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pinctrl: make pinmux disable function optional
Some SoCs may not have pinmux disable function in HW. Acked-by: Stephen Warren <swarren@wwwdotorg.org> Signed-off-by: Dong Aisheng <dong.aisheng@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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@ -41,8 +41,7 @@ int pinmux_check_ops(struct pinctrl_dev *pctldev)
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!ops->get_functions_count ||
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!ops->get_function_name ||
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!ops->get_function_groups ||
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!ops->enable ||
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!ops->disable) {
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!ops->enable) {
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dev_err(pctldev->dev, "pinmux ops lacks necessary functions\n");
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return -EINVAL;
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}
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@ -497,7 +496,8 @@ void pinmux_disable_setting(struct pinctrl_setting const *setting)
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desc->mux_setting = NULL;
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}
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ops->disable(pctldev, setting->data.mux.func, setting->data.mux.group);
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if (ops->disable)
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ops->disable(pctldev, setting->data.mux.func, setting->data.mux.group);
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}
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#ifdef CONFIG_DEBUG_FS
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