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drm/panel: simple: Remove unneeded gpiod NULL check
The gpiod API checks for NULL descriptors, so there is no need to duplicate the check in the driver. Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com> Signed-off-by: Thierry Reding <treding@nvidia.com> Link: https://patchwork.freedesktop.org/patch/msgid/1500249939-8075-1-git-send-email-festevam@gmail.com
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@ -187,8 +187,7 @@ static int panel_simple_unprepare(struct drm_panel *panel)
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if (!p->prepared)
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return 0;
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if (p->enable_gpio)
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gpiod_set_value_cansleep(p->enable_gpio, 0);
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gpiod_set_value_cansleep(p->enable_gpio, 0);
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regulator_disable(p->supply);
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@ -214,8 +213,7 @@ static int panel_simple_prepare(struct drm_panel *panel)
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return err;
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}
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if (p->enable_gpio)
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gpiod_set_value_cansleep(p->enable_gpio, 1);
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gpiod_set_value_cansleep(p->enable_gpio, 1);
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if (p->desc->delay.prepare)
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msleep(p->desc->delay.prepare);
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