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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Matthias Sir, After applying this patch, SVS probes fail as below on my MT8192 platform. If thing isn't too late, please do not merge this patch. I'll ask Ricardo how to reproduce this issue and give the correct solution. Thanks in advance. #MT8192 platform SVS probe fail log [ 10.209430] SVSB_GPU_LOW: init02 completion timeout [ 10.214402] mtk-svs 1100b000.svs: svs start fail: -16 [ 10.219479] mtk-svs: probe of 1100b000.svs failed with error -16 Hi Ricardo, Could you share us how you reproduce this issue? I have MT8192 Chromebook and can give it a try to reproduce the issue you encountered. Thanks a lot. Sincerely, Roger Lu. On Fri, 2022-12-16 at 13:47 +0100, Matthias Brugger wrote: > > On 30/11/2022 12:00, AngeloGioacchino Del Regno wrote: > > Il 27/11/22 21:22, Ricardo Ribalda ha scritto: > > > If the system does not come from reset (like when is booted via > > > kexec()), the peripheral might triger an IRQ before the data structures > > > are initialised. > > > > > > Fixes: > > > > > > [ 0.227710] Unable to handle kernel NULL pointer dereference at > > > virtual > > > address 0000000000000f08 > > > [ 0.227913] Call trace: > > > [ 0.227918] svs_isr+0x8c/0x538 > > > > > > Signed-off-by: Ricardo Ribalda > > > > Reviewed-by: AngeloGioacchino Del Regno < > > angelogioacchino.delregno@collabora.com> > > > > > > Applied thanks! > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel