[PATCH v4 07/12] gpio: bd9571mwv: rid of using struct bd9571mwv

[Yoshihiro Shimoda]

To simplify this driver, use dev_get_regmap() and
rid of using struct bd9571mwv.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda...@renesas.com>
Reviewed-by: Matti Vaittinen <matti.vaitti...@fi.rohmeurope.com>
---
 drivers/gpio/gpio-bd9571mwv.c | 19 +++++++++----------
 1 file changed, 9 insertions(+), 10 deletions(-)

diff --git a/drivers/gpio/gpio-bd9571mwv.c b/drivers/gpio/gpio-bd9571mwv.c
index abb622c..0e5395f 100644
--- a/drivers/gpio/gpio-bd9571mwv.c
+++ b/drivers/gpio/gpio-bd9571mwv.c
@@ -16,8 +16,8 @@
 #include <linux/mfd/bd9571mwv.h>
 
 struct bd9571mwv_gpio {
+       struct regmap *regmap;
        struct gpio_chip chip;
-       struct bd9571mwv *bd;
 };
 
 static int bd9571mwv_gpio_get_direction(struct gpio_chip *chip,
@@ -26,7 +26,7 @@ static int bd9571mwv_gpio_get_direction(struct gpio_chip 
*chip,
        struct bd9571mwv_gpio *gpio = gpiochip_get_data(chip);
        int ret, val;
 
-       ret = regmap_read(gpio->bd->regmap, BD9571MWV_GPIO_DIR, &val);
+       ret = regmap_read(gpio->regmap, BD9571MWV_GPIO_DIR, &val);
        if (ret < 0)
                return ret;
        if (val & BIT(offset))
@@ -40,8 +40,7 @@ static int bd9571mwv_gpio_direction_input(struct gpio_chip 
*chip,
 {
        struct bd9571mwv_gpio *gpio = gpiochip_get_data(chip);
 
-       regmap_update_bits(gpio->bd->regmap, BD9571MWV_GPIO_DIR,
-                          BIT(offset), 0);
+       regmap_update_bits(gpio->regmap, BD9571MWV_GPIO_DIR, BIT(offset), 0);
 
        return 0;
 }
@@ -52,9 +51,9 @@ static int bd9571mwv_gpio_direction_output(struct gpio_chip 
*chip,
        struct bd9571mwv_gpio *gpio = gpiochip_get_data(chip);
 
        /* Set the initial value */
-       regmap_update_bits(gpio->bd->regmap, BD9571MWV_GPIO_OUT,
+       regmap_update_bits(gpio->regmap, BD9571MWV_GPIO_OUT,
                           BIT(offset), value ? BIT(offset) : 0);
-       regmap_update_bits(gpio->bd->regmap, BD9571MWV_GPIO_DIR,
+       regmap_update_bits(gpio->regmap, BD9571MWV_GPIO_DIR,
                           BIT(offset), BIT(offset));
 
        return 0;
@@ -65,7 +64,7 @@ static int bd9571mwv_gpio_get(struct gpio_chip *chip, 
unsigned int offset)
        struct bd9571mwv_gpio *gpio = gpiochip_get_data(chip);
        int ret, val;
 
-       ret = regmap_read(gpio->bd->regmap, BD9571MWV_GPIO_IN, &val);
+       ret = regmap_read(gpio->regmap, BD9571MWV_GPIO_IN, &val);
        if (ret < 0)
                return ret;
 
@@ -77,7 +76,7 @@ static void bd9571mwv_gpio_set(struct gpio_chip *chip, 
unsigned int offset,
 {
        struct bd9571mwv_gpio *gpio = gpiochip_get_data(chip);
 
-       regmap_update_bits(gpio->bd->regmap, BD9571MWV_GPIO_OUT,
+       regmap_update_bits(gpio->regmap, BD9571MWV_GPIO_OUT,
                           BIT(offset), value ? BIT(offset) : 0);
 }
 
@@ -105,9 +104,9 @@ static int bd9571mwv_gpio_probe(struct platform_device 
*pdev)
 
        platform_set_drvdata(pdev, gpio);
 
-       gpio->bd = dev_get_drvdata(pdev->dev.parent);
+       gpio->regmap = dev_get_regmap(pdev->dev.parent, NULL);
        gpio->chip = template_chip;
-       gpio->chip.parent = gpio->bd->dev;
+       gpio->chip.parent = pdev->dev.parent;
 
        ret = devm_gpiochip_add_data(&pdev->dev, &gpio->chip, gpio);
        if (ret < 0) {
-- 
2.7.4