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authorJames Morris <jmorris@namei.org>2011-03-08 10:55:06 +1100
committerJames Morris <jmorris@namei.org>2011-03-08 10:55:06 +1100
commit1cc26bada9f6807814806db2f0d78792eecdac71 (patch)
tree5509b5139db04af6c13db0a580c84116a4a54039 /arch/arm/plat-nomadik
parenteae61f3c829439f8f9121b5cd48a14be04df451f (diff)
parent214d93b02c4fe93638ad268613c9702a81ed9192 (diff)
Merge branch 'master'; commit 'v2.6.38-rc7' into next
Diffstat (limited to 'arch/arm/plat-nomadik')
-rw-r--r--arch/arm/plat-nomadik/gpio.c56
-rw-r--r--arch/arm/plat-nomadik/include/plat/ste_dma40.h8
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)