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pinctrl: samsung: constify iomem pointers

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Constify few pointers to iomem, where the destination memory is not
modified, for code safety and readability.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Link: https://lore.kernel.org/r/20231223191902.22857-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Krzysztof Kozlowski 2023-12-23 20:19:02 +01:00 committed by Linus Walleij
parent 7d7cd22dc4
commit 1b09c2b8f8
2 changed files with 4 additions and 4 deletions
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4
drivers/pinctrl/samsung/pinctrl-exynos.c
View file

@ -693,7 +693,7 @@ static void exynos_pinctrl_suspend_bank(
struct samsung_pin_bank *bank)
{
struct exynos_eint_gpio_save *save = bank->soc_priv;
void __iomem *regs = bank->eint_base;
const void __iomem *regs = bank->eint_base;
save->eint_con = readl(regs + EXYNOS_GPIO_ECON_OFFSET
+ bank->eint_offset);
@ -714,7 +714,7 @@ static void exynosauto_pinctrl_suspend_bank(struct samsung_pinctrl_drv_data *drv
struct samsung_pin_bank *bank)
{
struct exynos_eint_gpio_save *save = bank->soc_priv;
void __iomem *regs = bank->eint_base;
const void __iomem *regs = bank->eint_base;
save->eint_con = readl(regs + bank->pctl_offset + bank->eint_con_offset);
save->eint_mask = readl(regs + bank->pctl_offset + bank->eint_mask_offset);

4
drivers/pinctrl/samsung/pinctrl-samsung.c
View file

@ -565,7 +565,7 @@ static void samsung_gpio_set(struct gpio_chip *gc, unsigned offset, int value)
/* gpiolib gpio_get callback function */
static int samsung_gpio_get(struct gpio_chip *gc, unsigned offset)
{
void __iomem *reg;
const void __iomem *reg;
u32 data;
struct samsung_pin_bank *bank = gpiochip_get_data(gc);
const struct samsung_pin_bank_type *type = bank->type;
@ -1204,7 +1204,7 @@ static int __maybe_unused samsung_pinctrl_suspend(struct device *dev)
for (i = 0; i < drvdata->nr_banks; i++) {
struct samsung_pin_bank *bank = &drvdata->pin_banks[i];
void __iomem *reg = bank->pctl_base + bank->pctl_offset;
const void __iomem *reg = bank->pctl_base + bank->pctl_offset;
const u8 *offs = bank->type->reg_offset;
const u8 *widths = bank->type->fld_width;
enum pincfg_type type;