pinctrl: apple: Make regmap_config static const and fix indentation
authorJohn Madieu <john.madieu@labcsmart.com>
Sat, 29 Mar 2025 18:15:06 +0000 (18:15 +0000)
committerLinus Walleij <linus.walleij@linaro.org>
Tue, 15 Apr 2025 07:46:31 +0000 (09:46 +0200)
Mark the regmap_config as static const since it is only used in this file
and never modified, allowing the compiler to optimize it and enforce
const-correctness.

Also fix minor indentation inconsistencies in function parameter alignment
to conform with kernel coding style.

Signed-off-by: John Madieu <john.madieu@labcsmart.com>
Link: https://lore.kernel.org/20250329181506.890043-1-john.madieu@labcsmart.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
drivers/pinctrl/pinctrl-apple-gpio.c

index f861e63f41152109f53bb6479f390c2e414d3fd6..0f551d67d482d96c7a1e4c28a6db580f0db6452e 100644 (file)
@@ -66,7 +66,7 @@ struct apple_gpio_pinctrl {
 #define REG_GPIOx_DRIVE_STRENGTH1 GENMASK(23, 22)
 #define REG_IRQ(g, x)        (0x800 + 0x40 * (g) + 4 * ((x) >> 5))
 
-struct regmap_config regmap_config = {
+static const struct regmap_config regmap_config = {
        .reg_bits = 32,
        .val_bits = 32,
        .reg_stride = 4,
@@ -79,13 +79,13 @@ struct regmap_config regmap_config = {
 
 /* No locking needed to mask/unmask IRQs as the interrupt mode is per pin-register. */
 static void apple_gpio_set_reg(struct apple_gpio_pinctrl *pctl,
-                               unsigned int pin, u32 mask, u32 value)
+                              unsigned int pin, u32 mask, u32 value)
 {
        regmap_update_bits(pctl->map, REG_GPIO(pin), mask, value);
 }
 
 static u32 apple_gpio_get_reg(struct apple_gpio_pinctrl *pctl,
-                              unsigned int pin)
+                             unsigned int pin)
 {
        int ret;
        u32 val;
@@ -100,9 +100,9 @@ static u32 apple_gpio_get_reg(struct apple_gpio_pinctrl *pctl,
 /* Pin controller functions */
 
 static int apple_gpio_dt_node_to_map(struct pinctrl_dev *pctldev,
-                                     struct device_node *node,
-                                     struct pinctrl_map **map,
-                                     unsigned *num_maps)
+                                    struct device_node *node,
+                                    struct pinctrl_map **map,
+                                    unsigned *num_maps)
 {
        unsigned reserved_maps;
        struct apple_gpio_pinctrl *pctl;
@@ -147,8 +147,8 @@ static int apple_gpio_dt_node_to_map(struct pinctrl_dev *pctldev,
                group_name = pinctrl_generic_get_group_name(pctldev, pin);
                function_name = pinmux_generic_get_function_name(pctl->pctldev, func);
                ret = pinctrl_utils_add_map_mux(pctl->pctldev, map,
-                                               &reserved_maps, num_maps,
-                                               group_name, function_name);
+                                               &reserved_maps, num_maps,
+                                               group_name, function_name);
                if (ret)
                        goto free_map;
        }
@@ -171,7 +171,7 @@ static const struct pinctrl_ops apple_gpio_pinctrl_ops = {
 /* Pin multiplexer functions */
 
 static int apple_gpio_pinmux_set(struct pinctrl_dev *pctldev, unsigned func,
-                                 unsigned group)
+                                unsigned group)
 {
        struct apple_gpio_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);
 
@@ -237,7 +237,7 @@ static int apple_gpio_direction_input(struct gpio_chip *chip, unsigned int offse
 }
 
 static int apple_gpio_direction_output(struct gpio_chip *chip,
-                                       unsigned int offset, int value)
+                                      unsigned int offset, int value)
 {
        struct apple_gpio_pinctrl *pctl = gpiochip_get_data(chip);
 
@@ -282,7 +282,7 @@ static void apple_gpio_irq_mask(struct irq_data *data)
        struct apple_gpio_pinctrl *pctl = gpiochip_get_data(gc);
 
        apple_gpio_set_reg(pctl, data->hwirq, REG_GPIOx_MODE,
-                          FIELD_PREP(REG_GPIOx_MODE, REG_GPIOx_IN_IRQ_OFF));
+                          FIELD_PREP(REG_GPIOx_MODE, REG_GPIOx_IN_IRQ_OFF));
        gpiochip_disable_irq(gc, data->hwirq);
 }
 
@@ -294,7 +294,7 @@ static void apple_gpio_irq_unmask(struct irq_data *data)
 
        gpiochip_enable_irq(gc, data->hwirq);
        apple_gpio_set_reg(pctl, data->hwirq, REG_GPIOx_MODE,
-                          FIELD_PREP(REG_GPIOx_MODE, irqtype));
+                          FIELD_PREP(REG_GPIOx_MODE, irqtype));
 }
 
 static unsigned int apple_gpio_irq_startup(struct irq_data *data)
@@ -303,7 +303,7 @@ static unsigned int apple_gpio_irq_startup(struct irq_data *data)
        struct apple_gpio_pinctrl *pctl = gpiochip_get_data(chip);
 
        apple_gpio_set_reg(pctl, data->hwirq, REG_GPIOx_GRP,
-                          FIELD_PREP(REG_GPIOx_GRP, 0));
+                          FIELD_PREP(REG_GPIOx_GRP, 0));
 
        apple_gpio_direction_input(chip, data->hwirq);
        apple_gpio_irq_unmask(data);
@@ -320,7 +320,7 @@ static int apple_gpio_irq_set_type(struct irq_data *data, unsigned int type)
                return -EINVAL;
 
        apple_gpio_set_reg(pctl, data->hwirq, REG_GPIOx_MODE,
-                          FIELD_PREP(REG_GPIOx_MODE, irqtype));
+                          FIELD_PREP(REG_GPIOx_MODE, irqtype));
 
        if (type & IRQ_TYPE_LEVEL_MASK)
                irq_set_handler_locked(data, handle_level_irq);
@@ -429,7 +429,7 @@ static int apple_gpio_pinctrl_probe(struct platform_device *pdev)
        unsigned int npins;
        const char **pin_names;
        unsigned int *pin_nums;
-       static const charpinmux_functions[] = {
+       static const char *pinmux_functions[] = {
                "gpio", "periph1", "periph2", "periph3"
        };
        unsigned int i, nirqs = 0;