[PATCH] drm/msm: mdss: use devres version of interface to populate children devices
Dmitry Baryshkov
dmitry.baryshkov at oss.qualcomm.com
Wed May 7 21:24:41 UTC 2025
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 at 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
>
--
With best wishes
Dmitry
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