[PATCH 24/34] Davinci: gpio - structs and functions renamed
Kevin Hilman
khilman at deeprootsystems.com
Thu May 6 19:24:15 EDT 2010
From: Cyril Chemparathy <cyril at ti.com>
Renamed gpio types to something more sensible:
struct gpio_controller --> struct davinci_gpio_regs
struct davinci_gpio --> struct davinci_gpio_controller
gpio2controller() --> gpio2regs()
irq2controller() --> irq2regs()
This change also moves davinci_gpio_controller definition to gpio.h.
Eventually, the gpio registers structure will be moved to gpio.c and no longer
a common cross-soc definition.
Signed-off-by: Cyril Chemparathy <cyril at ti.com>
Tested-by: Sandeep Paulraj <s-paulraj at ti.com>
Signed-off-by: Kevin Hilman <khilman at deeprootsystems.com>
---
arch/arm/mach-davinci/gpio.c | 50 +++++++++++++----------------
arch/arm/mach-davinci/include/mach/gpio.h | 14 ++++++--
2 files changed, 32 insertions(+), 32 deletions(-)
diff --git a/arch/arm/mach-davinci/gpio.c b/arch/arm/mach-davinci/gpio.c
index 93f7c68..c77683c 100644
--- a/arch/arm/mach-davinci/gpio.c
+++ b/arch/arm/mach-davinci/gpio.c
@@ -22,28 +22,22 @@
static DEFINE_SPINLOCK(gpio_lock);
-struct davinci_gpio {
- struct gpio_chip chip;
- struct gpio_controller __iomem *regs;
- int irq_base;
-};
-
#define chip2controller(chip) \
- container_of(chip, struct davinci_gpio, chip)
+ container_of(chip, struct davinci_gpio_controller, chip)
-static struct davinci_gpio chips[DIV_ROUND_UP(DAVINCI_N_GPIO, 32)];
+static struct davinci_gpio_controller chips[DIV_ROUND_UP(DAVINCI_N_GPIO, 32)];
/* create a non-inlined version */
-static struct gpio_controller __iomem __init *gpio2controller(unsigned gpio)
+static struct davinci_gpio_regs __iomem __init *gpio2regs(unsigned gpio)
{
return __gpio_to_controller(gpio);
}
-static inline struct gpio_controller __iomem *irq2controller(int irq)
+static inline struct davinci_gpio_regs __iomem *irq2regs(int irq)
{
- struct gpio_controller __iomem *g;
+ struct davinci_gpio_regs __iomem *g;
- g = (__force struct gpio_controller __iomem *)get_irq_chip_data(irq);
+ g = (__force struct davinci_gpio_regs __iomem *)get_irq_chip_data(irq);
return g;
}
@@ -60,8 +54,8 @@ static int __init davinci_gpio_irq_setup(void);
static inline int __davinci_direction(struct gpio_chip *chip,
unsigned offset, bool out, int value)
{
- struct davinci_gpio *d = chip2controller(chip);
- struct gpio_controller __iomem *g = d->regs;
+ struct davinci_gpio_controller *d = chip2controller(chip);
+ struct davinci_gpio_regs __iomem *g = d->regs;
u32 temp;
u32 mask = 1 << offset;
@@ -99,8 +93,8 @@ davinci_direction_out(struct gpio_chip *chip, unsigned offset, int value)
*/
static int davinci_gpio_get(struct gpio_chip *chip, unsigned offset)
{
- struct davinci_gpio *d = chip2controller(chip);
- struct gpio_controller __iomem *g = d->regs;
+ struct davinci_gpio_controller *d = chip2controller(chip);
+ struct davinci_gpio_regs __iomem *g = d->regs;
return (1 << offset) & __raw_readl(&g->in_data);
}
@@ -111,8 +105,8 @@ static int davinci_gpio_get(struct gpio_chip *chip, unsigned offset)
static void
davinci_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
{
- struct davinci_gpio *d = chip2controller(chip);
- struct gpio_controller __iomem *g = d->regs;
+ struct davinci_gpio_controller *d = chip2controller(chip);
+ struct davinci_gpio_regs __iomem *g = d->regs;
__raw_writel((1 << offset), value ? &g->set_data : &g->clr_data);
}
@@ -150,7 +144,7 @@ static int __init davinci_gpio_setup(void)
if (chips[i].chip.ngpio > 32)
chips[i].chip.ngpio = 32;
- chips[i].regs = gpio2controller(base);
+ chips[i].regs = gpio2regs(base);
gpiochip_add(&chips[i].chip);
}
@@ -174,7 +168,7 @@ pure_initcall(davinci_gpio_setup);
static void gpio_irq_disable(unsigned irq)
{
- struct gpio_controller __iomem *g = irq2controller(irq);
+ struct davinci_gpio_regs __iomem *g = irq2regs(irq);
u32 mask = (u32) get_irq_data(irq);
__raw_writel(mask, &g->clr_falling);
@@ -183,7 +177,7 @@ static void gpio_irq_disable(unsigned irq)
static void gpio_irq_enable(unsigned irq)
{
- struct gpio_controller __iomem *g = irq2controller(irq);
+ struct davinci_gpio_regs __iomem *g = irq2regs(irq);
u32 mask = (u32) get_irq_data(irq);
unsigned status = irq_desc[irq].status;
@@ -199,7 +193,7 @@ static void gpio_irq_enable(unsigned irq)
static int gpio_irq_type(unsigned irq, unsigned trigger)
{
- struct gpio_controller __iomem *g = irq2controller(irq);
+ struct davinci_gpio_regs __iomem *g = irq2regs(irq);
u32 mask = (u32) get_irq_data(irq);
if (trigger & ~(IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING))
@@ -228,7 +222,7 @@ static struct irq_chip gpio_irqchip = {
static void
gpio_irq_handler(unsigned irq, struct irq_desc *desc)
{
- struct gpio_controller __iomem *g = irq2controller(irq);
+ struct davinci_gpio_regs __iomem *g = irq2regs(irq);
u32 mask = 0xffff;
/* we only care about one bank */
@@ -266,7 +260,7 @@ gpio_irq_handler(unsigned irq, struct irq_desc *desc)
static int gpio_to_irq_banked(struct gpio_chip *chip, unsigned offset)
{
- struct davinci_gpio *d = chip2controller(chip);
+ struct davinci_gpio_controller *d = chip2controller(chip);
if (d->irq_base >= 0)
return d->irq_base + offset;
@@ -289,7 +283,7 @@ static int gpio_to_irq_unbanked(struct gpio_chip *chip, unsigned offset)
static int gpio_irq_type_unbanked(unsigned irq, unsigned trigger)
{
- struct gpio_controller __iomem *g = irq2controller(irq);
+ struct davinci_gpio_regs __iomem *g = irq2regs(irq);
u32 mask = (u32) get_irq_data(irq);
if (trigger & ~(IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING))
@@ -318,7 +312,7 @@ static int __init davinci_gpio_irq_setup(void)
u32 binten = 0;
unsigned ngpio, bank_irq;
struct davinci_soc_info *soc_info = &davinci_soc_info;
- struct gpio_controller __iomem *g;
+ struct davinci_gpio_regs __iomem *g;
ngpio = soc_info->gpio_num;
@@ -367,7 +361,7 @@ static int __init davinci_gpio_irq_setup(void)
gpio_irqchip_unbanked.set_type = gpio_irq_type_unbanked;
/* default trigger: both edges */
- g = gpio2controller(0);
+ g = gpio2regs(0);
__raw_writel(~0, &g->set_falling);
__raw_writel(~0, &g->set_rising);
@@ -392,7 +386,7 @@ static int __init davinci_gpio_irq_setup(void)
unsigned i;
/* disabled by default, enabled only as needed */
- g = gpio2controller(gpio);
+ g = gpio2regs(gpio);
__raw_writel(~0, &g->clr_falling);
__raw_writel(~0, &g->clr_rising);
diff --git a/arch/arm/mach-davinci/include/mach/gpio.h b/arch/arm/mach-davinci/include/mach/gpio.h
index 0099e6e..bdab001 100644
--- a/arch/arm/mach-davinci/include/mach/gpio.h
+++ b/arch/arm/mach-davinci/include/mach/gpio.h
@@ -45,7 +45,7 @@
/* Convert GPIO signal to GPIO pin number */
#define GPIO_TO_PIN(bank, gpio) (16 * (bank) + (gpio))
-struct gpio_controller {
+struct davinci_gpio_regs {
u32 dir;
u32 out_data;
u32 set_data;
@@ -58,6 +58,12 @@ struct gpio_controller {
u32 intstat;
};
+struct davinci_gpio_controller {
+ struct davinci_gpio_regs __iomem *regs;
+ struct gpio_chip chip;
+ int irq_base;
+};
+
/* The __gpio_to_controller() and __gpio_mask() functions inline to constants
* with constant parameters; or in outlined code they execute at runtime.
*
@@ -67,7 +73,7 @@ struct gpio_controller {
*
* These are NOT part of the cross-platform GPIO interface
*/
-static inline struct gpio_controller __iomem *
+static inline struct davinci_gpio_regs __iomem *
__gpio_to_controller(unsigned gpio)
{
void __iomem *ptr;
@@ -102,7 +108,7 @@ static inline u32 __gpio_mask(unsigned gpio)
static inline void gpio_set_value(unsigned gpio, int value)
{
if (__builtin_constant_p(value) && gpio < DAVINCI_N_GPIO) {
- struct gpio_controller __iomem *g;
+ struct davinci_gpio_regs __iomem *g;
u32 mask;
g = __gpio_to_controller(gpio);
@@ -128,7 +134,7 @@ static inline void gpio_set_value(unsigned gpio, int value)
*/
static inline int gpio_get_value(unsigned gpio)
{
- struct gpio_controller __iomem *g;
+ struct davinci_gpio_regs __iomem *g;
if (!__builtin_constant_p(gpio) || gpio >= DAVINCI_N_GPIO)
return __gpio_get_value(gpio);
--
1.7.0.2
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