diff options
Diffstat (limited to 'drivers/pinctrl/mediatek/pinctrl-mtk-common.c')
| -rw-r--r-- | drivers/pinctrl/mediatek/pinctrl-mtk-common.c | 46 |
1 files changed, 28 insertions, 18 deletions
diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c index 5c717275a..e96e86d2e 100644 --- a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c +++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c @@ -14,7 +14,7 @@ */ #include <linux/io.h> -#include <linux/gpio.h> +#include <linux/gpio/driver.h> #include <linux/module.h> #include <linux/of.h> #include <linux/of_address.h> @@ -95,7 +95,7 @@ static void mtk_gpio_set(struct gpio_chip *chip, unsigned offset, int value) { unsigned int reg_addr; unsigned int bit; - struct mtk_pinctrl *pctl = dev_get_drvdata(chip->dev); + struct mtk_pinctrl *pctl = gpiochip_get_data(chip); reg_addr = mtk_get_port(pctl, offset) + pctl->devdata->dout_offset; bit = BIT(offset & 0xf); @@ -347,6 +347,7 @@ static int mtk_pconf_parse_conf(struct pinctrl_dev *pctldev, ret = mtk_pconf_set_pull_select(pctl, pin, true, false, arg); break; case PIN_CONFIG_INPUT_ENABLE: + mtk_pmx_gpio_set_direction(pctldev, NULL, pin, true); ret = mtk_pconf_set_ies_smt(pctl, pin, arg, param); break; case PIN_CONFIG_OUTPUT: @@ -354,6 +355,7 @@ static int mtk_pconf_parse_conf(struct pinctrl_dev *pctldev, ret = mtk_pmx_gpio_set_direction(pctldev, NULL, pin, false); break; case PIN_CONFIG_INPUT_SCHMITT_ENABLE: + mtk_pmx_gpio_set_direction(pctldev, NULL, pin, true); ret = mtk_pconf_set_ies_smt(pctl, pin, arg, param); break; case PIN_CONFIG_DRIVE_STRENGTH: @@ -509,6 +511,9 @@ static int mtk_pctrl_dt_subnode_to_map(struct pinctrl_dev *pctldev, err = pinconf_generic_parse_dt_config(node, pctldev, &configs, &num_configs); + if (err) + return err; + if (num_configs) has_config = 1; @@ -520,21 +525,23 @@ static int mtk_pctrl_dt_subnode_to_map(struct pinctrl_dev *pctldev, if (has_config && num_pins >= 1) maps_per_pin++; - if (!num_pins || !maps_per_pin) - return -EINVAL; + if (!num_pins || !maps_per_pin) { + err = -EINVAL; + goto exit; + } reserve = num_pins * maps_per_pin; err = pinctrl_utils_reserve_map(pctldev, map, reserved_maps, num_maps, reserve); if (err < 0) - goto fail; + goto exit; for (i = 0; i < num_pins; i++) { err = of_property_read_u32_index(node, "pinmux", i, &pinfunc); if (err) - goto fail; + goto exit; pin = MTK_GET_PIN_NO(pinfunc); func = MTK_GET_PIN_FUNC(pinfunc); @@ -543,20 +550,21 @@ static int mtk_pctrl_dt_subnode_to_map(struct pinctrl_dev *pctldev, func >= ARRAY_SIZE(mtk_gpio_functions)) { dev_err(pctl->dev, "invalid pins value.\n"); err = -EINVAL; - goto fail; + goto exit; } grp = mtk_pctrl_find_group_by_pin(pctl, pin); if (!grp) { dev_err(pctl->dev, "unable to match pin %d to group\n", pin); - return -EINVAL; + err = -EINVAL; + goto exit; } err = mtk_pctrl_dt_node_to_map_func(pctl, pin, func, grp, map, reserved_maps, num_maps); if (err < 0) - goto fail; + goto exit; if (has_config) { err = pinctrl_utils_add_map_configs(pctldev, map, @@ -564,13 +572,14 @@ static int mtk_pctrl_dt_subnode_to_map(struct pinctrl_dev *pctldev, configs, num_configs, PIN_MAP_TYPE_CONFIGS_GROUP); if (err < 0) - goto fail; + goto exit; } } - return 0; + err = 0; -fail: +exit: + kfree(configs); return err; } @@ -591,6 +600,7 @@ static int mtk_pctrl_dt_node_to_map(struct pinctrl_dev *pctldev, &reserved_maps, num_maps); if (ret < 0) { pinctrl_utils_dt_free_map(pctldev, *map, *num_maps); + of_node_put(np); return ret; } } @@ -742,7 +752,7 @@ static int mtk_gpio_get_direction(struct gpio_chip *chip, unsigned offset) unsigned int bit; unsigned int read_val = 0; - struct mtk_pinctrl *pctl = dev_get_drvdata(chip->dev); + struct mtk_pinctrl *pctl = gpiochip_get_data(chip); reg_addr = mtk_get_port(pctl, offset) + pctl->devdata->dir_offset; bit = BIT(offset & 0xf); @@ -755,7 +765,7 @@ static int mtk_gpio_get(struct gpio_chip *chip, unsigned offset) unsigned int reg_addr; unsigned int bit; unsigned int read_val = 0; - struct mtk_pinctrl *pctl = dev_get_drvdata(chip->dev); + struct mtk_pinctrl *pctl = gpiochip_get_data(chip); reg_addr = mtk_get_port(pctl, offset) + pctl->devdata->din_offset; @@ -768,7 +778,7 @@ static int mtk_gpio_get(struct gpio_chip *chip, unsigned offset) static int mtk_gpio_to_irq(struct gpio_chip *chip, unsigned offset) { const struct mtk_desc_pin *pin; - struct mtk_pinctrl *pctl = dev_get_drvdata(chip->dev); + struct mtk_pinctrl *pctl = gpiochip_get_data(chip); int irq; pin = pctl->devdata->pins + offset; @@ -936,7 +946,7 @@ static void mtk_eint_unmask(struct irq_data *d) static int mtk_gpio_set_debounce(struct gpio_chip *chip, unsigned offset, unsigned debounce) { - struct mtk_pinctrl *pctl = dev_get_drvdata(chip->dev); + struct mtk_pinctrl *pctl = dev_get_drvdata(chip->parent); int eint_num, virq, eint_offset; unsigned int set_offset, bit, clr_bit, clr_offset, rst, i, unmask, dbnc; static const unsigned int dbnc_arr[] = {0 , 1, 16, 32, 64, 128, 256}; @@ -1345,10 +1355,10 @@ int mtk_pctrl_init(struct platform_device *pdev, *pctl->chip = mtk_gpio_chip; pctl->chip->ngpio = pctl->devdata->npins; pctl->chip->label = dev_name(&pdev->dev); - pctl->chip->dev = &pdev->dev; + pctl->chip->parent = &pdev->dev; pctl->chip->base = -1; - ret = gpiochip_add(pctl->chip); + ret = gpiochip_add_data(pctl->chip, pctl); if (ret) { ret = -EINVAL; goto pctrl_error; 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