From: Bernard Zhao <bernard@vivo.com>
To: Rob Clark <robdclark@gmail.com>, Sean Paul <sean@poorly.run>,
David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
Kuogee Hsieh <khsieh@codeaurora.org>,
Stephen Boyd <swboyd@chromium.org>,
Abhinav Kumar <abhinavk@codeaurora.org>,
Tanmay Shah <tanmay@codeaurora.org>,
Chandan Uddaraju <chandanu@codeaurora.org>,
Bernard Zhao <bernard@vivo.com>,
linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org,
freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: [PATCH] drm/msm: remove unneeded variable ret
Date: Wed, 7 Apr 2021 06:06:21 -0700 [thread overview]
Message-ID: <20210407130654.3387-1-bernard@vivo.com> (raw)
This patch fix coccicheck warning:
drivers/gpu/drm/msm/dp/dp_link.c:848:5-8: Unneeded variable: "ret". Return "0" on line 880
Also remove unneeded function return value check.
Signed-off-by: Bernard Zhao <bernard@vivo.com>
---
drivers/gpu/drm/msm/dp/dp_link.c | 15 +++------------
1 file changed, 3 insertions(+), 12 deletions(-)
diff --git a/drivers/gpu/drm/msm/dp/dp_link.c b/drivers/gpu/drm/msm/dp/dp_link.c
index be986da78c4a..3395b08155a6 100644
--- a/drivers/gpu/drm/msm/dp/dp_link.c
+++ b/drivers/gpu/drm/msm/dp/dp_link.c
@@ -843,10 +843,8 @@ bool dp_link_send_edid_checksum(struct dp_link *dp_link, u8 checksum)
return ret == 1;
}
-static int dp_link_parse_vx_px(struct dp_link_private *link)
+static void dp_link_parse_vx_px(struct dp_link_private *link)
{
- int ret = 0;
-
DRM_DEBUG_DP("vx: 0=%d, 1=%d, 2=%d, 3=%d\n",
drm_dp_get_adjust_request_voltage(link->link_status, 0),
drm_dp_get_adjust_request_voltage(link->link_status, 1),
@@ -876,8 +874,6 @@ static int dp_link_parse_vx_px(struct dp_link_private *link)
DRM_DEBUG_DP("Requested: v_level = 0x%x, p_level = 0x%x\n",
link->dp_link.phy_params.v_level,
link->dp_link.phy_params.p_level);
-
- return ret;
}
/**
@@ -891,8 +887,6 @@ static int dp_link_parse_vx_px(struct dp_link_private *link)
static int dp_link_process_phy_test_pattern_request(
struct dp_link_private *link)
{
- int ret = 0;
-
if (!(link->request.test_requested & DP_TEST_LINK_PHY_TEST_PATTERN)) {
DRM_DEBUG_DP("no phy test\n");
return -EINVAL;
@@ -918,12 +912,9 @@ static int dp_link_process_phy_test_pattern_request(
link->dp_link.link_params.rate =
drm_dp_bw_code_to_link_rate(link->request.test_link_rate);
- ret = dp_link_parse_vx_px(link);
-
- if (ret)
- DRM_ERROR("parse_vx_px failed. ret=%d\n", ret);
+ dp_link_parse_vx_px(link);
- return ret;
+ return 0;
}
static u8 get_link_status(const u8 link_status[DP_LINK_STATUS_SIZE], int r)
--
2.31.0
next reply other threads:[~2021-04-07 13:08 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-07 13:06 Bernard Zhao [this message]
2021-04-07 17:55 ` [Freedreno] " abhinavk
2021-04-07 18:22 ` Stephen Boyd
2021-05-26 0:55 ` Dmitry Baryshkov
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