Re: [PATCH v2] ARM: errata: Workaround errata A12 857271 / A17 857272

From: Doug Anderson
Date: Fri Apr 26 2019 - 18:42:21 EST


Hi,

On Tue, Apr 23, 2019 at 4:00 PM Douglas Anderson <dianders@xxxxxxxxxxxx> wrote:
>
> This adds support for working around errata A12 857271 / A17 857272.
> These errata were causing hangs on rk3288-based Chromebooks and it was
> confirmed that this workaround fixed the problems. In the Chrome OS
> 3.14 kernel this was treated as two errata: ERRATA_FOOBAR [1] and
> ERRATA_CR711784 [2]. Apparently the two errata got lumped together at
> some point in time.
>
> Let's actually get the workaround landed.
>
> [1] https://crrev.com/c/342753
> [2] https://crbug.com/711784
>
> Signed-off-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
> Signed-off-by: Sonny Rao <sonnyrao@xxxxxxxxxxxx>
> ---
>
> Changes in v2:
> - Squashed bits 10 and 11 into one errata.
>
> arch/arm/Kconfig | 18 ++++++++++++++++++
> arch/arm/mm/proc-v7.S | 10 ++++++++++
> 2 files changed, 28 insertions(+)

Breadcrumbs: this has been submitted to RMK's patch tracking system. See:

https://www.armlinux.org.uk/developer/patches/viewpatch.php?id=8861/1

-Doug