linux-kernel - Re: [PATCH 4/7] arm64: arch_timer: introduce generic errata handling infrastructure

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Message-ID: <20170201101413.GN2206@mai>
Date:   Wed, 1 Feb 2017 11:14:13 +0100
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     Mark Rutland <mark.rutland@....com>
Cc:     catalin.marinas@....com, dingtianhong@...wei.com,
        will.deacon@....com, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, tglx@...utronix.de
Subject: Re: [PATCH 4/7] arm64: arch_timer: introduce generic errata handling
 infrastructure

On Tue, Jan 31, 2017 at 12:19:53PM +0000, Mark Rutland wrote:
> From: Ding Tianhong <dingtianhong@...wei.com>
> 
> Currently we have code inline in the arch timer probe path to cater for
> Freescale erratum A-008585, complete with ifdeffery. This is a little
> ugly, and will get worse as we try to add more errata handling.
> 
> This patch refactors the handling of Freescale erratum A-008585. Now the
> erratum is described in a generic arch_timer_erratum_workaround
> structure, and the probe path can iterate over these to detect errata
> and enable workarounds.
> 
> This will simplify the addition and maintenance of code handling
> Hisilicon erratum 161010101.
> 
> Signed-off-by: Ding Tianhong <dingtianhong@...wei.com>
> [Mark: split patch, correct Kconfig, reword commit message]
> Signed-off-by: Mark Rutland <mark.rutland@....com>

Acked-by: Daniel Lezcano <daniel.lezcano@...aro.org>