diff options
Diffstat (limited to 'arch/arm/plat-omap')
| -rw-r--r-- | arch/arm/plat-omap/Kconfig | 8 | ||||
| -rw-r--r-- | arch/arm/plat-omap/counter_32k.c | 22 | ||||
| -rw-r--r-- | arch/arm/plat-omap/dma.c | 7 | ||||
| -rw-r--r-- | arch/arm/plat-omap/include/plat/common.h | 3 |
4 files changed, 22 insertions, 18 deletions
diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig index 18fe3cb..b6333ae 100644 --- a/arch/arm/plat-omap/Kconfig +++ b/arch/arm/plat-omap/Kconfig @@ -144,12 +144,9 @@ config OMAP_IOMMU_DEBUG config OMAP_IOMMU_IVA2 bool -choice - prompt "System timer" - default OMAP_32K_TIMER if !ARCH_OMAP15XX - config OMAP_MPU_TIMER bool "Use mpu timer" + depends on ARCH_OMAP1 help Select this option if you want to use the OMAP mpu timer. This timer provides more intra-tick resolution than the 32KHz timer, @@ -158,6 +155,7 @@ config OMAP_MPU_TIMER config OMAP_32K_TIMER bool "Use 32KHz timer" depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS + default y if (ARCH_OMAP16XX || ARCH_OMAP2PLUS) help Select this option if you want to enable the OMAP 32KHz timer. This timer saves power compared to the OMAP_MPU_TIMER, and has @@ -165,8 +163,6 @@ config OMAP_32K_TIMER intra-tick resolution than OMAP_MPU_TIMER. The 32KHz timer is currently only available for OMAP16XX, 24XX, 34XX and OMAP4. -endchoice - config OMAP3_L2_AUX_SECURE_SAVE_RESTORE bool "OMAP3 HS/EMU save and restore for L2 AUX control register" depends on ARCH_OMAP3 && PM diff --git a/arch/arm/plat-omap/counter_32k.c b/arch/arm/plat-omap/counter_32k.c index ea46440..862dda9 100644 --- a/arch/arm/plat-omap/counter_32k.c +++ b/arch/arm/plat-omap/counter_32k.c @@ -36,8 +36,6 @@ #define OMAP16XX_TIMER_32K_SYNCHRONIZED 0xfffbc410 -#if !(defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP15XX)) - #include <linux/clocksource.h> /* @@ -122,12 +120,24 @@ static DEFINE_CLOCK_DATA(cd); #define SC_MULT 4000000000u #define SC_SHIFT 17 -unsigned long long notrace sched_clock(void) +static inline unsigned long long notrace _omap_32k_sched_clock(void) { u32 cyc = clocksource_32k.read(&clocksource_32k); return cyc_to_fixed_sched_clock(&cd, cyc, (u32)~0, SC_MULT, SC_SHIFT); } +#ifndef CONFIG_OMAP_MPU_TIMER +unsigned long long notrace sched_clock(void) +{ + return _omap_32k_sched_clock(); +} +#else +unsigned long long notrace omap_32k_sched_clock(void) +{ + return _omap_32k_sched_clock(); +} +#endif + static void notrace omap_update_sched_clock(void) { u32 cyc = clocksource_32k.read(&clocksource_32k); @@ -160,7 +170,7 @@ void read_persistent_clock(struct timespec *ts) *ts = *tsp; } -static int __init omap_init_clocksource_32k(void) +int __init omap_init_clocksource_32k(void) { static char err[] __initdata = KERN_ERR "%s: can't register clocksource!\n"; @@ -195,7 +205,3 @@ static int __init omap_init_clocksource_32k(void) } return 0; } -arch_initcall(omap_init_clocksource_32k); - -#endif /* !(defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP15XX)) */ - diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c index c4b2b47..8536308 100644 --- a/arch/arm/plat-omap/dma.c +++ b/arch/arm/plat-omap/dma.c @@ -53,7 +53,7 @@ enum { DMA_CHAIN_STARTED, DMA_CHAIN_NOTSTARTED }; #endif #define OMAP_DMA_ACTIVE 0x01 -#define OMAP2_DMA_CSR_CLEAR_MASK 0xffe +#define OMAP2_DMA_CSR_CLEAR_MASK 0xffffffff #define OMAP_FUNC_MUX_ARM_BASE (0xfffe1000 + 0xec) @@ -1873,7 +1873,7 @@ static int omap2_dma_handle_ch(int ch) printk(KERN_INFO "DMA misaligned error with device %d\n", dma_chan[ch].dev_id); - p->dma_write(OMAP2_DMA_CSR_CLEAR_MASK, CSR, ch); + p->dma_write(status, CSR, ch); p->dma_write(1 << ch, IRQSTATUS_L0, ch); /* read back the register to flush the write */ p->dma_read(IRQSTATUS_L0, ch); @@ -1893,10 +1893,9 @@ static int omap2_dma_handle_ch(int ch) OMAP_DMA_CHAIN_INCQHEAD(chain_id); status = p->dma_read(CSR, ch); + p->dma_write(status, CSR, ch); } - p->dma_write(status, CSR, ch); - if (likely(dma_chan[ch].callback != NULL)) dma_chan[ch].callback(ch, status, dma_chan[ch].data); diff --git a/arch/arm/plat-omap/include/plat/common.h b/arch/arm/plat-omap/include/plat/common.h index 6b8088e..29b2afb 100644 --- a/arch/arm/plat-omap/include/plat/common.h +++ b/arch/arm/plat-omap/include/plat/common.h @@ -35,6 +35,9 @@ struct sys_timer; extern void omap_map_common_io(void); extern struct sys_timer omap_timer; +extern bool omap_32k_timer_init(void); +extern int __init omap_init_clocksource_32k(void); +extern unsigned long long notrace omap_32k_sched_clock(void); extern void omap_reserve(void); |