Re: [PATCH] accel/ethosu: check MMIO mapping errors in probe
Rob Herring <[email protected]>
| Newsgroups | org.kernel.vger.stable,org.freedesktop.lists.dri-devel,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
On Thu, Jul 16, 2026 at 02:52:19PM +0800, [email protected] wrote: > From: GuoHan Zhao <[email protected]> > > devm_platform_ioremap_resource() returns an error pointer when the register > resource cannot be mapped. ethosu_probe() stores it and continues until > initialization dereferences it through MMIO accessors. > > Return the mapping error before initializing the device. > > Fixes: 5a5e9c0228e6 ("accel: Add Arm Ethos-U NPU driver") > Cc: [email protected] > Signed-off-by: GuoHan Zhao <[email protected]> > --- > drivers/accel/ethosu/ethosu_drv.c | 2 ++ > 1 file changed, 2 insertions(+) Applied, thanks. Rob