diff options
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/omap2_mcspi.c | 4 | ||||
| -rw-r--r-- | drivers/spi/omap_uwire.c | 10 | ||||
| -rw-r--r-- | drivers/spi/spi_stmp.c | 2 | ||||
| -rw-r--r-- | drivers/spi/spi_txx9.c | 13 |
4 files changed, 14 insertions, 15 deletions
diff --git a/drivers/spi/omap2_mcspi.c b/drivers/spi/omap2_mcspi.c index ba1a872..bf5f95a 100644 --- a/drivers/spi/omap2_mcspi.c +++ b/drivers/spi/omap2_mcspi.c @@ -35,8 +35,8 @@ #include <linux/spi/spi.h> -#include <mach/dma.h> -#include <mach/clock.h> +#include <plat/dma.h> +#include <plat/clock.h> #define OMAP2_MCSPI_MAX_FREQ 48000000 diff --git a/drivers/spi/omap_uwire.c b/drivers/spi/omap_uwire.c index e75ba9b..6c3a855 100644 --- a/drivers/spi/omap_uwire.c +++ b/drivers/spi/omap_uwire.c @@ -51,8 +51,8 @@ #include <asm/io.h> #include <asm/mach-types.h> -#include <mach/mux.h> -#include <mach/omap730.h> /* OMAP730_IO_CONF registers */ +#include <plat/mux.h> +#include <plat/omap7xx.h> /* OMAP7XX_IO_CONF registers */ /* FIXME address is now a platform device resource, @@ -504,7 +504,7 @@ static int __init uwire_probe(struct platform_device *pdev) } clk_enable(uwire->ck); - if (cpu_is_omap730()) + if (cpu_is_omap7xx()) uwire_idx_shift = 1; else uwire_idx_shift = 2; @@ -573,8 +573,8 @@ static int __init omap_uwire_init(void) } if (machine_is_omap_perseus2()) { /* configure pins: MPU_UW_nSCS1, MPU_UW_SDO, MPU_UW_SCLK */ - int val = omap_readl(OMAP730_IO_CONF_9) & ~0x00EEE000; - omap_writel(val | 0x00AAA000, OMAP730_IO_CONF_9); + int val = omap_readl(OMAP7XX_IO_CONF_9) & ~0x00EEE000; + omap_writel(val | 0x00AAA000, OMAP7XX_IO_CONF_9); } return platform_driver_probe(&uwire_driver, uwire_probe); diff --git a/drivers/spi/spi_stmp.c b/drivers/spi/spi_stmp.c index d871dc2..2552bb3 100644 --- a/drivers/spi/spi_stmp.c +++ b/drivers/spi/spi_stmp.c @@ -242,7 +242,7 @@ static int stmp_spi_txrx_dma(struct stmp_spi *ss, int cs, wait_for_completion(&ss->done); if (!busy_wait(readl(ss->regs + HW_SSP_CTRL0) & BM_SSP_CTRL0_RUN)) - status = ETIMEDOUT; + status = -ETIMEDOUT; if (!dma_buf) dma_unmap_single(ss->master_dev, spi_buf_dma, len, dir); diff --git a/drivers/spi/spi_txx9.c b/drivers/spi/spi_txx9.c index 96057de..19f7562 100644 --- a/drivers/spi/spi_txx9.c +++ b/drivers/spi/spi_txx9.c @@ -29,6 +29,8 @@ #define SPI_FIFO_SIZE 4 +#define SPI_MAX_DIVIDER 0xff /* Max. value for SPCR1.SER */ +#define SPI_MIN_DIVIDER 1 /* Min. value for SPCR1.SER */ #define TXx9_SPMCR 0x00 #define TXx9_SPCR0 0x04 @@ -193,11 +195,8 @@ static void txx9spi_work_one(struct txx9spi *c, struct spi_message *m) if (prev_speed_hz != speed_hz || prev_bits_per_word != bits_per_word) { - u32 n = (c->baseclk + speed_hz - 1) / speed_hz; - if (n < 1) - n = 1; - else if (n > 0xff) - n = 0xff; + int n = DIV_ROUND_UP(c->baseclk, speed_hz) - 1; + n = clamp(n, SPI_MIN_DIVIDER, SPI_MAX_DIVIDER); /* enter config mode */ txx9spi_wr(c, mcr | TXx9_SPMCR_CONFIG | TXx9_SPMCR_BCLR, TXx9_SPMCR); @@ -370,8 +369,8 @@ static int __init txx9spi_probe(struct platform_device *dev) goto exit; } c->baseclk = clk_get_rate(c->clk); - c->min_speed_hz = (c->baseclk + 0xff - 1) / 0xff; - c->max_speed_hz = c->baseclk; + c->min_speed_hz = DIV_ROUND_UP(c->baseclk, SPI_MAX_DIVIDER + 1); + c->max_speed_hz = c->baseclk / (SPI_MIN_DIVIDER + 1); res = platform_get_resource(dev, IORESOURCE_MEM, 0); if (!res) |