summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorDouglas Anderson <dianders@chromium.org>2018-07-02 15:59:37 -0700
committerLinus Walleij <linus.walleij@linaro.org>2018-07-09 13:09:21 +0200
commit63f3fb8d7ccb813e0a1f2ceedb9a3ebe2685b620 (patch)
treefdaf2717922f536829efd148711f1696abd38d13
parent23ee0f192033ac6742fc179699d91336a000aef5 (diff)
pinctrl: Document pin_config_group_get() return codes like pin_config_get()
The pinconf_generic_dump_one() function makes the assumption that pin_config_group_get() should return -EINVAL and -ENOTSUPP just like pin_config_get() does. Document that so it's more obvious. Signed-off-by: Douglas Anderson <dianders@chromium.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
-rw-r--r--include/linux/pinctrl/pinconf.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/pinctrl/pinconf.h b/include/linux/pinctrl/pinconf.h
index 09eb80f2574a..8dd85d302b90 100644
--- a/include/linux/pinctrl/pinconf.h
+++ b/include/linux/pinctrl/pinconf.h
@@ -28,7 +28,8 @@ struct seq_file;
* is not available on this controller this should return -ENOTSUPP
* and if it is available but disabled it should return -EINVAL
* @pin_config_set: configure an individual pin
- * @pin_config_group_get: get configurations for an entire pin group
+ * @pin_config_group_get: get configurations for an entire pin group; should
+ * return -ENOTSUPP and -EINVAL using the same rules as pin_config_get.
* @pin_config_group_set: configure all pins in a group
* @pin_config_dbg_parse_modify: optional debugfs to modify a pin configuration
* @pin_config_dbg_show: optional debugfs display hook that will provide