linux-kernel - Re: [PATCH v2 1/4] ARM: exynos: clear L310_AUX_CTRL_NS_LOCKDOWN in default l2c_aux

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Message-ID: <CAJKOXPdQiXc3zVRK25AsfYPBwL1Rm6y1niFt5wxkC5gH5baiZA@mail.gmail.com>
Date:   Tue, 1 Sep 2020 17:25:23 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Guillaume Tucker <guillaume.tucker@...labora.com>
Cc:     Russell King <linux@...linux.org.uk>,
        Kukjin Kim <kgene@...nel.org>,
        Rob Herring <robh+dt@...nel.org>, kernel@...labora.com,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        "linux-samsung-soc@...r.kernel.org" 
        <linux-samsung-soc@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 1/4] ARM: exynos: clear L310_AUX_CTRL_NS_LOCKDOWN in
 default l2c_aux_val

On Tue, 1 Sep 2020 at 16:42, Guillaume Tucker
<guillaume.tucker@...labora.com> wrote:
>
> On 01/09/2020 14:51, Krzysztof Kozlowski wrote:
> > On Tue, 1 Sep 2020 at 15:45, Krzysztof Kozlowski <krzk@...nel.org> wrote:
> >>
> >> On Tue, 1 Sep 2020 at 15:34, Guillaume Tucker
> >> <guillaume.tucker@...labora.com> wrote:
> >>>
> >>> Hi Krzysztof, Russell,
> >>>
> >>> On 10/08/2020 13:22, Guillaume Tucker wrote:
> >>>> The L310_AUX_CTRL_NS_LOCKDOWN flag is set during the L2C enable
> >>>> sequence.  There is no need to set it in the default register value,
> >>>> this was done before support for it was implemented in the code.  It
> >>>> is not set in the hardware initial value either.
> >>>>
> >>>> Clean this up by removing this flag from the default l2c_aux_val, and
> >>>> add it to the l2c_aux_mask to print an alert message if it was already
> >>>> set before the kernel initialisation.
> >>>>
> >>>> Signed-off-by: Guillaume Tucker <guillaume.tucker@...labora.com>
> >>>> ---
> >>>>
> >>>> Notes:
> >>>>     v2: fix flag name L310_AUX_CTRL_NS_LOCKDOWN
> >>>>
> >>>>  arch/arm/mach-exynos/exynos.c | 4 ++--
> >>>>  1 file changed, 2 insertions(+), 2 deletions(-)
> >>>
> >>> I believe this v2 series has addressed all previous comments and
> >>> you were waiting for the 5.9 merge window to end.  The patches
> >>> all still apply cleanly on v5.9-rc3.  Do you want me to resend
> >>> the series anyway or is there anything else needed at this point?
> >>>
> >>> Maybe one thing that wasn't completely clear in v1 was whether
> >>> patch 2/4 was the right approach.  I've explained the reason
> >>> behind it but didn't get a final reply from Russell[1].
> >>
> >> I am sorry, my bad. I already applied this one and 3/4 (dts).
> >> Apparently I forgot to reply with confirmation and Patchwork did not
> >> notify you for some reason.
>
> No problem, I see them in linux-next now.  Thanks!
>
> >> Patch 2/4 does not look like one for me so I would need ack from
> >> Russell to take. Did you submit it to the ARM patches queue?
>
> I've CC-ed linux-arm-kernel@...ts.infradead.org on the whole
> series.  Did you mean anything else by the ARM patches queue?

Unless anything changed, so far all ARM-core related patches had to be
submitted to Russell's system. I didn't submit anything for 3 years so
maybe something changed...
https://www.arm.linux.org.uk/developer/patches/

Best regards,
Krzysztof