diff options
Diffstat (limited to 'drivers/pinctrl/meson/pinctrl-meson.c')
| -rw-r--r-- | drivers/pinctrl/meson/pinctrl-meson.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/drivers/pinctrl/meson/pinctrl-meson.c b/drivers/pinctrl/meson/pinctrl-meson.c index 524424ee6c4e..253a0cc57e39 100644 --- a/drivers/pinctrl/meson/pinctrl-meson.c +++ b/drivers/pinctrl/meson/pinctrl-meson.c @@ -70,7 +70,7 @@ static const unsigned int meson_bit_strides[] = { * Return: 0 on success, a negative value on error */ static int meson_get_bank(struct meson_pinctrl *pc, unsigned int pin, - struct meson_bank **bank) + const struct meson_bank **bank) { int i; @@ -94,11 +94,12 @@ static int meson_get_bank(struct meson_pinctrl *pc, unsigned int pin, * @reg: the computed register offset * @bit: the computed bit */ -static void meson_calc_reg_and_bit(struct meson_bank *bank, unsigned int pin, +static void meson_calc_reg_and_bit(const struct meson_bank *bank, + unsigned int pin, enum meson_reg_type reg_type, unsigned int *reg, unsigned int *bit) { - struct meson_reg_desc *desc = &bank->regs[reg_type]; + const struct meson_reg_desc *desc = &bank->regs[reg_type]; *bit = (desc->bit + pin - bank->first) * meson_bit_strides[reg_type]; *reg = (desc->reg + (*bit / 32)) * 4; @@ -181,7 +182,7 @@ static int meson_pinconf_set_gpio_bit(struct meson_pinctrl *pc, unsigned int reg_type, bool arg) { - struct meson_bank *bank; + const struct meson_bank *bank; unsigned int reg, bit; int ret; @@ -198,7 +199,7 @@ static int meson_pinconf_get_gpio_bit(struct meson_pinctrl *pc, unsigned int pin, unsigned int reg_type) { - struct meson_bank *bank; + const struct meson_bank *bank; unsigned int reg, bit, val; int ret; @@ -261,7 +262,7 @@ static int meson_pinconf_set_output_drive(struct meson_pinctrl *pc, static int meson_pinconf_disable_bias(struct meson_pinctrl *pc, unsigned int pin) { - struct meson_bank *bank; + const struct meson_bank *bank; unsigned int reg, bit = 0; int ret; @@ -280,7 +281,7 @@ static int meson_pinconf_disable_bias(struct meson_pinctrl *pc, static int meson_pinconf_enable_bias(struct meson_pinctrl *pc, unsigned int pin, bool pull_up) { - struct meson_bank *bank; + const struct meson_bank *bank; unsigned int reg, bit, val = 0; int ret; @@ -308,7 +309,7 @@ static int meson_pinconf_set_drive_strength(struct meson_pinctrl *pc, unsigned int pin, u16 drive_strength_ua) { - struct meson_bank *bank; + const struct meson_bank *bank; unsigned int reg, bit, ds_val; int ret; @@ -399,7 +400,7 @@ static int meson_pinconf_set(struct pinctrl_dev *pcdev, unsigned int pin, static int meson_pinconf_get_pull(struct meson_pinctrl *pc, unsigned int pin) { - struct meson_bank *bank; + const struct meson_bank *bank; unsigned int reg, bit, val; int ret, conf; @@ -435,7 +436,7 @@ static int meson_pinconf_get_drive_strength(struct meson_pinctrl *pc, unsigned int pin, u16 *drive_strength_ua) { - struct meson_bank *bank; + const struct meson_bank *bank; unsigned int reg, bit; unsigned int val; int ret; @@ -528,7 +529,7 @@ static int meson_pinconf_group_set(struct pinctrl_dev *pcdev, unsigned long *configs, unsigned num_configs) { struct meson_pinctrl *pc = pinctrl_dev_get_drvdata(pcdev); - struct meson_pmx_group *group = &pc->data->groups[num_group]; + const struct meson_pmx_group *group = &pc->data->groups[num_group]; int i; dev_dbg(pc->dev, "set pinconf for group %s\n", group->name); @@ -587,8 +588,8 @@ static void meson_gpio_set(struct gpio_chip *chip, unsigned gpio, int value) static int meson_gpio_get(struct gpio_chip *chip, unsigned gpio) { struct meson_pinctrl *pc = gpiochip_get_data(chip); + const struct meson_bank *bank; unsigned int reg, bit, val; - struct meson_bank *bank; int ret; ret = meson_get_bank(pc, gpio, &bank); @@ -767,4 +768,5 @@ int meson_pinctrl_probe(struct platform_device *pdev) } EXPORT_SYMBOL_GPL(meson_pinctrl_probe); +MODULE_DESCRIPTION("Amlogic Meson SoCs core pinctrl driver"); MODULE_LICENSE("GPL v2"); |