linux-kernel - [PATCH -next] drm/panfrost: simplify the return expression of panfrost_devfreq

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Message-ID: <20200921131021.91604-1-miaoqinglang@huawei.com>
Date:   Mon, 21 Sep 2020 21:10:21 +0800
From:   Qinglang Miao <miaoqinglang@...wei.com>
To:     Rob Herring <robh@...nel.org>,
        Tomeu Vizoso <tomeu.vizoso@...labora.com>,
        Steven Price <steven.price@....com>,
        Alyssa Rosenzweig <alyssa.rosenzweig@...labora.com>,
        David Airlie <airlied@...ux.ie>,
        "Daniel Vetter" <daniel@...ll.ch>
CC:     <dri-devel@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>,
        Qinglang Miao <miaoqinglang@...wei.com>
Subject: [PATCH -next] drm/panfrost: simplify the return expression of panfrost_devfreq_target()

Simplify the return expression.

Signed-off-by: Qinglang Miao <miaoqinglang@...wei.com>
---
 drivers/gpu/drm/panfrost/panfrost_devfreq.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/panfrost/panfrost_devfreq.c b/drivers/gpu/drm/panfrost/panfrost_devfreq.c
index 8ab025d00..913eaa6d0 100644
--- a/drivers/gpu/drm/panfrost/panfrost_devfreq.c
+++ b/drivers/gpu/drm/panfrost/panfrost_devfreq.c
@@ -29,18 +29,13 @@ static int panfrost_devfreq_target(struct device *dev, unsigned long *freq,
 				   u32 flags)
 {
 	struct dev_pm_opp *opp;
-	int err;
 
 	opp = devfreq_recommended_opp(dev, freq, flags);
 	if (IS_ERR(opp))
 		return PTR_ERR(opp);
 	dev_pm_opp_put(opp);
 
-	err = dev_pm_opp_set_rate(dev, *freq);
-	if (err)
-		return err;
-
-	return 0;
+	return dev_pm_opp_set_rate(dev, *freq);
 }
 
 static void panfrost_devfreq_reset(struct panfrost_devfreq *pfdevfreq)
-- 
2.23.0