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path: root/drivers/pinctrl/pinconf.c
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Diffstat (limited to 'drivers/pinctrl/pinconf.c')
-rw-r--r--drivers/pinctrl/pinconf.c73
1 files changed, 31 insertions, 42 deletions
diff --git a/drivers/pinctrl/pinconf.c b/drivers/pinctrl/pinconf.c
index e875f21a590..a138965c01c 100644
--- a/drivers/pinctrl/pinconf.c
+++ b/drivers/pinctrl/pinconf.c
@@ -158,7 +158,7 @@ int pinconf_apply_setting(struct pinctrl_setting const *setting)
{
struct pinctrl_dev *pctldev = setting->pctldev;
const struct pinconf_ops *ops = pctldev->desc->confops;
- int i, ret;
+ int ret;
if (!ops) {
dev_err(pctldev->dev, "missing confops\n");
@@ -171,17 +171,15 @@ int pinconf_apply_setting(struct pinctrl_setting const *setting)
dev_err(pctldev->dev, "missing pin_config_set op\n");
return -EINVAL;
}
- for (i = 0; i < setting->data.configs.num_configs; i++) {
- ret = ops->pin_config_set(pctldev,
- setting->data.configs.group_or_pin,
- setting->data.configs.configs[i]);
- if (ret < 0) {
- dev_err(pctldev->dev,
- "pin_config_set op failed for pin %d config %08lx\n",
- setting->data.configs.group_or_pin,
- setting->data.configs.configs[i]);
- return ret;
- }
+ ret = ops->pin_config_set(pctldev,
+ setting->data.configs.group_or_pin,
+ setting->data.configs.configs,
+ setting->data.configs.num_configs);
+ if (ret < 0) {
+ dev_err(pctldev->dev,
+ "pin_config_set op failed for pin %d\n",
+ setting->data.configs.group_or_pin);
+ return ret;
}
break;
case PIN_MAP_TYPE_CONFIGS_GROUP:
@@ -190,17 +188,15 @@ int pinconf_apply_setting(struct pinctrl_setting const *setting)
"missing pin_config_group_set op\n");
return -EINVAL;
}
- for (i = 0; i < setting->data.configs.num_configs; i++) {
- ret = ops->pin_config_group_set(pctldev,
- setting->data.configs.group_or_pin,
- setting->data.configs.configs[i]);
- if (ret < 0) {
- dev_err(pctldev->dev,
- "pin_config_group_set op failed for group %d config %08lx\n",
- setting->data.configs.group_or_pin,
- setting->data.configs.configs[i]);
- return ret;
- }
+ ret = ops->pin_config_group_set(pctldev,
+ setting->data.configs.group_or_pin,
+ setting->data.configs.configs,
+ setting->data.configs.num_configs);
+ if (ret < 0) {
+ dev_err(pctldev->dev,
+ "pin_config_group_set op failed for group %d\n",
+ setting->data.configs.group_or_pin);
+ return ret;
}
break;
default:
@@ -428,12 +424,11 @@ static int pinconf_dbg_config_print(struct seq_file *s, void *d)
{
struct pinctrl_maps *maps_node;
const struct pinctrl_map *map;
- struct pinctrl_dev *pctldev = NULL;
+ const struct pinctrl_map *found = NULL;
+ struct pinctrl_dev *pctldev;
const struct pinconf_ops *confops = NULL;
- const struct pinctrl_map_configs *configs;
struct dbg_cfg *dbg = &pinconf_dbg_conf;
int i, j;
- bool found = false;
unsigned long config;
mutex_lock(&pinctrl_maps_mutex);
@@ -450,14 +445,8 @@ static int pinconf_dbg_config_print(struct seq_file *s, void *d)
for (j = 0; j < map->data.configs.num_configs; j++) {
if (!strcmp(map->data.configs.group_or_pin,
dbg->pin_name)) {
- /*
- * We found the right pin / state, read the
- * config and he pctldev for later use
- */
- configs = &map->data.configs;
- pctldev = get_pinctrl_dev_from_devname
- (map->ctrl_dev_name);
- found = true;
+ /* We found the right pin / state */
+ found = map;
break;
}
}
@@ -473,7 +462,8 @@ static int pinconf_dbg_config_print(struct seq_file *s, void *d)
goto exit;
}
- config = *(configs->configs);
+ pctldev = get_pinctrl_dev_from_devname(found->ctrl_dev_name);
+ config = *found->data.configs.configs;
seq_printf(s, "Dev %s has config of %s in state %s: 0x%08lX\n",
dbg->dev_name, dbg->pin_name,
dbg->state_name, config);
@@ -505,12 +495,12 @@ static int pinconf_dbg_config_write(struct file *file,
{
struct pinctrl_maps *maps_node;
const struct pinctrl_map *map;
- struct pinctrl_dev *pctldev = NULL;
+ const struct pinctrl_map *found = NULL;
+ struct pinctrl_dev *pctldev;
const struct pinconf_ops *confops = NULL;
struct dbg_cfg *dbg = &pinconf_dbg_conf;
const struct pinctrl_map_configs *configs;
char config[MAX_NAME_LEN+1];
- bool found = false;
char buf[128];
char *b = &buf[0];
int buf_size;
@@ -518,7 +508,7 @@ static int pinconf_dbg_config_write(struct file *file,
int i;
/* Get userspace string and assure termination */
- buf_size = min(count, (sizeof(buf)-1));
+ buf_size = min(count, (size_t)(sizeof(buf)-1));
if (copy_from_user(buf, user_buf, buf_size))
return -EFAULT;
buf[buf_size] = 0;
@@ -588,10 +578,7 @@ static int pinconf_dbg_config_write(struct file *file,
/* we found the right pin / state, so overwrite config */
if (!strcmp(map->data.configs.group_or_pin, dbg->pin_name)) {
- found = true;
- pctldev = get_pinctrl_dev_from_devname(
- map->ctrl_dev_name);
- configs = &map->data.configs;
+ found = map;
break;
}
}
@@ -601,10 +588,12 @@ static int pinconf_dbg_config_write(struct file *file,
goto exit;
}
+ pctldev = get_pinctrl_dev_from_devname(found->ctrl_dev_name);
if (pctldev)
confops = pctldev->desc->confops;
if (confops && confops->pin_config_dbg_parse_modify) {
+ configs = &found->data.configs;
for (i = 0; i < configs->num_configs; i++) {
confops->pin_config_dbg_parse_modify(pctldev,
config,