Re: [PATCH v2] arm64: dts: ti: k3-j721s2: fix overlapping GICD memory region

From: Marc Zyngier
Date: Fri Jun 17 2022 - 10:13:42 EST


On Fri, 17 Jun 2022 15:02:07 +0100,
Matt Ranostay <mranostay@xxxxxx> wrote:
>
> GICD region was overlapping with GICR causing the latter to not map
> successfully, and in turn the gic-v3 driver would fail to initialize.
>
> This issue was hidden till commit 2b2cd74a06c3 ("irqchip/gic-v3: Claim iomem resources")
> replaced of_iomap() calls with of_io_request_and_map() that internally
> called request_mem_region().

Please correctly wrap long lines in the commit message.

>
> Respective console output before this patchset:
>
> [ 0.000000] GICv3: /bus@100000/interrupt-controller@1800000: couldn't map region 0
>
> Fixes: 2b2cd74a06c3 ("irqchip/gic-v3: Claim iomem resources")

No, that's the wrong target for this. Your patch fixes the *original*
submission of the DT, and this should carry a:

Fixes: b8545f9d3a54 ("arm64: dts: ti: Add initial support for J721S2 SoC")

Please also consider adding a

Cc: stable@xxxxxxxxxxxxxxx

Thanks,

M.

--
Without deviation from the norm, progress is not possible.