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path: root/drivers/gpio/gpio-zynq.c
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Diffstat (limited to 'drivers/gpio/gpio-zynq.c')
-rw-r--r--drivers/gpio/gpio-zynq.c32
1 files changed, 22 insertions, 10 deletions
diff --git a/drivers/gpio/gpio-zynq.c b/drivers/gpio/gpio-zynq.c
index 1d1a5865ede9..8abeacac5885 100644
--- a/drivers/gpio/gpio-zynq.c
+++ b/drivers/gpio/gpio-zynq.c
@@ -130,6 +130,12 @@ struct zynq_platform_data {
static struct irq_chip zynq_gpio_level_irqchip;
static struct irq_chip zynq_gpio_edge_irqchip;
+
+static struct zynq_gpio *to_zynq_gpio(struct gpio_chip *gc)
+{
+ return container_of(gc, struct zynq_gpio, chip);
+}
+
/**
* zynq_gpio_get_bank_pin - Get the bank number and pin number within that bank
* for a given pin in the GPIO device
@@ -177,7 +183,7 @@ static int zynq_gpio_get_value(struct gpio_chip *chip, unsigned int pin)
{
u32 data;
unsigned int bank_num, bank_pin_num;
- struct zynq_gpio *gpio = container_of(chip, struct zynq_gpio, chip);
+ struct zynq_gpio *gpio = to_zynq_gpio(chip);
zynq_gpio_get_bank_pin(pin, &bank_num, &bank_pin_num, gpio);
@@ -201,7 +207,7 @@ static void zynq_gpio_set_value(struct gpio_chip *chip, unsigned int pin,
int state)
{
unsigned int reg_offset, bank_num, bank_pin_num;
- struct zynq_gpio *gpio = container_of(chip, struct zynq_gpio, chip);
+ struct zynq_gpio *gpio = to_zynq_gpio(chip);
zynq_gpio_get_bank_pin(pin, &bank_num, &bank_pin_num, gpio);
@@ -238,7 +244,7 @@ static int zynq_gpio_dir_in(struct gpio_chip *chip, unsigned int pin)
{
u32 reg;
unsigned int bank_num, bank_pin_num;
- struct zynq_gpio *gpio = container_of(chip, struct zynq_gpio, chip);
+ struct zynq_gpio *gpio = to_zynq_gpio(chip);
zynq_gpio_get_bank_pin(pin, &bank_num, &bank_pin_num, gpio);
@@ -271,7 +277,7 @@ static int zynq_gpio_dir_out(struct gpio_chip *chip, unsigned int pin,
{
u32 reg;
unsigned int bank_num, bank_pin_num;
- struct zynq_gpio *gpio = container_of(chip, struct zynq_gpio, chip);
+ struct zynq_gpio *gpio = to_zynq_gpio(chip);
zynq_gpio_get_bank_pin(pin, &bank_num, &bank_pin_num, gpio);
@@ -301,7 +307,8 @@ static int zynq_gpio_dir_out(struct gpio_chip *chip, unsigned int pin,
static void zynq_gpio_irq_mask(struct irq_data *irq_data)
{
unsigned int device_pin_num, bank_num, bank_pin_num;
- struct zynq_gpio *gpio = irq_data_get_irq_chip_data(irq_data);
+ struct zynq_gpio *gpio =
+ to_zynq_gpio(irq_data_get_irq_chip_data(irq_data));
device_pin_num = irq_data->hwirq;
zynq_gpio_get_bank_pin(device_pin_num, &bank_num, &bank_pin_num, gpio);
@@ -321,7 +328,8 @@ static void zynq_gpio_irq_mask(struct irq_data *irq_data)
static void zynq_gpio_irq_unmask(struct irq_data *irq_data)
{
unsigned int device_pin_num, bank_num, bank_pin_num;
- struct zynq_gpio *gpio = irq_data_get_irq_chip_data(irq_data);
+ struct zynq_gpio *gpio =
+ to_zynq_gpio(irq_data_get_irq_chip_data(irq_data));
device_pin_num = irq_data->hwirq;
zynq_gpio_get_bank_pin(device_pin_num, &bank_num, &bank_pin_num, gpio);
@@ -340,7 +348,8 @@ static void zynq_gpio_irq_unmask(struct irq_data *irq_data)
static void zynq_gpio_irq_ack(struct irq_data *irq_data)
{
unsigned int device_pin_num, bank_num, bank_pin_num;
- struct zynq_gpio *gpio = irq_data_get_irq_chip_data(irq_data);
+ struct zynq_gpio *gpio =
+ to_zynq_gpio(irq_data_get_irq_chip_data(irq_data));
device_pin_num = irq_data->hwirq;
zynq_gpio_get_bank_pin(device_pin_num, &bank_num, &bank_pin_num, gpio);
@@ -390,7 +399,8 @@ static int zynq_gpio_set_irq_type(struct irq_data *irq_data, unsigned int type)
{
u32 int_type, int_pol, int_any;
unsigned int device_pin_num, bank_num, bank_pin_num;
- struct zynq_gpio *gpio = irq_data_get_irq_chip_data(irq_data);
+ struct zynq_gpio *gpio =
+ to_zynq_gpio(irq_data_get_irq_chip_data(irq_data));
device_pin_num = irq_data->hwirq;
zynq_gpio_get_bank_pin(device_pin_num, &bank_num, &bank_pin_num, gpio);
@@ -453,7 +463,8 @@ static int zynq_gpio_set_irq_type(struct irq_data *irq_data, unsigned int type)
static int zynq_gpio_set_wake(struct irq_data *data, unsigned int on)
{
- struct zynq_gpio *gpio = irq_data_get_irq_chip_data(data);
+ struct zynq_gpio *gpio =
+ to_zynq_gpio(irq_data_get_irq_chip_data(data));
irq_set_irq_wake(gpio->irq, on);
@@ -518,7 +529,8 @@ static void zynq_gpio_irqhandler(struct irq_desc *desc)
{
u32 int_sts, int_enb;
unsigned int bank_num;
- struct zynq_gpio *gpio = irq_desc_get_handler_data(desc);
+ struct zynq_gpio *gpio =
+ to_zynq_gpio(irq_desc_get_handler_data(desc));
struct irq_chip *irqchip = irq_desc_get_chip(desc);
chained_irq_enter(irqchip, desc);