From: Dan Carpenter dan.carpenter@oracle.com
stable inclusion from stable-5.10.75 commit c6b2400095ba232b1f2a0a499c2d7847940a9a2e bugzilla: 182987 https://gitee.com/openeuler/kernel/issues/I4I3MP
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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commit c8f01ffc83923a91e8087aaa077de13354a7aa59 upstream.
This disables a lock which wasn't enabled and it does not disable the first lock in the array.
Fixes: 6e0eb52eba9e ("drm/msm/dsi: Parse bus clocks from a list") Signed-off-by: Dan Carpenter dan.carpenter@oracle.com Reviewed-by: Dmitry Baryshkov dmitry.baryshkov@linaro.org Link: https://lore.kernel.org/r/20211001123409.GG2283@kili Signed-off-by: Dmitry Baryshkov dmitry.baryshkov@linaro.org Signed-off-by: Rob Clark robdclark@chromium.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Chen Jun chenjun102@huawei.com Acked-by: Weilong Chen chenweilong@huawei.com
Signed-off-by: Chen Jun chenjun102@huawei.com --- drivers/gpu/drm/msm/dsi/dsi_host.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c index b17ac6c27554..96b5dcf8e454 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_host.c +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -464,7 +464,7 @@ static int dsi_bus_clk_enable(struct msm_dsi_host *msm_host)
return 0; err: - for (; i > 0; i--) + while (--i >= 0) clk_disable_unprepare(msm_host->bus_clks[i]);
return ret;