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authorBernard Zhao <bernard@vivo.com>2021-04-07 16:06:21 +0300
committerRob Clark <robdclark@chromium.org>2021-06-23 17:33:53 +0300
commit7d21fb8af5db8aec617a001ad87c2a0f25c24634 (patch)
tree03183ec4b2e40c1700f20eb49b0b08d0125a4f83 /drivers
parent614f94b5416d3fdc3fb96876092a43872eff57a4 (diff)
downloadlinux-7d21fb8af5db8aec617a001ad87c2a0f25c24634.tar.xz
drm/msm: remove unneeded variable ret
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> Link: https://lore.kernel.org/r/20210407130654.3387-1-bernard@vivo.com Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Signed-off-by: Rob Clark <robdclark@chromium.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/msm/dp/dp_link.c15
1 files 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)