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Message-ID: <20241021023217.319545-1-rosenp@gmail.com>
Date: Sun, 20 Oct 2024 19:32:17 -0700
From: Rosen Penev <rosenp@...il.com>
To: linux-staging@...ts.linux.dev
Cc: Rui Miguel Silva <rmfrfs@...il.com>,
Johan Hovold <johan@...nel.org>,
Alex Elder <elder@...nel.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
greybus-dev@...ts.linaro.org (moderated list:GREYBUS SUBSYSTEM),
linux-kernel@...r.kernel.org (open list)
Subject: [PATCH] staging: greybus: gpio: use gpiochip_get_data
Instead of container_of, we can populate gpiochip_add_data 's last
parameter and use gpiochip_get_data. It seems to be the standard.
Signed-off-by: Rosen Penev <rosenp@...il.com>
---
drivers/staging/greybus/gpio.c | 33 ++++++++++++++-------------------
1 file changed, 14 insertions(+), 19 deletions(-)
diff --git a/drivers/staging/greybus/gpio.c b/drivers/staging/greybus/gpio.c
index 9b26e148d40f..16bcf7fc8158 100644
--- a/drivers/staging/greybus/gpio.c
+++ b/drivers/staging/greybus/gpio.c
@@ -42,11 +42,6 @@ struct gb_gpio_controller {
struct mutex irq_lock;
};
-static inline struct gb_gpio_controller *gpio_chip_to_gb_gpio_controller(struct gpio_chip *chip)
-{
- return container_of(chip, struct gb_gpio_controller, chip);
-}
-
static struct gpio_chip *irq_data_to_gpio_chip(struct irq_data *d)
{
return d->domain->host_data;
@@ -278,7 +273,7 @@ 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;
@@ -288,7 +283,7 @@ 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;
@@ -298,7 +293,7 @@ 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;
@@ -336,7 +331,7 @@ 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);
}
@@ -344,7 +339,7 @@ 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) {
@@ -407,21 +402,21 @@ 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;
@@ -435,7 +430,7 @@ 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);
}
@@ -443,14 +438,14 @@ 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;
@@ -464,7 +459,7 @@ 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);
}
@@ -472,7 +467,7 @@ 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)
@@ -579,7 +574,7 @@ static int gb_gpio_probe(struct gbphy_device *gbphy_dev,
if (ret)
goto exit_line_free;
- ret = gpiochip_add_data(gpio, NULL);
+ ret = gpiochip_add_data(gpio, ggc);
if (ret) {
dev_err(&gbphy_dev->dev, "failed to add gpio chip: %d\n", ret);
goto exit_line_free;
--
2.47.0
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