diff options
Diffstat (limited to 'arch/arm/plat-omap')
| -rw-r--r-- | arch/arm/plat-omap/cpu-omap.c | 2 | ||||
| -rw-r--r-- | arch/arm/plat-omap/dma.c | 32 | ||||
| -rw-r--r-- | arch/arm/plat-omap/gpio.c | 2 | ||||
| -rw-r--r-- | arch/arm/plat-omap/include/mach/keypad.h | 5 | ||||
| -rw-r--r-- | arch/arm/plat-omap/iommu.c | 2 |
5 files changed, 29 insertions, 14 deletions
diff --git a/arch/arm/plat-omap/cpu-omap.c b/arch/arm/plat-omap/cpu-omap.c index 1868c0d8f9b..341235c278a 100644 --- a/arch/arm/plat-omap/cpu-omap.c +++ b/arch/arm/plat-omap/cpu-omap.c @@ -127,7 +127,7 @@ static int __init omap_cpu_init(struct cpufreq_policy *policy) } /* FIXME: what's the actual transition time? */ - policy->cpuinfo.transition_latency = 10 * 1000 * 1000; + policy->cpuinfo.transition_latency = 300 * 1000; return 0; } diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c index 0eb676d7e80..68eaae324b6 100644 --- a/arch/arm/plat-omap/dma.c +++ b/arch/arm/plat-omap/dma.c @@ -691,13 +691,16 @@ static inline void disable_lnk(int lch) static inline void omap2_enable_irq_lch(int lch) { u32 val; + unsigned long flags; if (!cpu_class_is_omap2()) return; + spin_lock_irqsave(&dma_chan_lock, flags); val = dma_read(IRQENABLE_L0); val |= 1 << lch; dma_write(val, IRQENABLE_L0); + spin_unlock_irqrestore(&dma_chan_lock, flags); } int omap_request_dma(int dev_id, const char *dev_name, @@ -799,10 +802,13 @@ void omap_free_dma(int lch) if (cpu_class_is_omap2()) { u32 val; + + spin_lock_irqsave(&dma_chan_lock, flags); /* Disable interrupts */ val = dma_read(IRQENABLE_L0); val &= ~(1 << lch); dma_write(val, IRQENABLE_L0); + spin_unlock_irqrestore(&dma_chan_lock, flags); /* Clear the CSR register and IRQ status register */ dma_write(OMAP2_DMA_CSR_CLEAR_MASK, CSR(lch)); @@ -978,6 +984,14 @@ void omap_stop_dma(int lch) { u32 l; + /* Disable all interrupts on the channel */ + if (cpu_class_is_omap1()) + dma_write(0, CICR(lch)); + + l = dma_read(CCR(lch)); + l &= ~OMAP_DMA_CCR_EN; + dma_write(l, CCR(lch)); + if (!omap_dma_in_1510_mode() && dma_chan[lch].next_lch != -1) { int next_lch, cur_lch = lch; char dma_chan_link_map[OMAP_DMA4_LOGICAL_DMA_CH_COUNT]; @@ -995,18 +1009,8 @@ void omap_stop_dma(int lch) next_lch = dma_chan[cur_lch].next_lch; cur_lch = next_lch; } while (next_lch != -1); - - return; } - /* Disable all interrupts on the channel */ - if (cpu_class_is_omap1()) - dma_write(0, CICR(lch)); - - l = dma_read(CCR(lch)); - l &= ~OMAP_DMA_CCR_EN; - dma_write(l, CCR(lch)); - dma_chan[lch].flags &= ~OMAP_DMA_ACTIVE; } EXPORT_SYMBOL(omap_stop_dma); @@ -1110,6 +1114,14 @@ int omap_dma_running(void) { int lch; + /* + * On OMAP1510, internal LCD controller will start the transfer + * when it gets enabled, so assume DMA running if LCD enabled. + */ + if (cpu_is_omap1510()) + if (omap_readw(0xfffec000 + 0x00) & (1 << 0)) + return 1; + /* Check if LCD DMA is running */ if (cpu_is_omap16xx()) if (omap_readw(OMAP1610_DMA_LCD_CCR) & OMAP_DMA_CCR_EN) diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c index 71ebd7fcfea..7c345b757df 100644 --- a/arch/arm/plat-omap/gpio.c +++ b/arch/arm/plat-omap/gpio.c @@ -373,7 +373,7 @@ static inline int gpio_valid(int gpio) static int check_gpio(int gpio) { - if (unlikely(gpio_valid(gpio)) < 0) { + if (unlikely(gpio_valid(gpio) < 0)) { printk(KERN_ERR "omap-gpio: invalid GPIO %d\n", gpio); dump_stack(); return -1; diff --git a/arch/arm/plat-omap/include/mach/keypad.h b/arch/arm/plat-omap/include/mach/keypad.h index d91b9be334f..3ae52ccc793 100644 --- a/arch/arm/plat-omap/include/mach/keypad.h +++ b/arch/arm/plat-omap/include/mach/keypad.h @@ -10,7 +10,7 @@ #ifndef ASMARM_ARCH_KEYPAD_H #define ASMARM_ARCH_KEYPAD_H -#include <linux/input/matrix_keypad.h> +#warning: Please update the board to use matrix_keypad.h instead struct omap_kp_platform_data { int rows; @@ -37,6 +37,9 @@ struct omap_kp_platform_data { #define KEY_PERSISTENT 0x00800000 #define KEYNUM_MASK 0x00EFFFFF +#define KEY(col, row, val) (((col) << 28) | ((row) << 24) | (val)) +#define PERSISTENT_KEY(col, row) (((col) << 28) | ((row) << 24) | \ + KEY_PERSISTENT) #endif diff --git a/arch/arm/plat-omap/iommu.c b/arch/arm/plat-omap/iommu.c index 4b601270730..94584f167a8 100644 --- a/arch/arm/plat-omap/iommu.c +++ b/arch/arm/plat-omap/iommu.c @@ -664,7 +664,7 @@ static size_t iopgtable_clear_entry_core(struct iommu *obj, u32 da) nent = 1; /* for the next L1 entry */ } else { bytes = IOPGD_SIZE; - if (*iopgd & IOPGD_SUPER) { + if ((*iopgd & IOPGD_SUPER) == IOPGD_SUPER) { nent *= 16; /* rewind to the 1st entry */ iopgd = (u32 *)((u32)iopgd & IOSUPER_MASK); |