linux-kernel - Re: [PATCH 1/3] ARM: exynos: clear L220_AUX_CTRL_NS_LOCKDOWN in default l2c_aux

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Date:   Mon, 3 Aug 2020 15:34:39 +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-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] ARM: exynos: clear L220_AUX_CTRL_NS_LOCKDOWN in
 default l2c_aux_val

On Wed, Jul 29, 2020 at 02:47:31PM +0100, Guillaume Tucker wrote:
> The L220_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>
> ---
>  arch/arm/mach-exynos/exynos.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

Makes sense. I'll take it after the merge window.

Best regards,
Krzysztof