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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Jun 2025 16:21:49.1598 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 282499e1-c73d-40c0-c3b7-08dda9cd3bbb X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BL02EPF0001A106.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW4PR12MB7336 Content-Type: text/plain; charset="utf-8" Implement shutdown hook to ensure dmaengine could be stopped inorder for kexec to restart the new kernel. Signed-off-by: Abin Joseph --- drivers/dma/xilinx/zynqmp_dma.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/dma/xilinx/zynqmp_dma.c b/drivers/dma/xilinx/zynqmp_dm= a.c index d05fc5fcc77d..8f9f1ef4f0bf 100644 --- a/drivers/dma/xilinx/zynqmp_dma.c +++ b/drivers/dma/xilinx/zynqmp_dma.c @@ -1178,6 +1178,18 @@ static void zynqmp_dma_remove(struct platform_device= *pdev) zynqmp_dma_runtime_suspend(zdev->dev); } =20 +/** + * zynqmp_dma_shutdown - Driver shutdown function + * @pdev: Pointer to the platform_device structure + */ +static void zynqmp_dma_shutdown(struct platform_device *pdev) +{ + struct zynqmp_dma_device *zdev =3D platform_get_drvdata(pdev); + + zynqmp_dma_chan_remove(zdev->chan); + pm_runtime_disable(zdev->dev); +} + static const struct of_device_id zynqmp_dma_of_match[] =3D { { .compatible =3D "amd,versal2-dma-1.0", .data =3D &versal2_dma_config }, { .compatible =3D "xlnx,zynqmp-dma-1.0", }, @@ -1193,6 +1205,7 @@ static struct platform_driver zynqmp_dma_driver =3D { }, .probe =3D zynqmp_dma_probe, .remove =3D zynqmp_dma_remove, + .shutdown =3D zynqmp_dma_shutdown, }; =20 module_platform_driver(zynqmp_dma_driver); --=20 2.34.1