[PATCH V2] AHCI: Workaround for ThunderX Errata#22536

[Tejun Heo]

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