Merge tag 'orphan-handling-v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel...
[linux-2.6-microblaze.git] / drivers / gpio / gpio-bd70528.c
index 45b3da8..397a50d 100644 (file)
@@ -12,7 +12,8 @@
 #define GPIO_OUT_REG(offset) (BD70528_REG_GPIO1_OUT + (offset) * 2)
 
 struct bd70528_gpio {
-       struct rohm_regmap_dev chip;
+       struct regmap *regmap;
+       struct device *dev;
        struct gpio_chip gpio;
 };
 
@@ -35,11 +36,11 @@ static int bd70528_set_debounce(struct bd70528_gpio *bdgpio,
                val = BD70528_DEBOUNCE_50MS;
                break;
        default:
-               dev_err(bdgpio->chip.dev,
+               dev_err(bdgpio->dev,
                        "Invalid debounce value %u\n", debounce);
                return -EINVAL;
        }
-       return regmap_update_bits(bdgpio->chip.regmap, GPIO_IN_REG(offset),
+       return regmap_update_bits(bdgpio->regmap, GPIO_IN_REG(offset),
                                 BD70528_DEBOUNCE_MASK, val);
 }
 
@@ -49,9 +50,9 @@ static int bd70528_get_direction(struct gpio_chip *chip, unsigned int offset)
        int val, ret;
 
        /* Do we need to do something to IRQs here? */
-       ret = regmap_read(bdgpio->chip.regmap, GPIO_OUT_REG(offset), &val);
+       ret = regmap_read(bdgpio->regmap, GPIO_OUT_REG(offset), &val);
        if (ret) {
-               dev_err(bdgpio->chip.dev, "Could not read gpio direction\n");
+               dev_err(bdgpio->dev, "Could not read gpio direction\n");
                return ret;
        }
        if (val & BD70528_GPIO_OUT_EN_MASK)
@@ -67,13 +68,13 @@ static int bd70528_gpio_set_config(struct gpio_chip *chip, unsigned int offset,
 
        switch (pinconf_to_config_param(config)) {
        case PIN_CONFIG_DRIVE_OPEN_DRAIN:
-               return regmap_update_bits(bdgpio->chip.regmap,
+               return regmap_update_bits(bdgpio->regmap,
                                          GPIO_OUT_REG(offset),
                                          BD70528_GPIO_DRIVE_MASK,
                                          BD70528_GPIO_OPEN_DRAIN);
                break;
        case PIN_CONFIG_DRIVE_PUSH_PULL:
-               return regmap_update_bits(bdgpio->chip.regmap,
+               return regmap_update_bits(bdgpio->regmap,
                                          GPIO_OUT_REG(offset),
                                          BD70528_GPIO_DRIVE_MASK,
                                          BD70528_GPIO_PUSH_PULL);
@@ -93,7 +94,7 @@ static int bd70528_direction_input(struct gpio_chip *chip, unsigned int offset)
        struct bd70528_gpio *bdgpio = gpiochip_get_data(chip);
 
        /* Do we need to do something to IRQs here? */
-       return regmap_update_bits(bdgpio->chip.regmap, GPIO_OUT_REG(offset),
+       return regmap_update_bits(bdgpio->regmap, GPIO_OUT_REG(offset),
                                 BD70528_GPIO_OUT_EN_MASK,
                                 BD70528_GPIO_OUT_DISABLE);
 }
@@ -105,10 +106,10 @@ static void bd70528_gpio_set(struct gpio_chip *chip, unsigned int offset,
        struct bd70528_gpio *bdgpio = gpiochip_get_data(chip);
        u8 val = (value) ? BD70528_GPIO_OUT_HI : BD70528_GPIO_OUT_LO;
 
-       ret = regmap_update_bits(bdgpio->chip.regmap, GPIO_OUT_REG(offset),
+       ret = regmap_update_bits(bdgpio->regmap, GPIO_OUT_REG(offset),
                                 BD70528_GPIO_OUT_MASK, val);
        if (ret)
-               dev_err(bdgpio->chip.dev, "Could not set gpio to %d\n", value);
+               dev_err(bdgpio->dev, "Could not set gpio to %d\n", value);
 }
 
 static int bd70528_direction_output(struct gpio_chip *chip, unsigned int offset,
@@ -117,7 +118,7 @@ static int bd70528_direction_output(struct gpio_chip *chip, unsigned int offset,
        struct bd70528_gpio *bdgpio = gpiochip_get_data(chip);
 
        bd70528_gpio_set(chip, offset, value);
-       return regmap_update_bits(bdgpio->chip.regmap, GPIO_OUT_REG(offset),
+       return regmap_update_bits(bdgpio->regmap, GPIO_OUT_REG(offset),
                                 BD70528_GPIO_OUT_EN_MASK,
                                 BD70528_GPIO_OUT_ENABLE);
 }
@@ -129,11 +130,11 @@ static int bd70528_gpio_get_o(struct bd70528_gpio *bdgpio, unsigned int offset)
        int ret;
        unsigned int val;
 
-       ret = regmap_read(bdgpio->chip.regmap, GPIO_OUT_REG(offset), &val);
+       ret = regmap_read(bdgpio->regmap, GPIO_OUT_REG(offset), &val);
        if (!ret)
                ret = !!(val & BD70528_GPIO_OUT_MASK);
        else
-               dev_err(bdgpio->chip.dev, "GPIO (out) state read failed\n");
+               dev_err(bdgpio->dev, "GPIO (out) state read failed\n");
 
        return ret;
 }
@@ -143,12 +144,12 @@ static int bd70528_gpio_get_i(struct bd70528_gpio *bdgpio, unsigned int offset)
        unsigned int val;
        int ret;
 
-       ret = regmap_read(bdgpio->chip.regmap, BD70528_REG_GPIO_STATE, &val);
+       ret = regmap_read(bdgpio->regmap, BD70528_REG_GPIO_STATE, &val);
 
        if (!ret)
                ret = !(val & GPIO_IN_STATE_MASK(offset));
        else
-               dev_err(bdgpio->chip.dev, "GPIO (in) state read failed\n");
+               dev_err(bdgpio->dev, "GPIO (in) state read failed\n");
 
        return ret;
 }
@@ -173,29 +174,22 @@ static int bd70528_gpio_get(struct gpio_chip *chip, unsigned int offset)
        else if (ret == GPIO_LINE_DIRECTION_IN)
                ret = bd70528_gpio_get_i(bdgpio, offset);
        else
-               dev_err(bdgpio->chip.dev, "failed to read GPIO direction\n");
+               dev_err(bdgpio->dev, "failed to read GPIO direction\n");
 
        return ret;
 }
 
 static int bd70528_probe(struct platform_device *pdev)
 {
+       struct device *dev = &pdev->dev;
        struct bd70528_gpio *bdgpio;
-       struct rohm_regmap_dev *bd70528;
        int ret;
 
-       bd70528 = dev_get_drvdata(pdev->dev.parent);
-       if (!bd70528) {
-               dev_err(&pdev->dev, "No MFD driver data\n");
-               return -EINVAL;
-       }
-
-       bdgpio = devm_kzalloc(&pdev->dev, sizeof(*bdgpio),
-                             GFP_KERNEL);
+       bdgpio = devm_kzalloc(dev, sizeof(*bdgpio), GFP_KERNEL);
        if (!bdgpio)
                return -ENOMEM;
-       bdgpio->chip.dev = &pdev->dev;
-       bdgpio->gpio.parent = pdev->dev.parent;
+       bdgpio->dev = dev;
+       bdgpio->gpio.parent = dev->parent;
        bdgpio->gpio.label = "bd70528-gpio";
        bdgpio->gpio.owner = THIS_MODULE;
        bdgpio->gpio.get_direction = bd70528_get_direction;
@@ -208,14 +202,15 @@ static int bd70528_probe(struct platform_device *pdev)
        bdgpio->gpio.ngpio = 4;
        bdgpio->gpio.base = -1;
 #ifdef CONFIG_OF_GPIO
-       bdgpio->gpio.of_node = pdev->dev.parent->of_node;
+       bdgpio->gpio.of_node = dev->parent->of_node;
 #endif
-       bdgpio->chip.regmap = bd70528->regmap;
+       bdgpio->regmap = dev_get_regmap(dev->parent, NULL);
+       if (!bdgpio->regmap)
+               return -ENODEV;
 
-       ret = devm_gpiochip_add_data(&pdev->dev, &bdgpio->gpio,
-                                    bdgpio);
+       ret = devm_gpiochip_add_data(dev, &bdgpio->gpio, bdgpio);
        if (ret)
-               dev_err(&pdev->dev, "gpio_init: Failed to add bd70528-gpio\n");
+               dev_err(dev, "gpio_init: Failed to add bd70528-gpio\n");
 
        return ret;
 }