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authorLinus Walleij <linus.walleij@linaro.org>2015-12-08 23:20:57 +0100
committerLinus Walleij <linus.walleij@linaro.org>2016-01-07 00:02:34 +0100
commit11680af7c8579fc37ac34bf16cb5ea49435054a4 (patch)
treeee300e2c7650fe4c83e792bf1b107764fdf26609 /drivers/video
parentgpio: pch: Optimize pch_gpio_get() (diff)
downloadlinux-11680af7c8579fc37ac34bf16cb5ea49435054a4.tar.xz
linux-11680af7c8579fc37ac34bf16cb5ea49435054a4.zip
video: fbdev: via: use gpiochip data pointer
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: Florian Tobias Schandinat <FlorianSchandinat@gmx.de> Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/fbdev/via/via-gpio.c17
1 files changed, 6 insertions, 11 deletions
diff --git a/drivers/video/fbdev/via/via-gpio.c b/drivers/video/fbdev/via/via-gpio.c
index 3d3544036bc1..1e89c3434071 100644
--- a/drivers/video/fbdev/via/via-gpio.c
+++ b/drivers/video/fbdev/via/via-gpio.c
@@ -6,7 +6,7 @@
*/
#include <linux/spinlock.h>
-#include <linux/gpio.h>
+#include <linux/gpio/driver.h>
#include <linux/platform_device.h>
#include <linux/via-core.h>
#include <linux/via-gpio.h>
@@ -83,9 +83,7 @@ struct viafb_gpio_cfg {
static void via_gpio_set(struct gpio_chip *chip, unsigned int nr,
int value)
{
- struct viafb_gpio_cfg *cfg = container_of(chip,
- struct viafb_gpio_cfg,
- gpio_chip);
+ struct viafb_gpio_cfg *cfg = gpiochip_get_data(chip);
u8 reg;
struct viafb_gpio *gpio;
unsigned long flags;
@@ -115,9 +113,7 @@ static int via_gpio_dir_out(struct gpio_chip *chip, unsigned int nr,
*/
static int via_gpio_dir_input(struct gpio_chip *chip, unsigned int nr)
{
- struct viafb_gpio_cfg *cfg = container_of(chip,
- struct viafb_gpio_cfg,
- gpio_chip);
+ struct viafb_gpio_cfg *cfg = gpiochip_get_data(chip);
struct viafb_gpio *gpio;
unsigned long flags;
@@ -131,9 +127,7 @@ static int via_gpio_dir_input(struct gpio_chip *chip, unsigned int nr)
static int via_gpio_get(struct gpio_chip *chip, unsigned int nr)
{
- struct viafb_gpio_cfg *cfg = container_of(chip,
- struct viafb_gpio_cfg,
- gpio_chip);
+ struct viafb_gpio_cfg *cfg = gpiochip_get_data(chip);
u8 reg;
struct viafb_gpio *gpio;
unsigned long flags;
@@ -255,7 +249,8 @@ static int viafb_gpio_probe(struct platform_device *platdev)
* Get registered.
*/
viafb_gpio_config.gpio_chip.base = -1; /* Dynamic */
- ret = gpiochip_add(&viafb_gpio_config.gpio_chip);
+ ret = gpiochip_add_data(&viafb_gpio_config.gpio_chip,
+ &viafb_gpio_config);
if (ret) {
printk(KERN_ERR "viafb: failed to add gpios (%d)\n", ret);
viafb_gpio_config.gpio_chip.ngpio = 0;