video: fbdev: sh_mobile_lcdcfb: Remove redundant null check before clk_prepare_enable/clk_disable_unprepare
Because clk_prepare_enable() and clk_disable_unprepare() already checked NULL clock parameter, so the additional checks are unnecessary, just remove them. Signed-off-by: Xu Wang <vulab@iscas.ac.cn> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/20201014085722.26069-1-vulab@iscas.ac.cn
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@ -341,8 +341,7 @@ static void lcdc_wait_bit(struct sh_mobile_lcdc_priv *priv,
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static void sh_mobile_lcdc_clk_on(struct sh_mobile_lcdc_priv *priv)
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{
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if (atomic_inc_and_test(&priv->hw_usecnt)) {
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if (priv->dot_clk)
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clk_prepare_enable(priv->dot_clk);
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clk_prepare_enable(priv->dot_clk);
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pm_runtime_get_sync(priv->dev);
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}
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}
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@ -351,8 +350,7 @@ static void sh_mobile_lcdc_clk_off(struct sh_mobile_lcdc_priv *priv)
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{
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if (atomic_sub_return(1, &priv->hw_usecnt) == -1) {
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pm_runtime_put(priv->dev);
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if (priv->dot_clk)
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clk_disable_unprepare(priv->dot_clk);
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clk_disable_unprepare(priv->dot_clk);
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}
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}
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