Re: [PATCH 11/13] arm: npcm: drop selecting non-existing ARM_ERRATA_794072

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On Tue, Nov 2, 2021 at 8:31 AM Lukas Bulwahn <lukas.bulwahn@xxxxxxxxx> wrote:
> On Fri, Oct 29, 2021 at 8:36 AM Joel Stanley <joel@xxxxxxxxx> wrote:
> > On Thu, 28 Oct 2021 at 14:57, Arnd Bergmann <arnd@xxxxxxxx> wrote:
> > > On Thu, Oct 28, 2021 at 4:19 PM Lukas Bulwahn <lukas.bulwahn@xxxxxxxxx> wrote:
> > https://lore.kernel.org/all/6be32e0b5b454ed7b609317266a8e798@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx/
> >
> > It looks like it's the same workaround as ARM_ERRATA_742230, which the
> > kernel does implement.
> >
> > It would be good to hear from the Nuvoton people, or an Arm person.
>
> I will happily update the patch to select ARM_ERRATA_742230 instead of
> the dead non-existing ARM_ERRATA_794072.
>
> In contrast to the current patch that basically only cleans up "dead
> config" and has no effective functional change, the new patch would
> change the behaviour. I cannot test this patch (beyond some basic
> compile test) on the hardware; so, we certainly need someone to have
> that hardware, knows how to test it or confirm otherwise that we
> should select the ARM_ERRATA_742230 fix for this hardware.
>
> The current patch should be subsumed by the new patch; the submission
> of the new patch is deferred until that person shows up. Let's see.

I'd prefer to leave the broken Kconfig symbol in place as a reminder until it
gets fixed properly then.

       Arnd



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