diff options
Diffstat (limited to 'arch/arm/plat-nomadik')
| -rw-r--r-- | arch/arm/plat-nomadik/gpio.c | 56 | ||||
| -rw-r--r-- | arch/arm/plat-nomadik/include/plat/ste_dma40.h | 8 |
2 files changed, 36 insertions, 28 deletions
diff --git a/arch/arm/plat-nomadik/gpio.c b/arch/arm/plat-nomadik/gpio.c index eda4e3a11a3..1e88ecb846d 100644 --- a/arch/arm/plat-nomadik/gpio.c +++ b/arch/arm/plat-nomadik/gpio.c @@ -356,13 +356,13 @@ static inline int nmk_gpio_get_bitmask(int gpio) return 1 << (gpio % 32); } -static void nmk_gpio_irq_ack(unsigned int irq) +static void nmk_gpio_irq_ack(struct irq_data *d) { int gpio; struct nmk_gpio_chip *nmk_chip; - gpio = NOMADIK_IRQ_TO_GPIO(irq); - nmk_chip = get_irq_chip_data(irq); + gpio = NOMADIK_IRQ_TO_GPIO(d->irq); + nmk_chip = irq_data_get_irq_chip_data(d); if (!nmk_chip) return; writel(nmk_gpio_get_bitmask(gpio), nmk_chip->addr + NMK_GPIO_IC); @@ -401,7 +401,7 @@ static void __nmk_gpio_irq_modify(struct nmk_gpio_chip *nmk_chip, } } -static int nmk_gpio_irq_modify(unsigned int irq, enum nmk_gpio_irq_type which, +static int nmk_gpio_irq_modify(struct irq_data *d, enum nmk_gpio_irq_type which, bool enable) { int gpio; @@ -409,8 +409,8 @@ static int nmk_gpio_irq_modify(unsigned int irq, enum nmk_gpio_irq_type which, unsigned long flags; u32 bitmask; - gpio = NOMADIK_IRQ_TO_GPIO(irq); - nmk_chip = get_irq_chip_data(irq); + gpio = NOMADIK_IRQ_TO_GPIO(d->irq); + nmk_chip = irq_data_get_irq_chip_data(d); bitmask = nmk_gpio_get_bitmask(gpio); if (!nmk_chip) return -EINVAL; @@ -422,24 +422,24 @@ static int nmk_gpio_irq_modify(unsigned int irq, enum nmk_gpio_irq_type which, return 0; } -static void nmk_gpio_irq_mask(unsigned int irq) +static void nmk_gpio_irq_mask(struct irq_data *d) { - nmk_gpio_irq_modify(irq, NORMAL, false); + nmk_gpio_irq_modify(d, NORMAL, false); } -static void nmk_gpio_irq_unmask(unsigned int irq) +static void nmk_gpio_irq_unmask(struct irq_data *d) { - nmk_gpio_irq_modify(irq, NORMAL, true); + nmk_gpio_irq_modify(d, NORMAL, true); } -static int nmk_gpio_irq_set_wake(unsigned int irq, unsigned int on) +static int nmk_gpio_irq_set_wake(struct irq_data *d, unsigned int on) { struct nmk_gpio_chip *nmk_chip; unsigned long flags; int gpio; - gpio = NOMADIK_IRQ_TO_GPIO(irq); - nmk_chip = get_irq_chip_data(irq); + gpio = NOMADIK_IRQ_TO_GPIO(d->irq); + nmk_chip = irq_data_get_irq_chip_data(d); if (!nmk_chip) return -EINVAL; @@ -457,9 +457,9 @@ static int nmk_gpio_irq_set_wake(unsigned int irq, unsigned int on) return 0; } -static int nmk_gpio_irq_set_type(unsigned int irq, unsigned int type) +static int nmk_gpio_irq_set_type(struct irq_data *d, unsigned int type) { - struct irq_desc *desc = irq_to_desc(irq); + struct irq_desc *desc = irq_to_desc(d->irq); bool enabled = !(desc->status & IRQ_DISABLED); bool wake = desc->wake_depth; int gpio; @@ -467,8 +467,8 @@ static int nmk_gpio_irq_set_type(unsigned int irq, unsigned int type) unsigned long flags; u32 bitmask; - gpio = NOMADIK_IRQ_TO_GPIO(irq); - nmk_chip = get_irq_chip_data(irq); + gpio = NOMADIK_IRQ_TO_GPIO(d->irq); + nmk_chip = irq_data_get_irq_chip_data(d); bitmask = nmk_gpio_get_bitmask(gpio); if (!nmk_chip) return -EINVAL; @@ -507,11 +507,11 @@ static int nmk_gpio_irq_set_type(unsigned int irq, unsigned int type) static struct irq_chip nmk_gpio_irq_chip = { .name = "Nomadik-GPIO", - .ack = nmk_gpio_irq_ack, - .mask = nmk_gpio_irq_mask, - .unmask = nmk_gpio_irq_unmask, - .set_type = nmk_gpio_irq_set_type, - .set_wake = nmk_gpio_irq_set_wake, + .irq_ack = nmk_gpio_irq_ack, + .irq_mask = nmk_gpio_irq_mask, + .irq_unmask = nmk_gpio_irq_unmask, + .irq_set_type = nmk_gpio_irq_set_type, + .irq_set_wake = nmk_gpio_irq_set_wake, }; static void nmk_gpio_irq_handler(unsigned int irq, struct irq_desc *desc) @@ -522,12 +522,12 @@ static void nmk_gpio_irq_handler(unsigned int irq, struct irq_desc *desc) u32 pending; unsigned int first_irq; - if (host_chip->mask_ack) - host_chip->mask_ack(irq); + if (host_chip->irq_mask_ack) + host_chip->irq_mask_ack(&desc->irq_data); else { - host_chip->mask(irq); - if (host_chip->ack) - host_chip->ack(irq); + host_chip->irq_mask(&desc->irq_data); + if (host_chip->irq_ack) + host_chip->irq_ack(&desc->irq_data); } nmk_chip = get_irq_data(irq); @@ -537,7 +537,7 @@ static void nmk_gpio_irq_handler(unsigned int irq, struct irq_desc *desc) generic_handle_irq(gpio_irq); } - host_chip->unmask(irq); + host_chip->irq_unmask(&desc->irq_data); } static int nmk_gpio_init_irq(struct nmk_gpio_chip *nmk_chip) diff --git a/arch/arm/plat-nomadik/include/plat/ste_dma40.h b/arch/arm/plat-nomadik/include/plat/ste_dma40.h index 74b62f10d07..4d6dd4c39b7 100644 --- a/arch/arm/plat-nomadik/include/plat/ste_dma40.h +++ b/arch/arm/plat-nomadik/include/plat/ste_dma40.h @@ -13,6 +13,14 @@ #include <linux/workqueue.h> #include <linux/interrupt.h> +/* + * Maxium size for a single dma descriptor + * Size is limited to 16 bits. + * Size is in the units of addr-widths (1,2,4,8 bytes) + * Larger transfers will be split up to multiple linked desc + */ +#define STEDMA40_MAX_SEG_SIZE 0xFFFF + /* dev types for memcpy */ #define STEDMA40_DEV_DST_MEMORY (-1) #define STEDMA40_DEV_SRC_MEMORY (-1) |