On Tue, Nov 2, 2021 at 8:31 AM Lukas Bulwahn [off-list ref] wrote:

On Fri, Oct 29, 2021 at 8:36 AM Joel Stanley [off-list ref] wrote:

quoted

On Thu, 28 Oct 2021 at 14:57, Arnd Bergmann [off-list ref] wrote:

quoted

On Thu, Oct 28, 2021 at 4:19 PM Lukas Bulwahn [off-list ref] wrote:

https://lore.kernel.org/all/6be32e0b5b454ed7b609317266a8e798@BLUPR03MB358.namprd03.prod.outlook.com/ (local)

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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