linux-kernel - Re: [PATCH V2] AHCI: Workaround for ThunderX Errata#22536

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Message-ID: <20160216144250.GD31343@rric.localdomain>
Date:	Tue, 16 Feb 2016 15:42:50 +0100
From:	Robert Richter <rric@...nel.org>
To:	Tejun Heo <tj@...nel.org>
Cc:	Tirumalesh Chalamarla <tchalamarla@...iumnetworks.com>,
	stripathi@....com, linux-ide@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH V2] AHCI: Workaround for ThunderX Errata#22536

On 15.02.16 13:30:41, Tejun Heo wrote:
> On Sun, Feb 14, 2016 at 07:36:18PM -0800, Tirumalesh Chalamarla wrote:
> > There is no need for special Driver, AHCI is sufficient for ThunderX, the
> > file only contains this interrupt handler,
> > is it preferable if this interrupt handler in libahci.c with others, instead
> > of separate file?
> 
> Yeap, just fold it in ahci.c with surrounding #ifdef guard.

Yes, please use #ifdef CONFIG_CAVIUM_ERRATUM_22536 ... and add a
kconfig entry for this to arch/arm64/Kconfig.

-Robert