Messages in this thread Patch in this message | | | From | Dong Aisheng <> | Subject | [PATCH 2/5] pinctrl: make pinmux disable function optional | Date | Mon, 14 May 2012 19:06:37 +0800 |
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From: Dong Aisheng <dong.aisheng@linaro.org>
Some SoCs may not have pinmux disable function in HW.
Signed-off-by: Dong Aisheng <dong.aisheng@linaro.org> --- drivers/pinctrl/pinmux.c | 6 +++--- 1 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/pinctrl/pinmux.c b/drivers/pinctrl/pinmux.c index 220fa49..3d5ac73 100644 --- a/drivers/pinctrl/pinmux.c +++ b/drivers/pinctrl/pinmux.c @@ -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; } @@ -497,7 +496,8 @@ void pinmux_disable_setting(struct pinctrl_setting const *setting) desc->mux_setting = NULL; } - ops->disable(pctldev, setting->data.mux.func, setting->data.mux.group); + if (ops->disable) + ops->disable(pctldev, setting->data.mux.func, setting->data.mux.group); } #ifdef CONFIG_DEBUG_FS -- 1.7.0.4
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