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drm: bridge: dw-hdmi: Remove redundant null check before clk_disable_unprepare

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Because clk_disable_unprepare() already checked NULL clock parameter,
so the additional check is unnecessary, just remove them.

Signed-off-by: Xu Wang <vulab@iscas.ac.cn>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
This commit is contained in:
Xu Wang 2020-11-27 09:23:32 +00:00 committed by Laurent Pinchart
parent a9a472aab9
commit 0647bf1556
1 changed files with 2 additions and 4 deletions
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6
drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
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@ -3440,8 +3440,7 @@ struct dw_hdmi *dw_hdmi_probe(struct platform_device *pdev,
err_iahb:
clk_disable_unprepare(hdmi->iahb_clk);
if (hdmi->cec_clk)
clk_disable_unprepare(hdmi->cec_clk);
clk_disable_unprepare(hdmi->cec_clk);
err_isfr:
clk_disable_unprepare(hdmi->isfr_clk);
err_res:
@ -3465,8 +3464,7 @@ void dw_hdmi_remove(struct dw_hdmi *hdmi)
clk_disable_unprepare(hdmi->iahb_clk);
clk_disable_unprepare(hdmi->isfr_clk);
if (hdmi->cec_clk)
clk_disable_unprepare(hdmi->cec_clk);
clk_disable_unprepare(hdmi->cec_clk);
if (hdmi->i2c)
i2c_del_adapter(&hdmi->i2c->adap);