(musb->xceiv, NULL); - DBG(3, "unregistering driver %s\n", driver->function); + dev_dbg(musb->controller, "unregistering driver %s\n", driver->function); spin_unlock_irqrestore(&musb->lock, flags); driver->unbind(&musb->g); @@ -2048,7 +2056,7 @@ void musb_g_suspend(struct musb *musb) u8 devctl; devctl = musb_readb(musb->mregs, MUSB_DEVCTL); - DBG(3, "devctl %02x\n", devctl); + dev_dbg(musb->controller, "devctl %02x\n", devctl); switch (musb->xceiv->state) { case OTG_STATE_B_IDLE: @@ -2084,7 +2092,7 @@ void musb_g_disconnect(struct musb *musb) void __iomem *mregs = musb->mregs; u8 devctl = musb_readb(mregs, MUSB_DEVCTL); - DBG(3, "devctl %02x\n", devctl); + dev_dbg(musb->controller, "devctl %02x\n", devctl); /* clear HR */ musb_writeb(mregs, MUSB_DEVCTL, devctl & MUSB_DEVCTL_SESSION); @@ -2102,7 +2110,7 @@ void musb_g_disconnect(struct musb *musb) switch (musb->xceiv->state) { default: #ifdef CONFIG_USB_MUSB_OTG - DBG(2, "Unhandled disconnect %s, setting a_idle\n", + dev_dbg(musb->controller, "Unhandled disconnect %s, setting a_idle\n", otg_state_string(musb->xceiv->state)); musb->xceiv->state = OTG_STATE_A_IDLE; MUSB_HST_MODE(musb); @@ -2133,7 +2141,7 @@ __acquires(musb->lock) u8 devctl = musb_readb(mbase, MUSB_DEVCTL); u8 power; - DBG(3, "<== %s addr=%x driver '%s'\n", + dev_dbg(musb->controller, "<== %s addr=%x driver '%s'\n", (devctl & MUSB_DEVCTL_BDEVICE) ? "B-Device" : "A-Device", musb_readb(mbase, MUSB_FADDR), diff --git a/drivers/usb/musb/musb_gadget_ep0.c b/drivers/usb/musb/musb_gadget_ep0.c index 75a542e..b2faff2 100644 --- a/drivers/usb/musb/musb_gadget_ep0.c +++ b/drivers/usb/musb/musb_gadget_ep0.c @@ -209,7 +209,7 @@ static inline void musb_try_b_hnp_enable(struct musb *musb) void __iomem *mbase = musb->mregs; u8 devctl; - DBG(1, "HNP: Setting HR\n"); + dev_dbg(musb->controller, "HNP: Setting HR\n"); devctl = musb_readb(mbase, MUSB_DEVCTL); musb_writeb(mbase, MUSB_DEVCTL, devctl | MUSB_DEVCTL_HR); } @@ -306,7 +306,7 @@ __acquires(musb->lock) /* Maybe start the first request in the queue */ request = next_request(musb_ep); if (!musb_ep->busy && request) { - DBG(3, "restarting the request\n"); + dev_dbg(musb->controller, "restarting the request\n"); musb_ep_restart(musb, request); } @@ -553,7 +553,7 @@ static void ep0_txstate(struct musb *musb) if (!req) { /* WARN_ON(1); */ - DBG(2, "odd; csr0 %04x\n", musb_readw(regs, MUSB_CSR0)); + dev_dbg(musb->controller, "odd; csr0 %04x\n", musb_readw(regs, MUSB_CSR0)); return; } @@ -610,7 +610,7 @@ musb_read_setup(struct musb *musb, struct usb_ctrlrequest *req) /* NOTE: earlier 2.6 versions changed setup packets to host * order, but now USB packets always stay in USB byte order. */ - DBG(3, "SETUP req%02x.%02x v%04x i%04x l%d\n", + dev_dbg(musb->controller, "SETUP req%02x.%02x v%04x i%04x l%d\n", req->bRequestType, req->bRequest, le16_to_cpu(req->wValue), @@ -678,7 +678,7 @@ irqreturn_t musb_g_ep0_irq(struct musb *musb) csr = musb_readw(regs, MUSB_CSR0); len = musb_readb(regs, MUSB_COUNT0); - DBG(4, "csr %04x, count %d, myaddr %d, ep0stage %s\n", + dev_dbg(musb->controller, "csr %04x, count %d, myaddr %d, ep0stage %s\n", csr, len, musb_readb(mbase, MUSB_FADDR), decode_ep0stage(musb->ep0_state)); @@ -749,7 +749,7 @@ irqreturn_t musb_g_ep0_irq(struct musb *musb) /* enter test mode if needed (exit by reset) */ else if (musb->test_mode) { - DBG(1, "entering TESTMODE\n"); + dev_dbg(musb->controller, "entering TESTMODE\n"); if (MUSB_TEST_PACKET == musb->test_mode_nr) musb_load_testpacket(musb); @@ -861,7 +861,7 @@ setup: break; } - DBG(3, "handled %d, csr %04x, ep0stage %s\n", + dev_dbg(musb->controller, "handled %d, csr %04x, ep0stage %s\n", handled, csr, decode_ep0stage(musb->ep0_state)); @@ -878,7 +878,7 @@ setup: if (handled < 0) { musb_ep_select(mbase, 0); stall: - DBG(3, "stall (%d)\n", handled); + dev_dbg(musb->controller, "stall (%d)\n", handled); musb->ackpend |= MUSB_CSR0_P_SENDSTALL; musb->ep0_state = MUSB_EP0_STAGE_IDLE; finish: @@ -958,7 +958,7 @@ musb_g_ep0_queue(struct usb_ep *e, struct usb_request *r, gfp_t gfp_flags) status = 0; break; default: - DBG(1, "ep0 request queued in state %d\n", + dev_dbg(musb->controller, "ep0 request queued in state %d\n", musb->ep0_state); status = -EINVAL; goto cleanup; @@ -967,7 +967,7 @@ musb_g_ep0_queue(struct usb_ep *e, struct usb_request *r, gfp_t gfp_flags) /* add request to the list */ list_add_tail(&req->list, &ep->req_list); - DBG(3, "queue to %s (%s), length=%d\n", + dev_dbg(musb->controller, "queue to %s (%s), length=%d\n", ep->name, ep->is_in ? "IN/TX" : "OUT/RX", req->request.length); @@ -1060,7 +1060,7 @@ static int musb_g_ep0_halt(struct usb_ep *e, int value) musb->ackpend = 0; break; default: - DBG(1, "ep0 can't halt in state %d\n", musb->ep0_state); + dev_dbg(musb->controller, "ep0 can't halt in state %d\n", musb->ep0_state); status = -EINVAL; } diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c index 07b106c..7295e31 100644 --- a/drivers/usb/musb/musb_host.c +++ b/drivers/usb/musb/musb_host.c @@ -106,6 +106,7 @@ static void musb_ep_program(struct musb *musb, u8 epnum, */ static void musb_h_tx_flush_fifo(struct musb_hw_ep *ep) { + struct musb *musb = ep->musb; void __iomem *epio = ep->regs; u16 csr; u16 lastcsr = 0; @@ -114,7 +115,7 @@ static void musb_h_tx_flush_fifo(struct musb_hw_ep *ep) csr = musb_readw(epio, MUSB_TXCSR); while (csr & MUSB_TXCSR_FIFONOTEMPTY) { if (csr != lastcsr) - DBG(3, "Host TX FIFONOTEMPTY csr: %02x\n", csr); + dev_dbg(musb->controller, "Host TX FIFONOTEMPTY csr: %02x\n", csr); lastcsr = csr; csr |= MUSB_TXCSR_FLUSHFIFO; musb_writew(epio, MUSB_TXCSR, csr); @@ -240,7 +241,7 @@ musb_start_urb(struct musb *musb, int is_in, struct musb_qh *qh) len = urb->transfer_buffer_length - urb->actual_length; } - DBG(4, "qh %p urb %p dev%d ep%d%s%s, hw_ep %d, %p/%d\n", + dev_dbg(musb->controller, "qh %p urb %p dev%d ep%d%s%s, hw_ep %d, %p/%d\n", qh, urb, address, qh->epnum, is_in ? "in" : "out", ({char *s; switch (qh->type) { @@ -263,7 +264,7 @@ musb_start_urb(struct musb *musb, int is_in, struct musb_qh *qh) switch (qh->type) { case USB_ENDPOINT_XFER_ISOC: case USB_ENDPOINT_XFER_INT: - DBG(3, "check whether there's still time for periodic Tx\n"); + dev_dbg(musb->controller, "check whether there's still time for periodic Tx\n"); frame = musb_readw(mbase, MUSB_FRAME); /* FIXME this doesn't implement that scheduling policy ... * or handle framecounter wrapping @@ -278,7 +279,7 @@ musb_start_urb(struct musb *musb, int is_in, struct musb_qh *qh) } else { qh->frame = urb->start_frame; /* enable SOF interrupt so we can count down */ - DBG(1, "SOF for %d\n", epnum); + dev_dbg(musb->controller, "SOF for %d\n", epnum); #if 1 /* ifndef CONFIG_ARCH_DAVINCI */ musb_writeb(mbase, MUSB_INTRUSBE, 0xff); #endif @@ -286,7 +287,7 @@ musb_start_urb(struct musb *musb, int is_in, struct musb_qh *qh) break; default: start: - DBG(4, "Start TX%d %s\n", epnum, + dev_dbg(musb->controller, "Start TX%d %s\n", epnum, hw_ep->tx_channel ? "dma" : "pio"); if (!hw_ep->tx_channel) @@ -301,21 +302,7 @@ static void musb_giveback(struct musb *musb, struct urb *urb, int status) __releases(musb->lock) __acquires(musb->lock) { - DBG(({ int level; switch (status) { - case 0: - level = 4; - break; - /* common/boring faults */ - case -EREMOTEIO: - case -ESHUTDOWN: - case -ECONNRESET: - case -EPIPE: - level = 3; - break; - default: - level = 2; - break; - }; level; }), + dev_dbg(musb->controller, "complete %p %pF (%d), dev%d ep%d%s, %d/%d\n", urb, urb->complete, status, usb_pipedevice(urb->pipe), @@ -426,7 +413,7 @@ static void musb_advance_schedule(struct musb *musb, struct urb *urb, } if (qh != NULL && qh->is_ready) { - DBG(4, "... next ep%d %cX urb %p\n", + dev_dbg(musb->controller, "... next ep%d %cX urb %p\n", hw_ep->epnum, is_in ? 'R' : 'T', next_urb(qh)); musb_start_urb(musb, is_in, qh); } @@ -471,7 +458,7 @@ musb_host_packet_rx(struct musb *musb, struct urb *urb, u8 epnum, u8 iso_err) /* musb_ep_select(mbase, epnum); */ rx_count = musb_readw(epio, MUSB_RXCOUNT); - DBG(3, "RX%d count %d, buffer %p len %d/%d\n", epnum, rx_count, + dev_dbg(musb->controller, "RX%d count %d, buffer %p len %d/%d\n", epnum, rx_count, urb->transfer_buffer, qh->offset, urb->transfer_buffer_length); @@ -493,7 +480,7 @@ musb_host_packet_rx(struct musb *musb, struct urb *urb, u8 epnum, u8 iso_err) status = -EOVERFLOW; urb->error_count++; } - DBG(2, "** OVERFLOW %d into %d\n", rx_count, length); + dev_dbg(musb->controller, "** OVERFLOW %d into %d\n", rx_count, length); do_flush = 1; } else length = rx_count; @@ -511,7 +498,7 @@ musb_host_packet_rx(struct musb *musb, struct urb *urb, u8 epnum, u8 iso_err) if (rx_count > length) { if (urb->status == -EINPROGRESS) urb->status = -EOVERFLOW; - DBG(2, "** OVERFLOW %d into %d\n", rx_count, length); + dev_dbg(musb->controller, "** OVERFLOW %d into %d\n", rx_count, length); do_flush = 1; } else length = rx_count; @@ -697,7 +684,7 @@ static void musb_ep_program(struct musb *musb, u8 epnum, struct musb_qh *qh = musb_ep_get_qh(hw_ep, !is_out); u16 packet_sz = qh->maxpacket; - DBG(3, "%s hw%d urb %p spd%d dev%d ep%d%s " + dev_dbg(musb->controller, "%s hw%d urb %p spd%d dev%d ep%d%s " "h_addr%02x h_port%02x bytes %d\n", is_out ? "-->" : "<--", epnum, urb, urb->dev->speed, @@ -850,37 +837,32 @@ static void musb_ep_program(struct musb *musb, u8 epnum, /* kick things off */ if ((is_cppi_enabled() || tusb_dma_omap()) && dma_channel) { - /* candidate for DMA */ - if (dma_channel) { - dma_channel->actual_len = 0L; - qh->segsize = len; - - /* AUTOREQ is in a DMA register */ - musb_writew(hw_ep->regs, MUSB_RXCSR, csr); - csr = musb_readw(hw_ep->regs, - MUSB_RXCSR); - - /* unless caller treats short rx transfers as - * errors, we dare not queue multiple transfers. - */ - dma_ok = dma_controller->channel_program( - dma_channel, packet_sz, - !(urb->transfer_flags - & URB_SHORT_NOT_OK), - urb->transfer_dma + offset, - qh->segsize); - if (!dma_ok) { - dma_controller->channel_release( - dma_channel); - hw_ep->rx_channel = NULL; - dma_channel = NULL; - } else - csr |= MUSB_RXCSR_DMAENAB; - } + /* Candidate for DMA */ + dma_channel->actual_len = 0L; + qh->segsize = len; + + /* AUTOREQ is in a DMA register */ + musb_writew(hw_ep->regs, MUSB_RXCSR, csr); + csr = musb_readw(hw_ep->regs, MUSB_RXCSR); + + /* + * Unless caller treats short RX transfers as + * errors, we dare not queue multiple transfers. + */ + dma_ok = dma_controller->channel_program(dma_channel, + packet_sz, !(urb->transfer_flags & + URB_SHORT_NOT_OK), + urb->transfer_dma + offset, + qh->segsize); + if (!dma_ok) { + dma_controller->channel_release(dma_channel); + hw_ep->rx_channel = dma_channel = NULL; + } else + csr |= MUSB_RXCSR_DMAENAB; } csr |= MUSB_RXCSR_H_REQPKT; - DBG(7, "RXCSR%d := %04x\n", epnum, csr); + dev_dbg(musb->controller, "RXCSR%d := %04x\n", epnum, csr); musb_writew(hw_ep->regs, MUSB_RXCSR, csr); csr = musb_readw(hw_ep->regs, MUSB_RXCSR); } @@ -923,15 +905,15 @@ static bool musb_h_ep0_continue(struct musb *musb, u16 len, struct urb *urb) request = (struct usb_ctrlrequest *) urb->setup_packet; if (!request->wLength) { - DBG(4, "start no-DATA\n"); + dev_dbg(musb->controller, "start no-DATA\n"); break; } else if (request->bRequestType & USB_DIR_IN) { - DBG(4, "start IN-DATA\n"); + dev_dbg(musb->controller, "start IN-DATA\n"); musb->ep0_stage = MUSB_EP0_IN; more = true; break; } else { - DBG(4, "start OUT-DATA\n"); + dev_dbg(musb->controller, "start OUT-DATA\n"); musb->ep0_stage = MUSB_EP0_OUT; more = true; } @@ -943,7 +925,7 @@ static bool musb_h_ep0_continue(struct musb *musb, u16 len, struct urb *urb) if (fifo_count) { fifo_dest = (u8 *) (urb->transfer_buffer + urb->actual_length); - DBG(3, "Sending %d byte%s to ep0 fifo %p\n", + dev_dbg(musb->controller, "Sending %d byte%s to ep0 fifo %p\n", fifo_count, (fifo_count == 1) ? "" : "s", fifo_dest); @@ -988,7 +970,7 @@ irqreturn_t musb_h_ep0_irq(struct musb *musb) ? musb_readb(epio, MUSB_COUNT0) : 0; - DBG(4, "<== csr0 %04x, qh %p, count %d, urb %p, stage %d\n", + dev_dbg(musb->controller, "<== csr0 %04x, qh %p, count %d, urb %p, stage %d\n", csr, qh, len, urb, musb->ep0_stage); /* if we just did status stage, we are done */ @@ -999,15 +981,15 @@ irqreturn_t musb_h_ep0_irq(struct musb *musb) /* prepare status */ if (csr & MUSB_CSR0_H_RXSTALL) { - DBG(6, "STALLING ENDPOINT\n"); + dev_dbg(musb->controller, "STALLING ENDPOINT\n"); status = -EPIPE; } else if (csr & MUSB_CSR0_H_ERROR) { - DBG(2, "no response, csr0 %04x\n", csr); + dev_dbg(musb->controller, "no response, csr0 %04x\n", csr); status = -EPROTO; } else if (csr & MUSB_CSR0_H_NAKTIMEOUT) { - DBG(2, "control NAK timeout\n"); + dev_dbg(musb->controller, "control NAK timeout\n"); /* NOTE: this code path would be a good place to PAUSE a * control transfer, if another one is queued, so that @@ -1022,7 +1004,7 @@ irqreturn_t musb_h_ep0_irq(struct musb *musb) } if (status) { - DBG(6, "aborting\n"); + dev_dbg(musb->controller, "aborting\n"); retval = IRQ_HANDLED; if (urb) urb->status = status; @@ -1072,7 +1054,7 @@ irqreturn_t musb_h_ep0_irq(struct musb *musb) /* flag status stage */ musb->ep0_stage = MUSB_EP0_STATUS; - DBG(5, "ep0 STATUS, csr %04x\n", csr); + dev_dbg(musb->controller, "ep0 STATUS, csr %04x\n", csr); } musb_writew(epio, MUSB_CSR0, csr); @@ -1126,31 +1108,31 @@ void musb_host_tx(struct musb *musb, u8 epnum) /* with CPPI, DMA sometimes triggers "extra" irqs */ if (!urb) { - DBG(4, "extra TX%d ready, csr %04x\n", epnum, tx_csr); + dev_dbg(musb->controller, "extra TX%d ready, csr %04x\n", epnum, tx_csr); return; } pipe = urb->pipe; dma = is_dma_capable() ? hw_ep->tx_channel : NULL; - DBG(4, "OUT/TX%d end, csr %04x%s\n", epnum, tx_csr, + dev_dbg(musb->controller, "OUT/TX%d end, csr %04x%s\n", epnum, tx_csr, dma ? ", dma" : ""); /* check for errors */ if (tx_csr & MUSB_TXCSR_H_RXSTALL) { /* dma was disabled, fifo flushed */ - DBG(3, "TX end %d stall\n", epnum); + dev_dbg(musb->controller, "TX end %d stall\n", epnum); /* stall; record URB status */ status = -EPIPE; } else if (tx_csr & MUSB_TXCSR_H_ERROR) { /* (NON-ISO) dma was disabled, fifo flushed */ - DBG(3, "TX 3strikes on ep=%d\n", epnum); + dev_dbg(musb->controller, "TX 3strikes on ep=%d\n", epnum); status = -ETIMEDOUT; } else if (tx_csr & MUSB_TXCSR_H_NAKTIMEOUT) { - DBG(6, "TX end=%d device not responding\n", epnum); + dev_dbg(musb->controller, "TX end=%d device not responding\n", epnum); /* NOTE: this code path would be a good place to PAUSE a * transfer, if there's some other (nonperiodic) tx urb @@ -1195,7 +1177,7 @@ void musb_host_tx(struct musb *musb, u8 epnum) /* second cppi case */ if (dma_channel_status(dma) == MUSB_DMA_STATUS_BUSY) { - DBG(4, "extra TX%d ready, csr %04x\n", epnum, tx_csr); + dev_dbg(musb->controller, "extra TX%d ready, csr %04x\n", epnum, tx_csr); return; } @@ -1254,7 +1236,7 @@ void musb_host_tx(struct musb *musb, u8 epnum) * FIFO mode too... */ if (tx_csr & (MUSB_TXCSR_FIFONOTEMPTY | MUSB_TXCSR_TXPKTRDY)) { - DBG(2, "DMA complete but packet still in FIFO, " + dev_dbg(musb->controller, "DMA complete but packet still in FIFO, " "CSR %04x\n", tx_csr); return; } @@ -1321,7 +1303,7 @@ void musb_host_tx(struct musb *musb, u8 epnum) return; } } else if (tx_csr & MUSB_TXCSR_DMAENAB) { - DBG(1, "not complete, but DMA enabled?\n"); + dev_dbg(musb->controller, "not complete, but DMA enabled?\n"); return; } @@ -1462,7 +1444,7 @@ void musb_host_rx(struct musb *musb, u8 epnum) * usbtest #11 (unlinks) triggers it regularly, sometimes * with fifo full. (Only with DMA??) */ - DBG(3, "BOGUS RX%d ready, csr %04x, count %d\n", epnum, val, + dev_dbg(musb->controller, "BOGUS RX%d ready, csr %04x, count %d\n", epnum, val, musb_readw(epio, MUSB_RXCOUNT)); musb_h_flush_rxfifo(hw_ep, MUSB_RXCSR_CLRDATATOG); return; @@ -1470,20 +1452,20 @@ void musb_host_rx(struct musb *musb, u8 epnum) pipe = urb->pipe; - DBG(5, "<== hw %d rxcsr %04x, urb actual %d (+dma %zu)\n", + dev_dbg(musb->controller, "<== hw %d rxcsr %04x, urb actual %d (+dma %zu)\n", epnum, rx_csr, urb->actual_length, dma ? dma->actual_len : 0); /* check for errors, concurrent stall & unlink is not really * handled yet! */ if (rx_csr & MUSB_RXCSR_H_RXSTALL) { - DBG(3, "RX end %d STALL\n", epnum); + dev_dbg(musb->controller, "RX end %d STALL\n", epnum); /* stall; record URB status */ status = -EPIPE; } else if (rx_csr & MUSB_RXCSR_H_ERROR) { - DBG(3, "end %d RX proto error\n", epnum); + dev_dbg(musb->controller, "end %d RX proto error\n", epnum); status = -EPROTO; musb_writeb(epio, MUSB_RXINTERVAL, 0); @@ -1491,7 +1473,7 @@ void musb_host_rx(struct musb *musb, u8 epnum) } else if (rx_csr & MUSB_RXCSR_DATAERROR) { if (USB_ENDPOINT_XFER_ISOC != qh->type) { - DBG(6, "RX end %d NAK timeout\n", epnum); + dev_dbg(musb->controller, "RX end %d NAK timeout\n", epnum); /* NOTE: NAKing is *NOT* an error, so we want to * continue. Except ... if there's a request for @@ -1514,12 +1496,12 @@ void musb_host_rx(struct musb *musb, u8 epnum) goto finish; } else { - DBG(4, "RX end %d ISO data error\n", epnum); + dev_dbg(musb->controller, "RX end %d ISO data error\n", epnum); /* packet error reported later */ iso_err = true; } } else if (rx_csr & MUSB_RXCSR_INCOMPRX) { - DBG(3, "end %d high bandwidth incomplete ISO packet RX\n", + dev_dbg(musb->controller, "end %d high bandwidth incomplete ISO packet RX\n", epnum); status = -EPROTO; } @@ -1565,7 +1547,7 @@ void musb_host_rx(struct musb *musb, u8 epnum) done = true; } - DBG(2, "RXCSR%d %04x, reqpkt, len %zu%s\n", epnum, rx_csr, + dev_dbg(musb->controller, "RXCSR%d %04x, reqpkt, len %zu%s\n", epnum, rx_csr, xfer_len, dma ? ", dma" : ""); rx_csr &= ~MUSB_RXCSR_H_REQPKT; @@ -1615,7 +1597,7 @@ void musb_host_rx(struct musb *musb, u8 epnum) MUSB_RXCSR_H_WZC_BITS | val); } - DBG(4, "ep %d dma %s, rxcsr %04x, rxcount %d\n", epnum, + dev_dbg(musb->controller, "ep %d dma %s, rxcsr %04x, rxcount %d\n", epnum, done ? "off" : "reset", musb_readw(epio, MUSB_RXCSR), musb_readw(epio, MUSB_RXCOUNT)); @@ -1648,7 +1630,7 @@ void musb_host_rx(struct musb *musb, u8 epnum) rx_count = musb_readw(epio, MUSB_RXCOUNT); - DBG(2, "RX%d count %d, buffer 0x%x len %d/%d\n", + dev_dbg(musb->controller, "RX%d count %d, buffer 0x%x len %d/%d\n", epnum, rx_count, urb->transfer_dma + urb->actual_length, @@ -1672,7 +1654,7 @@ void musb_host_rx(struct musb *musb, u8 epnum) d_status = -EOVERFLOW; urb->error_count++; } - DBG(2, "** OVERFLOW %d into %d\n",\ + dev_dbg(musb->controller, "** OVERFLOW %d into %d\n",\ rx_count, d->length); length = d->length; @@ -1760,7 +1742,7 @@ void musb_host_rx(struct musb *musb, u8 epnum) usb_hcd_unmap_urb_for_dma(musb_to_hcd(musb), urb); done = musb_host_packet_rx(musb, urb, epnum, iso_err); - DBG(6, "read %spacket\n", done ? "last " : ""); + dev_dbg(musb->controller, "read %spacket\n", done ? "last " : ""); } } @@ -1881,7 +1863,7 @@ static int musb_schedule( idle = 1; qh->mux = 0; hw_ep = musb->endpoints + best_end; - DBG(4, "qh %p periodic slot %d\n", qh, best_end); + dev_dbg(musb->controller, "qh %p periodic slot %d\n", qh, best_end); success: if (head) { idle = list_empty(head); @@ -2087,6 +2069,7 @@ done: static int musb_cleanup_urb(struct urb *urb, struct musb_qh *qh) { struct musb_hw_ep *ep = qh->hw_ep; + struct musb *musb = ep->musb; void __iomem *epio = ep->regs; unsigned hw_end = ep->epnum; void __iomem *regs = ep->musb->mregs; @@ -2102,7 +2085,7 @@ static int musb_cleanup_urb(struct urb *urb, struct musb_qh *qh) dma = is_in ? ep->rx_channel : ep->tx_channel; if (dma) { status = ep->musb->dma_controller->channel_abort(dma); - DBG(status ? 1 : 3, + dev_dbg(musb->controller, "abort %cX%d DMA for urb %p --> %d\n", is_in ? 'R' : 'T', ep->epnum, urb, status); @@ -2149,7 +2132,7 @@ static int musb_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status) int is_in = usb_pipein(urb->pipe); int ret; - DBG(4, "urb=%p, dev%d ep%d%s\n", urb, + dev_dbg(musb->controller, "urb=%p, dev%d ep%d%s\n", urb, usb_pipedevice(urb->pipe), usb_pipeendpoint(urb->pipe), is_in ? "in" : "out"); diff --git a/drivers/usb/musb/musb_virthub.c b/drivers/usb/musb/musb_virthub.c index bb1247d..2d80a57 100644 --- a/drivers/usb/musb/musb_virthub.c +++ b/drivers/usb/musb/musb_virthub.c @@ -74,7 +74,7 @@ static void musb_port_suspend(struct musb *musb, bool do_suspend) break; } - DBG(3, "Root port suspended, power %02x\n", power); + dev_dbg(musb->controller, "Root port suspended, power %02x\n", power); musb->port1_status |= USB_PORT_STAT_SUSPEND; switch (musb->xceiv->state) { @@ -97,7 +97,7 @@ static void musb_port_suspend(struct musb *musb, bool do_suspend) break; #endif default: - DBG(1, "bogus rh suspend? %s\n", + dev_dbg(musb->controller, "bogus rh suspend? %s\n", otg_state_string(musb->xceiv->state)); } } else if (power & MUSB_POWER_SUSPENDM) { @@ -105,7 +105,7 @@ static void musb_port_suspend(struct musb *musb, bool do_suspend) power |= MUSB_POWER_RESUME; musb_writeb(mbase, MUSB_POWER, power); - DBG(3, "Root port resuming, power %02x\n", power); + dev_dbg(musb->controller, "Root port resuming, power %02x\n", power); /* later, GetPortStatus will stop RESUME signaling */ musb->port1_status |= MUSB_PORT_STAT_RESUME; @@ -120,7 +120,7 @@ static void musb_port_reset(struct musb *musb, bool do_reset) #ifdef CONFIG_USB_MUSB_OTG if (musb->xceiv->state == OTG_STATE_B_IDLE) { - DBG(2, "HNP: Returning from HNP; no hub reset from b_idle\n"); + dev_dbg(musb->controller, "HNP: Returning from HNP; no hub reset from b_idle\n"); musb->port1_status &= ~USB_PORT_STAT_RESET; return; } @@ -159,7 +159,7 @@ static void musb_port_reset(struct musb *musb, bool do_reset) musb->port1_status &= ~USB_PORT_STAT_ENABLE; musb->rh_timer = jiffies + msecs_to_jiffies(50); } else { - DBG(4, "root port reset stopped\n"); + dev_dbg(musb->controller, "root port reset stopped\n"); musb_writeb(mbase, MUSB_POWER, power & ~MUSB_POWER_RESET); @@ -167,7 +167,7 @@ static void musb_port_reset(struct musb *musb, bool do_reset) power = musb_readb(mbase, MUSB_POWER); if (power & MUSB_POWER_HSMODE) { - DBG(4, "high-speed device connected\n"); + dev_dbg(musb->controller, "high-speed device connected\n"); musb->port1_status |= USB_PORT_STAT_HIGH_SPEED; } @@ -208,7 +208,7 @@ void musb_root_disconnect(struct musb *musb) musb->xceiv->state = OTG_STATE_B_IDLE; break; default: - DBG(1, "host disconnect (%s)\n", + dev_dbg(musb->controller, "host disconnect (%s)\n", otg_state_string(musb->xceiv->state)); } } @@ -288,7 +288,7 @@ int musb_hub_control( default: goto error; } - DBG(5, "clear feature %d\n", wValue); + dev_dbg(musb->controller, "clear feature %d\n", wValue); musb->port1_status &= ~(1 << wValue); break; case GetHubDescriptor: @@ -330,7 +330,7 @@ int musb_hub_control( power = musb_readb(musb->mregs, MUSB_POWER); power &= ~MUSB_POWER_RESUME; - DBG(4, "root port resume stopped, power %02x\n", + dev_dbg(musb->controller, "root port resume stopped, power %02x\n", power); musb_writeb(musb->mregs, MUSB_POWER, power); @@ -353,7 +353,7 @@ int musb_hub_control( (__le32 *) buf); /* port change status is more interesting */ - DBG(get_unaligned((u16 *)(buf+2)) ? 2 : 5, "port status %08x\n", + dev_dbg(musb->controller, "port status %08x\n", musb->port1_status); break; case SetPortFeature: @@ -424,7 +424,7 @@ int musb_hub_control( default: goto error; } - DBG(5, "set feature %d\n", wValue); + dev_dbg(musb->controller, "set feature %d\n", wValue); musb->port1_status |= 1 << wValue; break; diff --git a/drivers/usb/musb/musbhsdma.c b/drivers/usb/musb/musbhsdma.c index d281792..f70c5a5 100644 --- a/drivers/usb/musb/musbhsdma.c +++ b/drivers/usb/musb/musbhsdma.c @@ -122,11 +122,12 @@ static void configure_channel(struct dma_channel *channel, { struct musb_dma_channel *musb_channel = channel->private_data; struct musb_dma_controller *controller = musb_channel->controller; + struct musb *musb = controller->private_data; void __iomem *mbase = controller->base; u8 bchannel = musb_channel->idx; u16 csr = 0; - DBG(4, "%p, pkt_sz %d, addr 0x%x, len %d, mode %d\n", + dev_dbg(musb->controller, "%p, pkt_sz %d, addr 0x%x, len %d, mode %d\n", channel, packet_sz, dma_addr, len, mode); if (mode) { @@ -161,7 +162,7 @@ static int dma_channel_program(struct dma_channel *channel, struct musb_dma_controller *controller = musb_channel->controller; struct musb *musb = controller->private_data; - DBG(2, "ep%d-%s pkt_sz %d, dma_addr 0x%x length %d, mode %d\n", + dev_dbg(musb->controller, "ep%d-%s pkt_sz %d, dma_addr 0x%x length %d, mode %d\n", musb_channel->epnum, musb_channel->transmit ? "Tx" : "Rx", packet_sz, dma_addr, len, mode); @@ -274,7 +275,7 @@ static irqreturn_t dma_controller_irq(int irq, void *private_data) #endif if (!int_hsdma) { - DBG(2, "spurious DMA irq\n"); + dev_dbg(musb->controller, "spurious DMA irq\n"); for (bchannel = 0; bchannel < MUSB_HSDMA_CHANNELS; bchannel++) { musb_channel = (struct musb_dma_channel *) @@ -288,7 +289,7 @@ static irqreturn_t dma_controller_irq(int irq, void *private_data) } } - DBG(2, "int_hsdma = 0x%x\n", int_hsdma); + dev_dbg(musb->controller, "int_hsdma = 0x%x\n", int_hsdma); if (!int_hsdma) goto done; @@ -315,7 +316,7 @@ static irqreturn_t dma_controller_irq(int irq, void *private_data) channel->actual_len = addr - musb_channel->start_addr; - DBG(2, "ch %p, 0x%x -> 0x%x (%zu / %d) %s\n", + dev_dbg(musb->controller, "ch %p, 0x%x -> 0x%x (%zu / %d) %s\n", channel, musb_channel->start_addr, addr, channel->actual_len, musb_channel->len, diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c index b996fec..c5d4c44 100644 --- a/drivers/usb/musb/omap2430.c +++ b/drivers/usb/musb/omap2430.c @@ -76,7 +76,7 @@ static void musb_do_idle(unsigned long _musb) if (musb->port1_status & MUSB_PORT_STAT_RESUME) { power = musb_readb(musb->mregs, MUSB_POWER); power &= ~MUSB_POWER_RESUME; - DBG(1, "root port resume stopped, power %02x\n", power); + dev_dbg(musb->controller, "root port resume stopped, power %02x\n", power); musb_writeb(musb->mregs, MUSB_POWER, power); musb->is_active = 1; musb->port1_status &= ~(USB_PORT_STAT_SUSPEND @@ -114,7 +114,7 @@ static void omap2430_musb_try_idle(struct musb *musb, unsigned long timeout) /* Never idle if active, or when VBUS timeout is not set as host */ if (musb->is_active || ((musb->a_wait_bcon == 0) && (musb->xceiv->state == OTG_STATE_A_WAIT_BCON))) { - DBG(4, "%s active, deleting timer\n", + dev_dbg(musb->controller, "%s active, deleting timer\n", otg_state_string(musb->xceiv->state)); del_timer(&musb_idle_timer); last_timer = jiffies; @@ -125,13 +125,13 @@ static void omap2430_musb_try_idle(struct musb *musb, unsigned long timeout) if (!timer_pending(&musb_idle_timer)) last_timer = timeout; else { - DBG(4, "Longer idle timer already pending, ignoring\n"); + dev_dbg(musb->controller, "Longer idle timer already pending, ignoring\n"); return; } } last_timer = timeout; - DBG(4, "%s inactive, for idle timer for %lu ms\n", + dev_dbg(musb->controller, "%s inactive, for idle timer for %lu ms\n", otg_state_string(musb->xceiv->state), (unsigned long)jiffies_to_msecs(timeout - jiffies)); mod_timer(&musb_idle_timer, timeout); @@ -194,7 +194,7 @@ static void omap2430_musb_set_vbus(struct musb *musb, int is_on) } musb_writeb(musb->mregs, MUSB_DEVCTL, devctl); - DBG(1, "VBUS %s, devctl %02x " + dev_dbg(musb->controller, "VBUS %s, devctl %02x " /* otg %3x conf %08x prcm %08x */ "\n", otg_state_string(musb->xceiv->state), musb_readb(musb->mregs, MUSB_DEVCTL)); @@ -240,7 +240,7 @@ static int musb_otg_notifications(struct notifier_block *nb, switch (event) { case USB_EVENT_ID: - DBG(4, "ID GND\n"); + dev_dbg(musb->controller, "ID GND\n"); if (is_otg_enabled(musb)) { #ifdef CONFIG_USB_GADGET_MUSB_HDRC @@ -258,7 +258,7 @@ static int musb_otg_notifications(struct notifier_block *nb, break; case USB_EVENT_VBUS: - DBG(4, "VBUS Connect\n"); + dev_dbg(musb->controller, "VBUS Connect\n"); #ifdef CONFIG_USB_GADGET_MUSB_HDRC if (musb->gadget_driver) @@ -268,7 +268,7 @@ static int musb_otg_notifications(struct notifier_block *nb, break; case USB_EVENT_NONE: - DBG(4, "VBUS Disconnect\n"); + dev_dbg(musb->controller, "VBUS Disconnect\n"); #ifdef CONFIG_USB_GADGET_MUSB_HDRC if (is_otg_enabled(musb) || is_peripheral_enabled(musb)) @@ -286,7 +286,7 @@ static int musb_otg_notifications(struct notifier_block *nb, otg_shutdown(musb->xceiv); break; default: - DBG(4, "ID float\n"); + dev_dbg(musb->controller, "ID float\n"); return NOTIFY_DONE; } @@ -340,7 +340,7 @@ static int omap2430_musb_init(struct musb *musb) status = otg_register_notifier(musb->xceiv, &musb->nb); if (status) - DBG(1, "notification register failed\n"); + dev_dbg(musb->controller, "notification register failed\n"); setup_timer(&musb_idle_timer, musb_do_idle, (unsigned long) musb); diff --git a/drivers/usb/musb/tusb6010.c b/drivers/usb/musb/tusb6010.c index 221feaa..2f683a6 100644 --- a/drivers/usb/musb/tusb6010.c +++ b/drivers/usb/musb/tusb6010.c @@ -106,7 +106,7 @@ static void tusb_wbus_quirk(struct musb *musb, int enabled) tmp = phy_otg_ena & ~WBUS_QUIRK_MASK; tmp |= TUSB_PHY_OTG_CTRL_WRPROTECT | TUSB_PHY_OTG_CTRL_TESTM2; musb_writel(tbase, TUSB_PHY_OTG_CTRL_ENABLE, tmp); - DBG(2, "Enabled tusb wbus quirk ctrl %08x ena %08x\n", + dev_dbg(musb->controller, "Enabled tusb wbus quirk ctrl %08x ena %08x\n", musb_readl(tbase, TUSB_PHY_OTG_CTRL), musb_readl(tbase, TUSB_PHY_OTG_CTRL_ENABLE)); } else if (musb_readl(tbase, TUSB_PHY_OTG_CTRL_ENABLE) @@ -115,7 +115,7 @@ static void tusb_wbus_quirk(struct musb *musb, int enabled) musb_writel(tbase, TUSB_PHY_OTG_CTRL, tmp); tmp = TUSB_PHY_OTG_CTRL_WRPROTECT | phy_otg_ena; musb_writel(tbase, TUSB_PHY_OTG_CTRL_ENABLE, tmp); - DBG(2, "Disabled tusb wbus quirk ctrl %08x ena %08x\n", + dev_dbg(musb->controller, "Disabled tusb wbus quirk ctrl %08x ena %08x\n", musb_readl(tbase, TUSB_PHY_OTG_CTRL), musb_readl(tbase, TUSB_PHY_OTG_CTRL_ENABLE)); phy_otg_ctrl = 0; @@ -178,7 +178,7 @@ void musb_write_fifo(struct musb_hw_ep *hw_ep, u16 len, const u8 *buf) prefetch(buf); - DBG(4, "%cX ep%d fifo %p count %d buf %p\n", + dev_dbg(musb->controller, "%cX ep%d fifo %p count %d buf %p\n", 'T', epnum, fifo, len, buf); if (epnum) @@ -225,7 +225,7 @@ void musb_read_fifo(struct musb_hw_ep *hw_ep, u16 len, u8 *buf) void __iomem *fifo = hw_ep->fifo; u8 epnum = hw_ep->epnum; - DBG(4, "%cX ep%d fifo %p count %d buf %p\n", + dev_dbg(musb->controller, "%cX ep%d fifo %p count %d buf %p\n", 'R', epnum, fifo, len, buf); if (epnum) @@ -304,7 +304,7 @@ static int tusb_draw_power(struct otg_transceiver *x, unsigned mA) } musb_writel(tbase, TUSB_PRCM_MNGMT, reg); - DBG(2, "draw max %d mA VBUS\n", mA); + dev_dbg(musb->controller, "draw max %d mA VBUS\n", mA); return 0; } @@ -374,7 +374,7 @@ static void tusb_allow_idle(struct musb *musb, u32 wakeup_enables) reg |= TUSB_PRCM_MNGMT_PM_IDLE | TUSB_PRCM_MNGMT_DEV_IDLE; musb_writel(tbase, TUSB_PRCM_MNGMT, reg); - DBG(6, "idle, wake on %02x\n", wakeup_enables); + dev_dbg(musb->controller, "idle, wake on %02x\n", wakeup_enables); } /* @@ -421,7 +421,7 @@ static void musb_do_idle(unsigned long _musb) if ((musb->a_wait_bcon != 0) && (musb->idle_timeout == 0 || time_after(jiffies, musb->idle_timeout))) { - DBG(4, "Nothing connected %s, turning off VBUS\n", + dev_dbg(musb->controller, "Nothing connected %s, turning off VBUS\n", otg_state_string(musb->xceiv->state)); } /* FALLTHROUGH */ @@ -481,7 +481,7 @@ static void tusb_musb_try_idle(struct musb *musb, unsigned long timeout) /* Never idle if active, or when VBUS timeout is not set as host */ if (musb->is_active || ((musb->a_wait_bcon == 0) && (musb->xceiv->state == OTG_STATE_A_WAIT_BCON))) { - DBG(4, "%s active, deleting timer\n", + dev_dbg(musb->controller, "%s active, deleting timer\n", otg_state_string(musb->xceiv->state)); del_timer(&musb_idle_timer); last_timer = jiffies; @@ -492,13 +492,13 @@ static void tusb_musb_try_idle(struct musb *musb, unsigned long timeout) if (!timer_pending(&musb_idle_timer)) last_timer = timeout; else { - DBG(4, "Longer idle timer already pending, ignoring\n"); + dev_dbg(musb->controller, "Longer idle timer already pending, ignoring\n"); return; } } last_timer = timeout; - DBG(4, "%s inactive, for idle timer for %lu ms\n", + dev_dbg(musb->controller, "%s inactive, for idle timer for %lu ms\n", otg_state_string(musb->xceiv->state), (unsigned long)jiffies_to_msecs(timeout - jiffies)); mod_timer(&musb_idle_timer, timeout); @@ -573,7 +573,7 @@ static void tusb_musb_set_vbus(struct musb *musb, int is_on) musb_writel(tbase, TUSB_DEV_CONF, conf); musb_writeb(musb->mregs, MUSB_DEVCTL, devctl); - DBG(1, "VBUS %s, devctl %02x otg %3x conf %08x prcm %08x\n", + dev_dbg(musb->controller, "VBUS %s, devctl %02x otg %3x conf %08x prcm %08x\n", otg_state_string(musb->xceiv->state), musb_readb(musb->mregs, MUSB_DEVCTL), musb_readl(tbase, TUSB_DEV_OTG_STAT), @@ -634,7 +634,7 @@ static int tusb_musb_set_mode(struct musb *musb, u8 musb_mode) #endif default: - DBG(2, "Trying to set mode %i\n", musb_mode); + dev_dbg(musb->controller, "Trying to set mode %i\n", musb_mode); return -EINVAL; } @@ -667,7 +667,7 @@ tusb_otg_ints(struct musb *musb, u32 int_src, void __iomem *tbase) default_a = !(otg_stat & TUSB_DEV_OTG_STAT_ID_STATUS); else default_a = is_host_enabled(musb); - DBG(2, "Default-%c\n", default_a ? 'A' : 'B'); + dev_dbg(musb->controller, "Default-%c\n", default_a ? 'A' : 'B'); musb->xceiv->default_a = default_a; tusb_musb_set_vbus(musb, default_a); @@ -694,7 +694,7 @@ tusb_otg_ints(struct musb *musb, u32 int_src, void __iomem *tbase) #endif if (otg_stat & TUSB_DEV_OTG_STAT_SESS_END) { - DBG(1, "Forcing disconnect (no interrupt)\n"); + dev_dbg(musb->controller, "Forcing disconnect (no interrupt)\n"); if (musb->xceiv->state != OTG_STATE_B_IDLE) { /* INTR_DISCONNECT can hide... */ musb->xceiv->state = OTG_STATE_B_IDLE; @@ -702,18 +702,18 @@ tusb_otg_ints(struct musb *musb, u32 int_src, void __iomem *tbase) } musb->is_active = 0; } - DBG(2, "vbus change, %s, otg %03x\n", + dev_dbg(musb->controller, "vbus change, %s, otg %03x\n", otg_state_string(musb->xceiv->state), otg_stat); idle_timeout = jiffies + (1 * HZ); schedule_work(&musb->irq_work); } else /* A-dev state machine */ { - DBG(2, "vbus change, %s, otg %03x\n", + dev_dbg(musb->controller, "vbus change, %s, otg %03x\n", otg_state_string(musb->xceiv->state), otg_stat); switch (musb->xceiv->state) { case OTG_STATE_A_IDLE: - DBG(2, "Got SRP, turning on VBUS\n"); + dev_dbg(musb->controller, "Got SRP, turning on VBUS\n"); musb_platform_set_vbus(musb, 1); /* CONNECT can wake if a_wait_bcon is set */ @@ -757,7 +757,7 @@ tusb_otg_ints(struct musb *musb, u32 int_src, void __iomem *tbase) if (int_src & TUSB_INT_SRC_OTG_TIMEOUT) { u8 devctl; - DBG(4, "%s timer, %03x\n", + dev_dbg(musb->controller, "%s timer, %03x\n", otg_state_string(musb->xceiv->state), otg_stat); switch (musb->xceiv->state) { @@ -769,7 +769,7 @@ tusb_otg_ints(struct musb *musb, u32 int_src, void __iomem *tbase) if (otg_stat & TUSB_DEV_OTG_STAT_VBUS_VALID) { if ((devctl & MUSB_DEVCTL_VBUS) != MUSB_DEVCTL_VBUS) { - DBG(2, "devctl %02x\n", devctl); + dev_dbg(musb->controller, "devctl %02x\n", devctl); break; } musb->xceiv->state = OTG_STATE_A_WAIT_BCON; @@ -814,7 +814,7 @@ static irqreturn_t tusb_musb_interrupt(int irq, void *__hci) musb_writel(tbase, TUSB_INT_MASK, ~TUSB_INT_MASK_RESERVED_BITS); int_src = musb_readl(tbase, TUSB_INT_SRC) & ~TUSB_INT_SRC_RESERVED_BITS; - DBG(3, "TUSB IRQ %08x\n", int_src); + dev_dbg(musb->controller, "TUSB IRQ %08x\n", int_src); musb->int_usb = (u8) int_src; @@ -835,7 +835,7 @@ static irqreturn_t tusb_musb_interrupt(int irq, void *__hci) reg = musb_readl(tbase, TUSB_SCRATCH_PAD); if (reg == i) break; - DBG(6, "TUSB NOR not ready\n"); + dev_dbg(musb->controller, "TUSB NOR not ready\n"); } /* work around issue 13 (2nd half) */ @@ -847,7 +847,7 @@ static irqreturn_t tusb_musb_interrupt(int irq, void *__hci) musb->is_active = 1; schedule_work(&musb->irq_work); } - DBG(3, "wake %sactive %02x\n", + dev_dbg(musb->controller, "wake %sactive %02x\n", musb->is_active ? "" : "in", reg); /* REVISIT host side TUSB_PRCM_WHOSTDISCON, TUSB_PRCM_WBUS */ @@ -869,7 +869,7 @@ static irqreturn_t tusb_musb_interrupt(int irq, void *__hci) u32 dma_src = musb_readl(tbase, TUSB_DMA_INT_SRC); u32 real_dma_src = musb_readl(tbase, TUSB_DMA_INT_MASK); - DBG(3, "DMA IRQ %08x\n", dma_src); + dev_dbg(musb->controller, "DMA IRQ %08x\n", dma_src); real_dma_src = ~real_dma_src & dma_src; if (tusb_dma_omap() && real_dma_src) { int tx_source = (real_dma_src & 0xffff); @@ -877,7 +877,7 @@ static irqreturn_t tusb_musb_interrupt(int irq, void *__hci) for (i = 1; i <= 15; i++) { if (tx_source & (1 << i)) { - DBG(3, "completing ep%i %s\n", i, "tx"); + dev_dbg(musb->controller, "completing ep%i %s\n", i, "tx"); musb_dma_completion(musb, i, 1); } } diff --git a/drivers/usb/musb/tusb6010_omap.c b/drivers/usb/musb/tusb6010_omap.c index 99cb541..c784e6c 100644 --- a/drivers/usb/musb/tusb6010_omap.c +++ b/drivers/usb/musb/tusb6010_omap.c @@ -65,7 +65,7 @@ static int tusb_omap_dma_start(struct dma_controller *c) tusb_dma = container_of(c, struct tusb_omap_dma, controller); - /* DBG(3, "ep%i ch: %i\n", chdat->epnum, chdat->ch); */ + /* dev_dbg(musb->controller, "ep%i ch: %i\n", chdat->epnum, chdat->ch); */ return 0; } @@ -76,7 +76,7 @@ static int tusb_omap_dma_stop(struct dma_controller *c) tusb_dma = container_of(c, struct tusb_omap_dma, controller); - /* DBG(3, "ep%i ch: %i\n", chdat->epnum, chdat->ch); */ + /* dev_dbg(musb->controller, "ep%i ch: %i\n", chdat->epnum, chdat->ch); */ return 0; } @@ -89,7 +89,7 @@ static inline int tusb_omap_use_shared_dmareq(struct tusb_omap_dma_ch *chdat) u32 reg = musb_readl(chdat->tbase, TUSB_DMA_EP_MAP); if (reg != 0) { - DBG(3, "ep%i dmareq0 is busy for ep%i\n", + dev_dbg(musb->controller, "ep%i dmareq0 is busy for ep%i\n", chdat->epnum, reg & 0xf); return -EAGAIN; } @@ -143,7 +143,7 @@ static void tusb_omap_dma_cb(int lch, u16 ch_status, void *data) if (ch_status != OMAP_DMA_BLOCK_IRQ) printk(KERN_ERR "TUSB DMA error status: %i\n", ch_status); - DBG(3, "ep%i %s dma callback ch: %i status: %x\n", + dev_dbg(musb->controller, "ep%i %s dma callback ch: %i status: %x\n", chdat->epnum, chdat->tx ? "tx" : "rx", ch, ch_status); @@ -156,7 +156,7 @@ static void tusb_omap_dma_cb(int lch, u16 ch_status, void *data) /* HW issue #10: XFR_SIZE may get corrupt on DMA (both async & sync) */ if (unlikely(remaining > chdat->transfer_len)) { - DBG(2, "Corrupt %s dma ch%i XFR_SIZE: 0x%08lx\n", + dev_dbg(musb->controller, "Corrupt %s dma ch%i XFR_SIZE: 0x%08lx\n", chdat->tx ? "tx" : "rx", chdat->ch, remaining); remaining = 0; @@ -165,13 +165,13 @@ static void tusb_omap_dma_cb(int lch, u16 ch_status, void *data) channel->actual_len = chdat->transfer_len - remaining; pio = chdat->len - channel->actual_len; - DBG(3, "DMA remaining %lu/%u\n", remaining, chdat->transfer_len); + dev_dbg(musb->controller, "DMA remaining %lu/%u\n", remaining, chdat->transfer_len); /* Transfer remaining 1 - 31 bytes */ if (pio > 0 && pio < 32) { u8 *buf; - DBG(3, "Using PIO for remaining %lu bytes\n", pio); + dev_dbg(musb->controller, "Using PIO for remaining %lu bytes\n", pio); buf = phys_to_virt((u32)chdat->dma_addr) + chdat->transfer_len; if (chdat->tx) { dma_unmap_single(dev, chdat->dma_addr, @@ -209,7 +209,7 @@ static void tusb_omap_dma_cb(int lch, u16 ch_status, void *data) u16 csr; if (chdat->tx) { - DBG(3, "terminating short tx packet\n"); + dev_dbg(musb->controller, "terminating short tx packet\n"); musb_ep_select(mbase, chdat->epnum); csr = musb_readw(hw_ep->regs, MUSB_TXCSR); csr |= MUSB_TXCSR_MODE | MUSB_TXCSR_TXPKTRDY @@ -264,7 +264,7 @@ static int tusb_omap_dma_program(struct dma_channel *channel, u16 packet_sz, dma_remaining = TUSB_EP_CONFIG_XFR_SIZE(dma_remaining); if (dma_remaining) { - DBG(2, "Busy %s dma ch%i, not using: %08x\n", + dev_dbg(musb->controller, "Busy %s dma ch%i, not using: %08x\n", chdat->tx ? "tx" : "rx", chdat->ch, dma_remaining); return false; @@ -283,7 +283,7 @@ static int tusb_omap_dma_program(struct dma_channel *channel, u16 packet_sz, sync_dev = chdat->sync_dev; } else { if (tusb_omap_use_shared_dmareq(chdat) != 0) { - DBG(3, "could not get dma for ep%i\n", chdat->epnum); + dev_dbg(musb->controller, "could not get dma for ep%i\n", chdat->epnum); return false; } if (tusb_dma->ch < 0) { @@ -326,7 +326,7 @@ static int tusb_omap_dma_program(struct dma_channel *channel, u16 packet_sz, dma_params.frame_count = chdat->transfer_len / 32; /* Burst sz frame */ - DBG(3, "ep%i %s dma ch%i dma: %08x len: %u(%u) packet_sz: %i(%i)\n", + dev_dbg(musb->controller, "ep%i %s dma ch%i dma: %08x len: %u(%u) packet_sz: %i(%i)\n", chdat->epnum, chdat->tx ? "tx" : "rx", ch, dma_addr, chdat->transfer_len, len, chdat->transfer_packet_sz, packet_sz); @@ -370,7 +370,7 @@ static int tusb_omap_dma_program(struct dma_channel *channel, u16 packet_sz, dst_burst = OMAP_DMA_DATA_BURST_16; /* 16x32 write */ } - DBG(3, "ep%i %s using %i-bit %s dma from 0x%08lx to 0x%08lx\n", + dev_dbg(musb->controller, "ep%i %s using %i-bit %s dma from 0x%08lx to 0x%08lx\n", chdat->epnum, chdat->tx ? "tx" : "rx", (dma_params.data_type == OMAP_DMA_DATA_TYPE_S32) ? 32 : 16, ((dma_addr & 0x3) == 0) ? "sync" : "async", @@ -525,7 +525,7 @@ tusb_omap_dma_allocate(struct dma_controller *c, /* REVISIT: Why does dmareq5 not work? */ if (hw_ep->epnum == 0) { - DBG(3, "Not allowing DMA for ep0 %s\n", tx ? "tx" : "rx"); + dev_dbg(musb->controller, "Not allowing DMA for ep0 %s\n", tx ? "tx" : "rx"); return NULL; } @@ -585,7 +585,7 @@ tusb_omap_dma_allocate(struct dma_controller *c, chdat->ch = -1; } - DBG(3, "ep%i %s dma: %s dma%i dmareq%i sync%i\n", + dev_dbg(musb->controller, "ep%i %s dma: %s dma%i dmareq%i sync%i\n", chdat->epnum, chdat->tx ? "tx" : "rx", chdat->ch >= 0 ? "dedicated" : "shared", @@ -598,7 +598,7 @@ tusb_omap_dma_allocate(struct dma_controller *c, free_dmareq: tusb_omap_dma_free_dmareq(chdat); - DBG(3, "ep%i: Could not get a DMA channel\n", chdat->epnum); + dev_dbg(musb->controller, "ep%i: Could not get a DMA channel\n", chdat->epnum); channel->status = MUSB_DMA_STATUS_UNKNOWN; return NULL; @@ -611,7 +611,7 @@ static void tusb_omap_dma_release(struct dma_channel *channel) void __iomem *tbase = musb->ctrl_base; u32 reg; - DBG(3, "ep%i ch%i\n", chdat->epnum, chdat->ch); + dev_dbg(musb->controller, "ep%i ch%i\n", chdat->epnum, chdat->ch); reg = musb_readl(tbase, TUSB_DMA_INT_MASK); if (chdat->tx) diff --git a/drivers/usb/otg/twl6030-usb.c b/drivers/usb/otg/twl6030-usb.c index 6e920de..3f2e070 100644 --- a/drivers/usb/otg/twl6030-usb.c +++ b/drivers/usb/otg/twl6030-usb.c @@ -31,6 +31,7 @@ #include <linux/err.h> #include <linux/notifier.h> #include <linux/slab.h> +#include <linux/delay.h> /* usb register definitions */ #define USB_VENDOR_ID_LSB 0x00 @@ -188,6 +189,19 @@ static int twl6030_phy_suspend(struct otg_transceiver *x, int suspend) return 0; } +static int twl6030_start_srp(struct otg_transceiver *x) +{ + struct twl6030_usb *twl = xceiv_to_twl(x); + + twl6030_writeb(twl, TWL_MODULE_USB, 0x24, USB_VBUS_CTRL_SET); + twl6030_writeb(twl, TWL_MODULE_USB, 0x84, USB_VBUS_CTRL_SET); + + mdelay(100); + twl6030_writeb(twl, TWL_MODULE_USB, 0xa0, USB_VBUS_CTRL_CLR); + + return 0; +} + static int twl6030_usb_ldo_init(struct twl6030_usb *twl) { @@ -403,6 +417,7 @@ static int __devinit twl6030_usb_probe(struct platform_device *pdev) twl->otg.init = twl6030_phy_init; twl->otg.shutdown = twl6030_phy_shutdown; twl->otg.set_suspend = twl6030_phy_suspend; + twl->otg.start_srp = twl6030_start_srp; /* init spinlock for workqueue */ spin_lock_init(&twl->lock); |