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path: root/drivers/gpio/gpio-74xx-mmio.c
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Diffstat (limited to 'drivers/gpio/gpio-74xx-mmio.c')
-rw-r--r--drivers/gpio/gpio-74xx-mmio.c37
1 files changed, 15 insertions, 22 deletions
diff --git a/drivers/gpio/gpio-74xx-mmio.c b/drivers/gpio/gpio-74xx-mmio.c
index 6b186829087c..372b0e01adc6 100644
--- a/drivers/gpio/gpio-74xx-mmio.c
+++ b/drivers/gpio/gpio-74xx-mmio.c
@@ -10,10 +10,9 @@
*/
#include <linux/err.h>
-#include <linux/gpio.h>
#include <linux/module.h>
#include <linux/of_device.h>
-#include <linux/basic_mmio_gpio.h>
+#include <linux/gpio/driver.h>
#include <linux/platform_device.h>
#define MMIO_74XX_DIR_IN (0 << 8)
@@ -21,7 +20,7 @@
#define MMIO_74XX_BIT_CNT(x) ((x) & 0xff)
struct mmio_74xx_gpio_priv {
- struct bgpio_chip bgc;
+ struct gpio_chip gc;
unsigned flags;
};
@@ -78,30 +77,23 @@ static const struct of_device_id mmio_74xx_gpio_ids[] = {
};
MODULE_DEVICE_TABLE(of, mmio_74xx_gpio_ids);
-static inline struct mmio_74xx_gpio_priv *to_74xx_gpio(struct gpio_chip *gc)
-{
- struct bgpio_chip *bgc = to_bgpio_chip(gc);
-
- return container_of(bgc, struct mmio_74xx_gpio_priv, bgc);
-}
-
static int mmio_74xx_get_direction(struct gpio_chip *gc, unsigned offset)
{
- struct mmio_74xx_gpio_priv *priv = to_74xx_gpio(gc);
+ struct mmio_74xx_gpio_priv *priv = gpiochip_get_data(gc);
- return (priv->flags & MMIO_74XX_DIR_OUT) ? GPIOF_DIR_OUT : GPIOF_DIR_IN;
+ return !(priv->flags & MMIO_74XX_DIR_OUT);
}
static int mmio_74xx_dir_in(struct gpio_chip *gc, unsigned int gpio)
{
- struct mmio_74xx_gpio_priv *priv = to_74xx_gpio(gc);
+ struct mmio_74xx_gpio_priv *priv = gpiochip_get_data(gc);
return (priv->flags & MMIO_74XX_DIR_OUT) ? -ENOTSUPP : 0;
}
static int mmio_74xx_dir_out(struct gpio_chip *gc, unsigned int gpio, int val)
{
- struct mmio_74xx_gpio_priv *priv = to_74xx_gpio(gc);
+ struct mmio_74xx_gpio_priv *priv = gpiochip_get_data(gc);
if (priv->flags & MMIO_74XX_DIR_OUT) {
gc->set(gc, gpio, val);
@@ -134,28 +126,29 @@ static int mmio_74xx_gpio_probe(struct platform_device *pdev)
priv->flags = (uintptr_t) of_id->data;
- err = bgpio_init(&priv->bgc, &pdev->dev,
+ err = bgpio_init(&priv->gc, &pdev->dev,
DIV_ROUND_UP(MMIO_74XX_BIT_CNT(priv->flags), 8),
dat, NULL, NULL, NULL, NULL, 0);
if (err)
return err;
- priv->bgc.gc.direction_input = mmio_74xx_dir_in;
- priv->bgc.gc.direction_output = mmio_74xx_dir_out;
- priv->bgc.gc.get_direction = mmio_74xx_get_direction;
- priv->bgc.gc.ngpio = MMIO_74XX_BIT_CNT(priv->flags);
- priv->bgc.gc.owner = THIS_MODULE;
+ priv->gc.direction_input = mmio_74xx_dir_in;
+ priv->gc.direction_output = mmio_74xx_dir_out;
+ priv->gc.get_direction = mmio_74xx_get_direction;
+ priv->gc.ngpio = MMIO_74XX_BIT_CNT(priv->flags);
+ priv->gc.owner = THIS_MODULE;
platform_set_drvdata(pdev, priv);
- return gpiochip_add(&priv->bgc.gc);
+ return gpiochip_add_data(&priv->gc, priv);
}
static int mmio_74xx_gpio_remove(struct platform_device *pdev)
{
struct mmio_74xx_gpio_priv *priv = platform_get_drvdata(pdev);
- return bgpio_remove(&priv->bgc);
+ gpiochip_remove(&priv->gc);
+ return 0;
}
static struct platform_driver mmio_74xx_gpio_driver = {