Re: [PATCH v1 2/3] firmware: trusted_foundations: Different way of L2 cache enabling after LP2 suspend

[Thierry Reding]

On Wed, Mar 25, 2020 at 01:43:34AM +0300, Dmitry Osipenko wrote:
> ASUS TF300T device may not work properly if firmware is asked to fully
> re-initialize L2 cache after resume from LP2 suspend. The downstream
> kernel of TF300T uses different opcode to enable cache after resuming
> from LP2, this opcode also works fine on Nexus 7 and Ouya devices.
> Supposedly, this may be needed by an older firmware versions.
> 
> Reported-by: MichaÅ MirosÅaw <mirq-linux@xxxxxxxxxxxx>
> Tested-by: MichaÅ MirosÅaw <mirq-linux@xxxxxxxxxxxx>
> Tested-by: Jasper Korten <jja2000@xxxxxxxxx>
> Tested-by: David Heidelberg <david@xxxxxxx>
> Tested-by: Peter Geis <pgwipeout@xxxxxxxxx>
> Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx>
> ---
>  arch/arm/mach-tegra/pm.c                     |  4 ++++
>  drivers/firmware/trusted_foundations.c       | 21 ++++++++++++++++++--
>  include/linux/firmware/trusted_foundations.h |  1 +
>  3 files changed, 24 insertions(+), 2 deletions(-)

I split this up and applied it to for-5.8/firmware and for-5.8/arm/core,
respectively.

Thanks,
Thierry

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