From: Linus Walleij <linus.walleij@linaro.org>
To: linux-gpio@vger.kernel.org, Johan Hovold <johan@kernel.org>,
Alexandre Courbot <acourbot@nvidia.com>,
Michael Welling <mwelling@ieee.org>,
Markus Pargmann <mpa@pengutronix.de>
Cc: Linus Walleij <linus.walleij@linaro.org>,
Lars Poeschel <poeschel@lemonage.de>
Subject: [PATCH 077/182] gpio: viperboard: use gpiochip data pointer
Date: Wed, 9 Dec 2015 14:27:30 +0100 [thread overview]
Message-ID: <1449667650-1062-1-git-send-email-linus.walleij@linaro.org> (raw)
This makes the driver use the data pointer added to the gpio_chip
to store a pointer to the state container instead of relying on
container_of().
Cc: Lars Poeschel <poeschel@lemonage.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---
drivers/gpio/gpio-viperboard.c | 28 ++++++++++------------------
1 file changed, 10 insertions(+), 18 deletions(-)
diff --git a/drivers/gpio/gpio-viperboard.c b/drivers/gpio/gpio-viperboard.c
index 26e7edb74f42..023496d62b87 100644
--- a/drivers/gpio/gpio-viperboard.c
+++ b/drivers/gpio/gpio-viperboard.c
@@ -88,8 +88,7 @@ static int vprbrd_gpioa_get(struct gpio_chip *chip,
unsigned offset)
{
int ret, answer, error = 0;
- struct vprbrd_gpio *gpio =
- container_of(chip, struct vprbrd_gpio, gpioa);
+ struct vprbrd_gpio *gpio = gpiochip_get_data(chip);
struct vprbrd *vb = gpio->vb;
struct vprbrd_gpioa_msg *gamsg = (struct vprbrd_gpioa_msg *)vb->buf;
@@ -139,8 +138,7 @@ static void vprbrd_gpioa_set(struct gpio_chip *chip,
unsigned offset, int value)
{
int ret;
- struct vprbrd_gpio *gpio =
- container_of(chip, struct vprbrd_gpio, gpioa);
+ struct vprbrd_gpio *gpio = gpiochip_get_data(chip);
struct vprbrd *vb = gpio->vb;
struct vprbrd_gpioa_msg *gamsg = (struct vprbrd_gpioa_msg *)vb->buf;
@@ -181,8 +179,7 @@ static int vprbrd_gpioa_direction_input(struct gpio_chip *chip,
unsigned offset)
{
int ret;
- struct vprbrd_gpio *gpio =
- container_of(chip, struct vprbrd_gpio, gpioa);
+ struct vprbrd_gpio *gpio = gpiochip_get_data(chip);
struct vprbrd *vb = gpio->vb;
struct vprbrd_gpioa_msg *gamsg = (struct vprbrd_gpioa_msg *)vb->buf;
@@ -219,8 +216,7 @@ static int vprbrd_gpioa_direction_output(struct gpio_chip *chip,
unsigned offset, int value)
{
int ret;
- struct vprbrd_gpio *gpio =
- container_of(chip, struct vprbrd_gpio, gpioa);
+ struct vprbrd_gpio *gpio = gpiochip_get_data(chip);
struct vprbrd *vb = gpio->vb;
struct vprbrd_gpioa_msg *gamsg = (struct vprbrd_gpioa_msg *)vb->buf;
@@ -287,8 +283,7 @@ static int vprbrd_gpiob_get(struct gpio_chip *chip,
{
int ret;
u16 val;
- struct vprbrd_gpio *gpio =
- container_of(chip, struct vprbrd_gpio, gpiob);
+ struct vprbrd_gpio *gpio = gpiochip_get_data(chip);
struct vprbrd *vb = gpio->vb;
struct vprbrd_gpiob_msg *gbmsg = (struct vprbrd_gpiob_msg *)vb->buf;
@@ -319,8 +314,7 @@ static void vprbrd_gpiob_set(struct gpio_chip *chip,
unsigned offset, int value)
{
int ret;
- struct vprbrd_gpio *gpio =
- container_of(chip, struct vprbrd_gpio, gpiob);
+ struct vprbrd_gpio *gpio = gpiochip_get_data(chip);
struct vprbrd *vb = gpio->vb;
struct vprbrd_gpiob_msg *gbmsg = (struct vprbrd_gpiob_msg *)vb->buf;
@@ -353,8 +347,7 @@ static int vprbrd_gpiob_direction_input(struct gpio_chip *chip,
unsigned offset)
{
int ret;
- struct vprbrd_gpio *gpio =
- container_of(chip, struct vprbrd_gpio, gpiob);
+ struct vprbrd_gpio *gpio = gpiochip_get_data(chip);
struct vprbrd *vb = gpio->vb;
gpio->gpiob_out &= ~(1 << offset);
@@ -375,8 +368,7 @@ static int vprbrd_gpiob_direction_output(struct gpio_chip *chip,
unsigned offset, int value)
{
int ret;
- struct vprbrd_gpio *gpio =
- container_of(chip, struct vprbrd_gpio, gpiob);
+ struct vprbrd_gpio *gpio = gpiochip_get_data(chip);
struct vprbrd *vb = gpio->vb;
gpio->gpiob_out |= (1 << offset);
@@ -418,7 +410,7 @@ static int vprbrd_gpio_probe(struct platform_device *pdev)
vb_gpio->gpioa.get = vprbrd_gpioa_get;
vb_gpio->gpioa.direction_input = vprbrd_gpioa_direction_input;
vb_gpio->gpioa.direction_output = vprbrd_gpioa_direction_output;
- ret = gpiochip_add(&vb_gpio->gpioa);
+ ret = gpiochip_add_data(&vb_gpio->gpioa, vb_gpio);
if (ret < 0) {
dev_err(vb_gpio->gpioa.parent, "could not add gpio a");
goto err_gpioa;
@@ -435,7 +427,7 @@ static int vprbrd_gpio_probe(struct platform_device *pdev)
vb_gpio->gpiob.get = vprbrd_gpiob_get;
vb_gpio->gpiob.direction_input = vprbrd_gpiob_direction_input;
vb_gpio->gpiob.direction_output = vprbrd_gpiob_direction_output;
- ret = gpiochip_add(&vb_gpio->gpiob);
+ ret = gpiochip_add_data(&vb_gpio->gpiob, vb_gpio);
if (ret < 0) {
dev_err(vb_gpio->gpiob.parent, "could not add gpio b");
goto err_gpiob;
--
2.4.3
reply other threads:[~2015-12-09 13:27 UTC|newest]
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