From: Russell King - ARM Linux admin <linux@armlinux.org.uk>
To: Krzysztof Kozlowski <krzk@kernel.org>
Cc: devicetree@vger.kernel.org, linux-samsung-soc@vger.kernel.org,
Guillaume Tucker <guillaume.tucker@collabora.com>,
linux-kernel@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,
Kukjin Kim <kgene@kernel.org>,
kernel@collabora.com, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 1/3] ARM: exynos: clear L220_AUX_CTRL_NS_LOCKDOWN in default l2c_aux_val
Date: Mon, 3 Aug 2020 15:22:44 +0100 [thread overview]
Message-ID: <20200803142244.GO1551@shell.armlinux.org.uk> (raw)
In-Reply-To: <20200803133439.GB476@kozik-lap>
On Mon, Aug 03, 2020 at 03:34:39PM +0200, Krzysztof Kozlowski wrote:
> 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@collabora.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.
Yes, because platforms actually have no control over this bit through
these values.
Please fix the description to use the right define, it's
L310_AUX_CTRL_NS_LOCKDOWN not L220_AUX_CTRL_NS_LOCKDOWN.
--
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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next prev parent reply other threads:[~2020-08-03 14:24 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-29 13:47 [PATCH 1/3] ARM: exynos: clear L220_AUX_CTRL_NS_LOCKDOWN in default l2c_aux_val Guillaume Tucker
2020-07-29 13:47 ` [PATCH 2/3] ARM: l2c: update prefetch bits in L2X0_AUX_CTRL using DT value Guillaume Tucker
2020-07-29 14:18 ` Russell King - ARM Linux admin
2020-07-29 16:22 ` Guillaume Tucker
2020-08-10 12:34 ` Guillaume Tucker
2020-07-29 13:47 ` [PATCH 3/3] ARM: exynos: use DT prefetch attributes rather than l2c_aux_val Guillaume Tucker
2020-08-03 13:13 ` Krzysztof Kozlowski
2020-08-10 12:29 ` Guillaume Tucker
2020-08-03 13:34 ` [PATCH 1/3] ARM: exynos: clear L220_AUX_CTRL_NS_LOCKDOWN in default l2c_aux_val Krzysztof Kozlowski
2020-08-03 14:22 ` Russell King - ARM Linux admin [this message]
2020-08-10 12:25 ` Guillaume Tucker
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