Re: [PATCH v2] libata: disable forced PORTS_IMPL for >= AHCI 1.3

[Andy Lutomirski]

On Fri, Jan 15, 2016 at 12:13 PM, Tejun Heo <tj@xxxxxxxxxx> wrote:
> Some early controllers incorrectly reported zero ports in PORTS_IMPL
> register and the ahci driver fabricates PORTS_IMPL from the number of
> ports in those cases.  This hasn't mattered but with the new nvme
> controllers there are cases where zero PORTS_IMPL is valid and should
> be honored.
>
> Disable the workaround for >= AHCI 1.3.

Tested-by: Andy Lutomirski <luto@xxxxxxxxxx>

--Andy