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Subject[PATCH v4 2/4] staging: greybus: gpio: Use gpiochip_get_data() in place of gpio_chip_to_gb_gpio_controller()
This patch drops gpio_chip_to_gb_gpio_controller(),
and uses gpiochip_get_data() to retrieve the container
of struct gpio_chip.

Signed-off-by: Nishad Kamdar <nishadkamdar@gmail.com>
---
Changes in v4:
- Introduce this change as a new patch.
---
drivers/staging/greybus/gpio.c | 28 +++++++++++++---------------
1 file changed, 13 insertions(+), 15 deletions(-)

diff --git a/drivers/staging/greybus/gpio.c b/drivers/staging/greybus/gpio.c
index 1af291aa1b6e..2dd04682cbc6 100644
--- a/drivers/staging/greybus/gpio.c
+++ b/drivers/staging/greybus/gpio.c
@@ -40,8 +40,6 @@ struct gb_gpio_controller {
struct gpio_chip chip;
struct mutex irq_lock;
};
-#define gpio_chip_to_gb_gpio_controller(chip) \
- container_of(chip, struct gb_gpio_controller, chip)
#define irq_data_to_gpio_chip(d) (d->domain->host_data)

static int gb_gpio_line_count_operation(struct gb_gpio_controller *ggc)
@@ -270,7 +268,7 @@ static void _gb_gpio_irq_set_type(struct gb_gpio_controller *ggc,
static void gb_gpio_irq_mask(struct irq_data *d)
{
struct gpio_chip *chip = irq_data_to_gpio_chip(d);
- struct gb_gpio_controller *ggc = gpio_chip_to_gb_gpio_controller(chip);
+ struct gb_gpio_controller *ggc = gpiochip_get_data(chip);
struct gb_gpio_line *line = &ggc->lines[d->hwirq];

line->masked = true;
@@ -280,7 +278,7 @@ static void gb_gpio_irq_mask(struct irq_data *d)
static void gb_gpio_irq_unmask(struct irq_data *d)
{
struct gpio_chip *chip = irq_data_to_gpio_chip(d);
- struct gb_gpio_controller *ggc = gpio_chip_to_gb_gpio_controller(chip);
+ struct gb_gpio_controller *ggc = gpiochip_get_data(chip);
struct gb_gpio_line *line = &ggc->lines[d->hwirq];

line->masked = false;
@@ -290,7 +288,7 @@ static void gb_gpio_irq_unmask(struct irq_data *d)
static int gb_gpio_irq_set_type(struct irq_data *d, unsigned int type)
{
struct gpio_chip *chip = irq_data_to_gpio_chip(d);
- struct gb_gpio_controller *ggc = gpio_chip_to_gb_gpio_controller(chip);
+ struct gb_gpio_controller *ggc = gpiochip_get_data(chip);
struct gb_gpio_line *line = &ggc->lines[d->hwirq];
struct device *dev = &ggc->gbphy_dev->dev;
u8 irq_type;
@@ -328,7 +326,7 @@ static int gb_gpio_irq_set_type(struct irq_data *d, unsigned int type)
static void gb_gpio_irq_bus_lock(struct irq_data *d)
{
struct gpio_chip *chip = irq_data_to_gpio_chip(d);
- struct gb_gpio_controller *ggc = gpio_chip_to_gb_gpio_controller(chip);
+ struct gb_gpio_controller *ggc = gpiochip_get_data(chip);

mutex_lock(&ggc->irq_lock);
}
@@ -336,7 +334,7 @@ static void gb_gpio_irq_bus_lock(struct irq_data *d)
static void gb_gpio_irq_bus_sync_unlock(struct irq_data *d)
{
struct gpio_chip *chip = irq_data_to_gpio_chip(d);
- struct gb_gpio_controller *ggc = gpio_chip_to_gb_gpio_controller(chip);
+ struct gb_gpio_controller *ggc = gpiochip_get_data(chip);
struct gb_gpio_line *line = &ggc->lines[d->hwirq];

if (line->irq_type_pending) {
@@ -405,21 +403,21 @@ static int gb_gpio_request_handler(struct gb_operation *op)

static int gb_gpio_request(struct gpio_chip *chip, unsigned int offset)
{
- struct gb_gpio_controller *ggc = gpio_chip_to_gb_gpio_controller(chip);
+ struct gb_gpio_controller *ggc = gpiochip_get_data(chip);

return gb_gpio_activate_operation(ggc, (u8)offset);
}

static void gb_gpio_free(struct gpio_chip *chip, unsigned int offset)
{
- struct gb_gpio_controller *ggc = gpio_chip_to_gb_gpio_controller(chip);
+ struct gb_gpio_controller *ggc = gpiochip_get_data(chip);

gb_gpio_deactivate_operation(ggc, (u8)offset);
}

static int gb_gpio_get_direction(struct gpio_chip *chip, unsigned int offset)
{
- struct gb_gpio_controller *ggc = gpio_chip_to_gb_gpio_controller(chip);
+ struct gb_gpio_controller *ggc = gpiochip_get_data(chip);
u8 which;
int ret;

@@ -433,7 +431,7 @@ static int gb_gpio_get_direction(struct gpio_chip *chip, unsigned int offset)

static int gb_gpio_direction_input(struct gpio_chip *chip, unsigned int offset)
{
- struct gb_gpio_controller *ggc = gpio_chip_to_gb_gpio_controller(chip);
+ struct gb_gpio_controller *ggc = gpiochip_get_data(chip);

return gb_gpio_direction_in_operation(ggc, (u8)offset);
}
@@ -441,14 +439,14 @@ static int gb_gpio_direction_input(struct gpio_chip *chip, unsigned int offset)
static int gb_gpio_direction_output(struct gpio_chip *chip, unsigned int offset,
int value)
{
- struct gb_gpio_controller *ggc = gpio_chip_to_gb_gpio_controller(chip);
+ struct gb_gpio_controller *ggc = gpiochip_get_data(chip);

return gb_gpio_direction_out_operation(ggc, (u8)offset, !!value);
}

static int gb_gpio_get(struct gpio_chip *chip, unsigned int offset)
{
- struct gb_gpio_controller *ggc = gpio_chip_to_gb_gpio_controller(chip);
+ struct gb_gpio_controller *ggc = gpiochip_get_data(chip);
u8 which;
int ret;

@@ -462,7 +460,7 @@ static int gb_gpio_get(struct gpio_chip *chip, unsigned int offset)

static void gb_gpio_set(struct gpio_chip *chip, unsigned int offset, int value)
{
- struct gb_gpio_controller *ggc = gpio_chip_to_gb_gpio_controller(chip);
+ struct gb_gpio_controller *ggc = gpiochip_get_data(chip);

gb_gpio_set_value_operation(ggc, (u8)offset, !!value);
}
@@ -470,7 +468,7 @@ static void gb_gpio_set(struct gpio_chip *chip, unsigned int offset, int value)
static int gb_gpio_set_config(struct gpio_chip *chip, unsigned int offset,
unsigned long config)
{
- struct gb_gpio_controller *ggc = gpio_chip_to_gb_gpio_controller(chip);
+ struct gb_gpio_controller *ggc = gpiochip_get_data(chip);
u32 debounce;

if (pinconf_to_config_param(config) != PIN_CONFIG_INPUT_DEBOUNCE)
--
2.17.1
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