Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 75629981 authored by Jon Hunter's avatar Jon Hunter Committed by Linus Walleij
Browse files

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: default avatarJon Hunter <jonathanh@nvidia.com>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent ad644987

drivers/pinctrl/pinconf.c

+14 −6
Original line number Diff line number Diff line
@@ -470,10 +470,12 @@ static int pinconf_dbg_config_print(struct seq_file *s, void *d) 
 * 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"))

		return -EINVAL;

	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;



	/* get arg 'device_name' */

	token = strsep(&b, " ");