diff options
Diffstat (limited to 'target/linux/lantiq/patches-3.8/0007-PINCTRL-lantiq-add-pin_config_group_set-support.patch')
| -rw-r--r-- | target/linux/lantiq/patches-3.8/0007-PINCTRL-lantiq-add-pin_config_group_set-support.patch | 150 |
1 files changed, 0 insertions, 150 deletions
diff --git a/target/linux/lantiq/patches-3.8/0007-PINCTRL-lantiq-add-pin_config_group_set-support.patch b/target/linux/lantiq/patches-3.8/0007-PINCTRL-lantiq-add-pin_config_group_set-support.patch deleted file mode 100644 index f82d726229..0000000000 --- a/target/linux/lantiq/patches-3.8/0007-PINCTRL-lantiq-add-pin_config_group_set-support.patch +++ /dev/null @@ -1,150 +0,0 @@ -From 325ba34823f454c35c814d72022ba736ad56a1d4 Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Wed, 30 Jan 2013 18:21:48 +0100 -Subject: [PATCH 07/40] PINCTRL: lantiq: add pin_config_group_set support - -While converting all the boards supported by OpenWrt to OF I noticed that this -feature is missing. Adding it makes the devicetrees more readable. - -Signed-off-by: John Crispin <blogic@openwrt.org> ---- - drivers/pinctrl/pinctrl-lantiq.c | 54 ++++++++++++++++++++++++-------------- - drivers/pinctrl/pinctrl-xway.c | 15 +++++++++++ - 2 files changed, 49 insertions(+), 20 deletions(-) - ---- a/drivers/pinctrl/pinctrl-lantiq.c -+++ b/drivers/pinctrl/pinctrl-lantiq.c -@@ -64,11 +64,13 @@ static void ltq_pinctrl_pin_dbg_show(str - seq_printf(s, " %s", dev_name(pctldev->dev)); - } - --static int ltq_pinctrl_dt_subnode_to_map(struct pinctrl_dev *pctldev, -+static void ltq_pinctrl_dt_subnode_to_map(struct pinctrl_dev *pctldev, - struct device_node *np, - struct pinctrl_map **map) - { - struct ltq_pinmux_info *info = pinctrl_dev_get_drvdata(pctldev); -+ struct property *pins = of_find_property(np, "lantiq,pins", NULL); -+ struct property *groups = of_find_property(np, "lantiq,groups", NULL); - unsigned long configs[3]; - unsigned num_configs = 0; - struct property *prop; -@@ -76,8 +78,20 @@ static int ltq_pinctrl_dt_subnode_to_map - const char *function; - int ret, i; - -+ if (!pins && !groups) { -+ dev_err(pctldev->dev, "%s defines neither pins nor groups\n", -+ np->name); -+ return; -+ } -+ -+ if (pins && groups) { -+ dev_err(pctldev->dev, "%s defines both pins and groups\n", -+ np->name); -+ return; -+ } -+ - ret = of_property_read_string(np, "lantiq,function", &function); -- if (!ret) { -+ if (groups && !ret) { - of_property_for_each_string(np, "lantiq,groups", prop, group) { - (*map)->type = PIN_MAP_TYPE_MUX_GROUP; - (*map)->name = function; -@@ -85,11 +99,6 @@ static int ltq_pinctrl_dt_subnode_to_map - (*map)->data.mux.function = function; - (*map)++; - } -- if (of_find_property(np, "lantiq,pins", NULL)) -- dev_err(pctldev->dev, -- "%s mixes pins and groups settings\n", -- np->name); -- return 0; - } - - for (i = 0; i < info->num_params; i++) { -@@ -103,7 +112,7 @@ static int ltq_pinctrl_dt_subnode_to_map - } - - if (!num_configs) -- return -EINVAL; -+ return; - - of_property_for_each_string(np, "lantiq,pins", prop, pin) { - (*map)->data.configs.configs = kmemdup(configs, -@@ -115,7 +124,16 @@ static int ltq_pinctrl_dt_subnode_to_map - (*map)->data.configs.num_configs = num_configs; - (*map)++; - } -- return 0; -+ of_property_for_each_string(np, "lantiq,groups", prop, group) { -+ (*map)->data.configs.configs = kmemdup(configs, -+ num_configs * sizeof(unsigned long), -+ GFP_KERNEL); -+ (*map)->type = PIN_MAP_TYPE_CONFIGS_GROUP; -+ (*map)->name = group; -+ (*map)->data.configs.group_or_pin = group; -+ (*map)->data.configs.num_configs = num_configs; -+ (*map)++; -+ } - } - - static int ltq_pinctrl_dt_subnode_size(struct device_node *np) -@@ -135,23 +153,19 @@ static int ltq_pinctrl_dt_node_to_map(st - { - struct pinctrl_map *tmp; - struct device_node *np; -- int ret; -+ int max_maps = 0; - -- *num_maps = 0; - for_each_child_of_node(np_config, np) -- *num_maps += ltq_pinctrl_dt_subnode_size(np); -- *map = kzalloc(*num_maps * sizeof(struct pinctrl_map), GFP_KERNEL); -+ max_maps += ltq_pinctrl_dt_subnode_size(np); -+ *map = kzalloc(max_maps * sizeof(struct pinctrl_map) * 2, GFP_KERNEL); - if (!*map) - return -ENOMEM; - tmp = *map; - -- for_each_child_of_node(np_config, np) { -- ret = ltq_pinctrl_dt_subnode_to_map(pctldev, np, &tmp); -- if (ret < 0) { -- ltq_pinctrl_dt_free_map(pctldev, *map, *num_maps); -- return ret; -- } -- } -+ for_each_child_of_node(np_config, np) -+ ltq_pinctrl_dt_subnode_to_map(pctldev, np, &tmp); -+ *num_maps = ((int)(tmp - *map)); -+ - return 0; - } - ---- a/drivers/pinctrl/pinctrl-xway.c -+++ b/drivers/pinctrl/pinctrl-xway.c -@@ -522,9 +522,24 @@ static int xway_pinconf_set(struct pinct - return 0; - } - -+int xway_pinconf_group_set(struct pinctrl_dev *pctldev, -+ unsigned selector, -+ unsigned long config) -+{ -+ struct ltq_pinmux_info *info = pinctrl_dev_get_drvdata(pctldev); -+ int i, ret = 0; -+ -+ for (i = 0; i < info->grps[selector].npins && !ret; i++) -+ ret = xway_pinconf_set(pctldev, -+ info->grps[selector].pins[i], config); -+ -+ return ret; -+} -+ - static struct pinconf_ops xway_pinconf_ops = { - .pin_config_get = xway_pinconf_get, - .pin_config_set = xway_pinconf_set, -+ .pin_config_group_set = xway_pinconf_group_set, - }; - - static struct pinctrl_desc xway_pctrl_desc = { |