diff options
Diffstat (limited to 'target/linux/gemini/patches-4.14/0005-pinctrl-gemini-Use-generic-DT-parser.patch')
| -rw-r--r-- | target/linux/gemini/patches-4.14/0005-pinctrl-gemini-Use-generic-DT-parser.patch | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/target/linux/gemini/patches-4.14/0005-pinctrl-gemini-Use-generic-DT-parser.patch b/target/linux/gemini/patches-4.14/0005-pinctrl-gemini-Use-generic-DT-parser.patch new file mode 100644 index 0000000000..5b0bba1cd4 --- /dev/null +++ b/target/linux/gemini/patches-4.14/0005-pinctrl-gemini-Use-generic-DT-parser.patch @@ -0,0 +1,112 @@ +From 09240ae27ffca65518f7b9d2360c020c1b1ddabe Mon Sep 17 00:00:00 2001 +From: Linus Walleij <linus.walleij@linaro.org> +Date: Sat, 28 Oct 2017 15:37:18 +0200 +Subject: [PATCH 05/31] 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> +--- + drivers/pinctrl/Kconfig | 1 + + drivers/pinctrl/pinctrl-gemini.c | 66 +++------------------------------------- + 2 files changed, 5 insertions(+), 62 deletions(-) + +--- a/drivers/pinctrl/Kconfig ++++ b/drivers/pinctrl/Kconfig +@@ -153,6 +153,7 @@ config PINCTRL_GEMINI + depends on ARCH_GEMINI + default ARCH_GEMINI + select PINMUX ++ select GENERIC_PINCONF + select MFD_SYSCON + + config PINCTRL_MCP23S08 +--- 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 p + 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, + }; + + /** |