diff options
| author |   Jon Hunter <jonathanh@nvidia.com> | 2015-07-14 11:17:58 +0100 |
|---|---|---|
| committer |   Linus Walleij <linus.walleij@linaro.org> | 2015-07-17 14:19:34 +0200 |
| commit | 75629981069cf194336426bbbfb03f9c93d7ad67 (patch) | |
| tree | 8c8caf566b5c2f0af9f21c02ae73793b98c9b00d /drivers/pinctrl/pinconf.c | |
| parent | pinctrl: qcom: Hook pm_power_down for shutdown support (diff) | |
| download | linux-dev-75629981069cf194336426bbbfb03f9c93d7ad67.tar.xz linux-dev-75629981069cf194336426bbbfb03f9c93d7ad67.zip | |
pinctrl: pinconf: Allow groups to be configured via debugfs
The function pinconf_dbg_config_write() currently only supports configuring
a pin configuration mapping via the debugfs. Allow group mappings to also
be configured via the debugfs.
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl/pinconf.c')
| -rw-r--r-- | drivers/pinctrl/pinconf.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/drivers/pinctrl/pinconf.c b/drivers/pinctrl/pinconf.c index 1fc09dc20199..4744d6363dfb 100644 --- a/drivers/pinctrl/pinconf.c +++ b/drivers/pinctrl/pinconf.c @@ -470,10 +470,12 @@ exit: * pinconf_dbg_config_write() - modify the pinctrl config in the pinctrl * map, of a dev/pin/state entry based on user entries to pinconf-config * @user_buf: contains the modification request with expected format: - * modify config_pin <devicename> <state> <pinname> <newvalue> + * modify <config> <devicename> <state> <name> <newvalue> * modify is literal string, alternatives like add/delete not supported yet - * config_pin is literal, alternatives like config_mux not supported yet - * <devicename> <state> <pinname> are values that should match the pinctrl-maps + * <config> is the configuration to be changed. Supported configs are + * "config_pin" or "config_group", alternatives like config_mux are not + * supported yet. + * <devicename> <state> <name> are values that should match the pinctrl-maps * <newvalue> reflects the new config and is driver dependant */ static ssize_t pinconf_dbg_config_write(struct file *file, @@ -511,13 +513,19 @@ static ssize_t pinconf_dbg_config_write(struct file *file, if (strcmp(token, "modify")) return -EINVAL; - /* Get arg type: "config_pin" type supported so far */ + /* + * Get arg type: "config_pin" and "config_group" + * types are supported so far + */ token = strsep(&b, " "); if (!token) return -EINVAL; - if (strcmp(token, "config_pin")) + if (!strcmp(token, "config_pin")) + dbg->map_type = PIN_MAP_TYPE_CONFIGS_PIN; + else if (!strcmp(token, "config_group")) + dbg->map_type = PIN_MAP_TYPE_CONFIGS_GROUP; + else return -EINVAL; - dbg->map_type = PIN_MAP_TYPE_CONFIGS_PIN; /* get arg 'device_name' */ token = strsep(&b, " "); |