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author | 2017-10-28 15:37:18 +0200 | |
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committer | 2017-11-08 13:49:56 +0100 | |
commit | 1c5b7f3c3452584d3239f0594904685150c4dc0d (patch) | |
tree | b708537278efc2ec91cf880866c37021eabd2c93 /drivers/pinctrl | |
parent | pinctrl: Add skew-delay pin config and bindings (diff) | |
download | linux-1c5b7f3c3452584d3239f0594904685150c4dc0d.tar.gz linux-1c5b7f3c3452584d3239f0594904685150c4dc0d.tar.bz2 linux-1c5b7f3c3452584d3239f0594904685150c4dc0d.zip |
pinctrl: gemini: Use generic DT parser
We can just use the generic Device Tree parser code
in this driver and save some code.
Acked-by: Hans Ulli Kroll <ulli.kroll@googlemail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl')
-rw-r--r-- | drivers/pinctrl/Kconfig | 1 | ||||
-rw-r--r-- | drivers/pinctrl/pinctrl-gemini.c | 66 |
2 files changed, 5 insertions, 62 deletions
diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig index 5b4939e709ac..92bf1a06162c 100644 --- a/drivers/pinctrl/Kconfig +++ b/drivers/pinctrl/Kconfig @@ -151,6 +151,7 @@ config PINCTRL_GEMINI depends on ARCH_GEMINI default ARCH_GEMINI select PINMUX + select GENERIC_PINCONF select MFD_SYSCON config PINCTRL_MCP23S08 diff --git a/drivers/pinctrl/pinctrl-gemini.c b/drivers/pinctrl/pinctrl-gemini.c index 7ffd768c0e02..18fb5ff8a442 100644 --- a/drivers/pinctrl/pinctrl-gemini.c +++ b/drivers/pinctrl/pinctrl-gemini.c @@ -13,6 +13,8 @@ #include <linux/pinctrl/machine.h> #include <linux/pinctrl/pinctrl.h> #include <linux/pinctrl/pinmux.h> +#include <linux/pinctrl/pinconf.h> +#include <linux/pinctrl/pinconf-generic.h> #include <linux/platform_device.h> #include <linux/slab.h> #include <linux/regmap.h> @@ -1918,73 +1920,13 @@ static void gemini_pin_dbg_show(struct pinctrl_dev *pctldev, struct seq_file *s, seq_printf(s, " " DRIVER_NAME); } -static int gemini_pinctrl_dt_subnode_to_map(struct pinctrl_dev *pctldev, - struct device_node *np, - struct pinctrl_map **map, - unsigned int *reserved_maps, - unsigned int *num_maps) -{ - int ret; - const char *function = NULL; - const char *group; - struct property *prop; - - ret = of_property_read_string(np, "function", &function); - if (ret < 0) - return ret; - - ret = of_property_count_strings(np, "groups"); - if (ret < 0) - return ret; - - ret = pinctrl_utils_reserve_map(pctldev, map, reserved_maps, - num_maps, ret); - if (ret < 0) - return ret; - - of_property_for_each_string(np, "groups", prop, group) { - ret = pinctrl_utils_add_map_mux(pctldev, map, reserved_maps, - num_maps, group, function); - if (ret < 0) - return ret; - pr_debug("ADDED FUNCTION %s <-> GROUP %s\n", - function, group); - } - - return 0; -} - -static int gemini_pinctrl_dt_node_to_map(struct pinctrl_dev *pctldev, - struct device_node *np_config, - struct pinctrl_map **map, - unsigned int *num_maps) -{ - unsigned int reserved_maps = 0; - struct device_node *np; - int ret; - - *map = NULL; - *num_maps = 0; - - for_each_child_of_node(np_config, np) { - ret = gemini_pinctrl_dt_subnode_to_map(pctldev, np, map, - &reserved_maps, num_maps); - if (ret < 0) { - pinctrl_utils_free_map(pctldev, *map, *num_maps); - return ret; - } - } - - return 0; -}; - static const struct pinctrl_ops gemini_pctrl_ops = { .get_groups_count = gemini_get_groups_count, .get_group_name = gemini_get_group_name, .get_group_pins = gemini_get_group_pins, .pin_dbg_show = gemini_pin_dbg_show, - .dt_node_to_map = gemini_pinctrl_dt_node_to_map, - .dt_free_map = pinctrl_utils_free_map, + .dt_node_to_map = pinconf_generic_dt_node_to_map_group, + .dt_free_map = pinconf_generic_dt_free_map, }; /** |