diff mbox series

drm/msm: mdss: use devres version of interface to populate children devices

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

Commit Message

Vladimir Zapolskiy May 7, 2025, 7:35 p.m. UTC
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(-)

Comments

Dmitry Baryshkov May 7, 2025, 9:24 p.m. UTC | #1
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 mbox series

Patch

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);
 }