Commit 02b50ce4 authored by Dong Aisheng's avatar Dong Aisheng Committed by Linus Walleij
Browse files

pinctrl: make pinmux disable function optional 



Some SoCs may not have pinmux disable function in HW.

Acked-by: default avatarStephen Warren <swarren@wwwdotorg.org>
Signed-off-by: default avatarDong Aisheng <dong.aisheng@linaro.org>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent c95df2db

drivers/pinctrl/pinmux.c

+3 −3
Original line number Diff line number Diff line
@@ -41,8 +41,7 @@ int pinmux_check_ops(struct pinctrl_dev *pctldev) 
	    !ops->get_functions_count ||

	    !ops->get_function_name ||

	    !ops->get_function_groups ||

	    !ops->enable ||

	    !ops->disable) {

	    !ops->enable) {

		dev_err(pctldev->dev, "pinmux ops lacks necessary functions\n");

		return -EINVAL;

	}
@@ -497,6 +496,7 @@ void pinmux_disable_setting(struct pinctrl_setting const *setting) 
		desc->mux_setting = NULL;

	}



	if (ops->disable)

		ops->disable(pctldev, setting->data.mux.func, setting->data.mux.group);

}