summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-tegra/gpio.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-tegra/gpio.c')
-rw-r--r--arch/arm/mach-tegra/gpio.c60
1 files changed, 29 insertions, 31 deletions
diff --git a/arch/arm/mach-tegra/gpio.c b/arch/arm/mach-tegra/gpio.c
index ad80488..65a1aba 100644
--- a/arch/arm/mach-tegra/gpio.c
+++ b/arch/arm/mach-tegra/gpio.c
@@ -25,6 +25,7 @@
#include <linux/gpio.h>
#include <mach/iomap.h>
+#include <mach/suspend.h>
#define GPIO_BANK(x) ((x) >> 5)
#define GPIO_PORT(x) (((x) >> 3) & 0x3)
@@ -207,9 +208,9 @@ static int tegra_gpio_irq_set_type(struct irq_data *d, unsigned int type)
spin_unlock_irqrestore(&bank->lvl_lock[port], flags);
if (type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH))
- __set_irq_handler_unlocked(d->irq, handle_level_irq);
+ __irq_set_handler_locked(d->irq, handle_level_irq);
else if (type & (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING))
- __set_irq_handler_unlocked(d->irq, handle_edge_irq);
+ __irq_set_handler_locked(d->irq, handle_edge_irq);
return 0;
}
@@ -223,7 +224,7 @@ static void tegra_gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
desc->irq_data.chip->irq_ack(&desc->irq_data);
- bank = get_irq_data(irq);
+ bank = irq_get_handler_data(irq);
for (port = 0; port < 4; port++) {
int gpio = tegra_gpio_compose(bank->bank, port, 0);
@@ -256,7 +257,8 @@ static void tegra_gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
void tegra_gpio_resume(void)
{
unsigned long flags;
- int b, p, i;
+ int b;
+ int p;
local_irq_save(flags);
@@ -274,31 +276,13 @@ void tegra_gpio_resume(void)
}
local_irq_restore(flags);
-
- for (i = INT_GPIO_BASE; i < (INT_GPIO_BASE + TEGRA_NR_GPIOS); i++) {
- struct irq_desc *desc = irq_to_desc(i);
- if (!desc || (desc->status & IRQ_WAKEUP))
- continue;
- enable_irq(i);
- }
}
void tegra_gpio_suspend(void)
{
unsigned long flags;
- int b, p, i;
-
- for (i = INT_GPIO_BASE; i < (INT_GPIO_BASE + TEGRA_NR_GPIOS); i++) {
- struct irq_desc *desc = irq_to_desc(i);
- if (!desc)
- continue;
- if (desc->status & IRQ_WAKEUP) {
- int gpio = i - INT_GPIO_BASE;
- pr_debug("gpio %d.%d is wakeup\n", gpio/8, gpio&7);
- continue;
- }
- disable_irq(i);
- }
+ int b;
+ int p;
local_irq_save(flags);
for (b = 0; b < ARRAY_SIZE(tegra_gpio_banks); b++) {
@@ -319,7 +303,7 @@ void tegra_gpio_suspend(void)
static int tegra_gpio_wake_enable(struct irq_data *d, unsigned int enable)
{
struct tegra_gpio_bank *bank = irq_data_get_irq_chip_data(d);
- return set_irq_wake(bank->irq, enable);
+ return irq_set_irq_wake(bank->irq, enable);
}
#endif
@@ -358,18 +342,18 @@ static int __init tegra_gpio_init(void)
for (i = INT_GPIO_BASE; i < (INT_GPIO_BASE + TEGRA_NR_GPIOS); i++) {
bank = &tegra_gpio_banks[GPIO_BANK(irq_to_gpio(i))];
- lockdep_set_class(&irq_desc[i].lock, &gpio_lock_class);
- set_irq_chip_data(i, bank);
- set_irq_chip(i, &tegra_gpio_irq_chip);
- set_irq_handler(i, handle_simple_irq);
+ irq_set_lockdep_class(i, &gpio_lock_class);
+ irq_set_chip_data(i, bank);
+ irq_set_chip_and_handler(i, &tegra_gpio_irq_chip,
+ handle_simple_irq);
set_irq_flags(i, IRQF_VALID);
}
for (i = 0; i < ARRAY_SIZE(tegra_gpio_banks); i++) {
bank = &tegra_gpio_banks[i];
- set_irq_chained_handler(bank->irq, tegra_gpio_irq_handler);
- set_irq_data(bank->irq, bank);
+ irq_set_chained_handler(bank->irq, tegra_gpio_irq_handler);
+ irq_set_handler_data(bank->irq, bank);
for (j = 0; j < 4; j++)
spin_lock_init(&bank->lvl_lock[j]);
@@ -380,6 +364,20 @@ static int __init tegra_gpio_init(void)
postcore_initcall(tegra_gpio_init);
+void __init tegra_gpio_config(struct tegra_gpio_table *table, int num)
+{
+ int i;
+
+ for (i = 0; i < num; i++) {
+ int gpio = table[i].gpio;
+
+ if (table[i].enable)
+ tegra_gpio_enable(gpio);
+ else
+ tegra_gpio_disable(gpio);
+ }
+}
+
#ifdef CONFIG_DEBUG_FS
#include <linux/debugfs.h>
OpenPOWER on IntegriCloud