Re: [PATCH 20/42] drm: xlnx: zynqmp_dpsub: Use devm_of_reserved_mem_device_init()

"Pandey, Radhey Shyam" <[email protected]> Tue, 7 Jul 2026 14:43:20 +0530
Newsgroups org.ozlabs.lists.openbmc,dev.linux.lists.imx,dev.linux.lists.linux-staging,dev.linux.lists.linux-sunxi,org.freedesktop.lists.dri-devel,org.infradead.lists.linux-mediatek,org.kernel.vger.linux-arm-msm,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel,org.kernel.vger.linux-media,org.kernel.vger.linux-mips,org.kernel.vger.linux-mmc,org.kernel.vger.linux-remoteproc,org.kernel.vger.linux-sound,org.kernel.vger.linux-tegra,org.ozlabs.lists.linux-aspeed,org.ozlabs.lists.linuxppc-dev
Message-ID <[email protected]>
> Use the devres-managed devm_of_reserved_mem_device_init() instead of
> the manual of_reserved_mem_device_init()/of_reserved_mem_device_release()
> pair, letting the device resource manager handle cleanup automatically.
> 
> Signed-off-by: Mukesh Ojha <[email protected]>

Reviewed-by: Radhey Shyam Pandey <[email protected]>
Thanks!

> ---
>   drivers/gpu/drm/xlnx/zynqmp_dpsub.c | 4 +---
>   1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/xlnx/zynqmp_dpsub.c b/drivers/gpu/drm/xlnx/zynqmp_dpsub.c
> index 53ab1a2a5aaf..e93a7a299b52 100644
> --- a/drivers/gpu/drm/xlnx/zynqmp_dpsub.c
> +++ b/drivers/gpu/drm/xlnx/zynqmp_dpsub.c
> @@ -203,7 +203,7 @@ static int zynqmp_dpsub_probe(struct platform_device *pdev)
>   	dma_set_max_seg_size(&pdev->dev, DMA_BIT_MASK(32));
>   
>   	/* Try the reserved memory. Proceed if there's none. */
> -	of_reserved_mem_device_init(&pdev->dev);
> +	devm_of_reserved_mem_device_init(&pdev->dev);
>   
>   	ret = zynqmp_dpsub_init_clocks(dpsub);
>   	if (ret < 0)
> @@ -255,7 +255,6 @@ static int zynqmp_dpsub_probe(struct platform_device *pdev)
>   	pm_runtime_disable(&pdev->dev);
>   	clk_disable_unprepare(dpsub->apb_clk);
>   err_mem:
> -	of_reserved_mem_device_release(&pdev->dev);
>   	if (!dpsub->drm)
>   		zynqmp_dpsub_release(dpsub);
>   	return ret;
> @@ -276,7 +275,6 @@ static void zynqmp_dpsub_remove(struct platform_device *pdev)
>   
>   	pm_runtime_disable(&pdev->dev);
>   	clk_disable_unprepare(dpsub->apb_clk);
> -	of_reserved_mem_device_release(&pdev->dev);
>   
>   	if (!dpsub->drm)
>   		zynqmp_dpsub_release(dpsub);