[PATCH] irqchip/gic-v3: Add Allwinner sunxi001 erratum workaround

Marc Zyngier maz at kernel.org
Sun Jun 2 02:25:01 PDT 2024


On Sun, 02 Jun 2024 08:10:58 +0100,
"harry.yu185" <harry.yu185 at gmail.com> wrote:
> 
> Allwinner A523 GIC600 integration does not support the
> sharability feature. So assigned Erratum ID #sunxi001 for this
> issue.
> 
> That the 0x0201643b ID is not Allwinner specific and thus
> there is an extra of_machine_is_compatible() check.
> 
> Note, because more than one soc may have this problem, the 'sunxi'
> name is used instead of a fixed soc name like A523.
> 
> Signed-off-by: harry.yu185 <harry.yu185 at gmail.com>

No, this is all already handled by the driver already (since 6.6).

Please fix your DT to include the "dma-noncoherent" property in the
GIC and ITS nodes, which should paper over the integration bug.

Thanks,

	M.

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



More information about the linux-arm-kernel mailing list