Re: [PATCH] arch/arm/mach-mvebu/Kconfig: remove obsolete selects
From: Gregory CLEMENT
Date: Tue Apr 28 2015 - 13:07:28 EST
On 28/04/2015 18:54, Russell King - ARM Linux wrote:
> On Tue, Apr 28, 2015 at 06:41:41PM +0200, Gregory CLEMENT wrote:
>> Hi Valentin,
>> On 28/04/2015 18:02, Valentin Rothberg wrote:
>>> ARM_ERRATA_753970 is not defined in Kconfig, so that both selects turn
>>> out to be nops. Hence, we can safely remove them.
>> It was already pointed by Paul Bolle a few months ago:
>> and I thought it was applied.
>> He pointed that the original intent was to select
>> PL310_ERRATA_753970. Initially I was not sure if we needed it. In the
>> meantime I didn't get any answer from the hardware designers but this
>> errata affects the r3p0 version and according to the Cache ID register
>> the PL310 used on these two SoCs were the r3p3.
> It's probably something I need to look at when I'm in a more relaxed
> state, and when I have more time to deal with the dreaded email
Do you see any mistake in my reasoning?
Do you think that errata 753970 could be applied on PL310 version
more recent than the r3p0 one ?
Do you think that Cache ID register could give incorrect information
about the PL310 version?
Or maybe you think about something more global.
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
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