Re: [PATCH 4/5] sata, highbank: set tx_atten override bits
From: Mark Rutland
Date: Tue Jul 30 2013 - 12:42:51 EST
On Fri, Jul 26, 2013 at 07:38:24PM +0100, Rob Herring wrote:
> On 07/26/2013 11:22 AM, Mark Rutland wrote:
> > On Fri, Jul 26, 2013 at 04:11:57PM +0100, Mark Langsdorf wrote:
> >> Some board designs do not drive the SATA transmit lines within the
> >> specification. The ECME can provide override settings, on a per board
> >> basis, to bring the transmit lines within spec. Read those settings
> >> from the DTB and program them in.
> > How variable is the use of this property going to be? Would it instead
> > be possible to decide that this was necessary, and choose the
> > appropriate values based on a compatible property?
> It is based on compliance testing of the particular board design. Basing
> on a compatible property would not work in this case.
Ok. Could you clarify the u8/cell usage in the binding and amend the
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