Message ID | 20250507193538.2140862-1-vladimir.zapolskiy@linaro.org |
---|---|
State | New |
Headers | show |
Series | drm/msm: mdss: use devres version of interface to populate children devices | expand |
On Wed, May 07, 2025 at 10:35:38PM +0300, Vladimir Zapolskiy wrote: > Trivial change, there is a managed device resource version of > of_platform_populate(), and its usage simplifies the code a bit. > > Signed-off-by: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org> > --- > drivers/gpu/drm/msm/msm_mdss.c | 4 +--- > 1 file changed, 1 insertion(+), 3 deletions(-) > > diff --git a/drivers/gpu/drm/msm/msm_mdss.c b/drivers/gpu/drm/msm/msm_mdss.c > index dcb49fd30402..116e8f93f8c8 100644 > --- a/drivers/gpu/drm/msm/msm_mdss.c > +++ b/drivers/gpu/drm/msm/msm_mdss.c > @@ -550,7 +550,7 @@ static int mdss_probe(struct platform_device *pdev) > * Populate the children devices, find the MDP5/DPU node, and then add > * the interfaces to our components list. > */ > - ret = of_platform_populate(dev->of_node, NULL, NULL, dev); > + ret = devm_of_platform_populate(dev); > if (ret) { > DRM_DEV_ERROR(dev, "failed to populate children devices\n"); > msm_mdss_destroy(mdss); > @@ -564,8 +564,6 @@ static void mdss_remove(struct platform_device *pdev) > { > struct msm_mdss *mdss = platform_get_drvdata(pdev); > > - of_platform_depopulate(&pdev->dev); > - > msm_mdss_destroy(mdss); Unfortunately this means that the child devices will still exist after destroying the MDSS (IRQ domain, etc). So, it seems it can not land as is. > } > > -- > 2.45.2 >
diff --git a/drivers/gpu/drm/msm/msm_mdss.c b/drivers/gpu/drm/msm/msm_mdss.c index dcb49fd30402..116e8f93f8c8 100644 --- a/drivers/gpu/drm/msm/msm_mdss.c +++ b/drivers/gpu/drm/msm/msm_mdss.c @@ -550,7 +550,7 @@ static int mdss_probe(struct platform_device *pdev) * Populate the children devices, find the MDP5/DPU node, and then add * the interfaces to our components list. */ - ret = of_platform_populate(dev->of_node, NULL, NULL, dev); + ret = devm_of_platform_populate(dev); if (ret) { DRM_DEV_ERROR(dev, "failed to populate children devices\n"); msm_mdss_destroy(mdss); @@ -564,8 +564,6 @@ static void mdss_remove(struct platform_device *pdev) { struct msm_mdss *mdss = platform_get_drvdata(pdev); - of_platform_depopulate(&pdev->dev); - msm_mdss_destroy(mdss); }
Trivial change, there is a managed device resource version of of_platform_populate(), and its usage simplifies the code a bit. Signed-off-by: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org> --- drivers/gpu/drm/msm/msm_mdss.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)