| Message ID | 20250214-drm-msm-cleanups-v2-1-1bec50f37dc1@linaro.org (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
| Series | drm/msm/dsi: Minor cleanups | expand |
On Fri, Feb 14, 2025 at 02:17:44PM +0100, Krzysztof Kozlowski wrote: > dsi_clk_init(), which gets the clocks, is called only through platform > driver probe and its failure is a failure of the probe. Therefore > NULL-ifying specific clocks is pointless and redundant - the PTR_ERR > value stored there won't be used/dereferenced afterwards. What's more, > variant-specific clock init calls like dsi_clk_init_6g_v2() are not > doing this cleanup. Dropping redundant code allows later to make this a > bit simpler. > > Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com> > Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> > --- > drivers/gpu/drm/msm/dsi/dsi_host.c | 3 --- > 1 file changed, 3 deletions(-) > Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
On 14/02/2025 16:22, Dmitry Baryshkov wrote: > On Fri, Feb 14, 2025 at 02:17:44PM +0100, Krzysztof Kozlowski wrote: >> dsi_clk_init(), which gets the clocks, is called only through platform >> driver probe and its failure is a failure of the probe. Therefore >> NULL-ifying specific clocks is pointless and redundant - the PTR_ERR >> value stored there won't be used/dereferenced afterwards. What's more, >> variant-specific clock init calls like dsi_clk_init_6g_v2() are not >> doing this cleanup. Dropping redundant code allows later to make this a >> bit simpler. >> >> Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com> >> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> >> --- >> drivers/gpu/drm/msm/dsi/dsi_host.c | 3 --- >> 1 file changed, 3 deletions(-) >> > > Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> > Thanks for reviews. Both you and Abhinav reviewed, so I assume this will be applied by Rob? Best regards, Krzysztof
On Fri, Feb 14, 2025 at 04:28:45PM +0100, Krzysztof Kozlowski wrote: > On 14/02/2025 16:22, Dmitry Baryshkov wrote: > > On Fri, Feb 14, 2025 at 02:17:44PM +0100, Krzysztof Kozlowski wrote: > >> dsi_clk_init(), which gets the clocks, is called only through platform > >> driver probe and its failure is a failure of the probe. Therefore > >> NULL-ifying specific clocks is pointless and redundant - the PTR_ERR > >> value stored there won't be used/dereferenced afterwards. What's more, > >> variant-specific clock init calls like dsi_clk_init_6g_v2() are not > >> doing this cleanup. Dropping redundant code allows later to make this a > >> bit simpler. > >> > >> Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com> > >> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> > >> --- > >> drivers/gpu/drm/msm/dsi/dsi_host.c | 3 --- > >> 1 file changed, 3 deletions(-) > >> > > > > Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> > > > > > Thanks for reviews. Both you and Abhinav reviewed, so I assume this will > be applied by Rob? I will pick it up once Abhinav posts msm-fixes
diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c index 007311c21fdaa0462b05d53cd8a2aad0269b1727..397c9f1f588558b2081d6400d2cbae746c900697 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_host.c +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -292,7 +292,6 @@ static int dsi_clk_init(struct msm_dsi_host *msm_host) ret = PTR_ERR(msm_host->byte_clk); pr_err("%s: can't find dsi_byte clock. ret=%d\n", __func__, ret); - msm_host->byte_clk = NULL; goto exit; } @@ -301,7 +300,6 @@ static int dsi_clk_init(struct msm_dsi_host *msm_host) ret = PTR_ERR(msm_host->pixel_clk); pr_err("%s: can't find dsi_pixel clock. ret=%d\n", __func__, ret); - msm_host->pixel_clk = NULL; goto exit; } @@ -310,7 +308,6 @@ static int dsi_clk_init(struct msm_dsi_host *msm_host) ret = PTR_ERR(msm_host->esc_clk); pr_err("%s: can't find dsi_esc clock. ret=%d\n", __func__, ret); - msm_host->esc_clk = NULL; goto exit; }