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

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Message-ID: <20160217200029.GB4751@mtj.duckdns.org>
Date:	Wed, 17 Feb 2016 15:00:29 -0500
From:	Tejun Heo <tj@...nel.org>
To:	David Daney <ddaney@...iumnetworks.com>
Cc:	Will Deacon <will.deacon@....com>,
	Tirumalesh Chalamarla <tchalamarla@...iumnetworks.com>,
	stripathi@....com, linux-kernel@...r.kernel.org,
	linux-ide@...r.kernel.org, Robert Richter <rric@...nel.org>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH V2] AHCI: Workaround for ThunderX Errata#22536

Hello, David.

On Wed, Feb 17, 2016 at 10:57:50AM -0800, David Daney wrote:
> If the ahci/ata maintainers insist, we can add that.

I don't mind whether it is CONFIG_ARM64 or something more specific but
I think it's a good idea to gate it some way.

> <sarcasm>

If at all possible, please write plain arguments.

> Should we also add some CONFIG_ variables for:
> 
>   ahci_mcp89_apple_enable()
>   ahci_sb600_enable_64bit()
>   ahci_p5wdh_workaround()

And I think these should be gated behind CONFIG_X86.  The lack of
gating is historic, not intentional.

Thanks.

-- 
tejun