From: Rob Herring <robherring2@gmail.com>
To: Mark Rutland <mark.rutland@arm.com>
Cc: Mark Langsdorf <mark.langsdorf@calxeda.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-ide@vger.kernel.org" <linux-ide@vger.kernel.org>,
"tj@kernel.org" <tj@kernel.org>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
Pawel Moll <Pawel.Moll@arm.com>,
"swarren@wwwdotorg.org" <swarren@wwwdotorg.org>,
"ian.campbell@citrix.com" <ian.campbell@citrix.com>
Subject: Re: [PATCH 4/5] sata, highbank: set tx_atten override bits
Date: Fri, 26 Jul 2013 13:38:24 -0500 [thread overview]
Message-ID: <51F2C220.5040407@gmail.com> (raw)
In-Reply-To: <20130726162231.GD3528@e106331-lin.cambridge.arm.com>
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.
Rob
next prev parent reply other threads:[~2013-07-26 18:38 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-26 15:11 [PATCH 1/5] sata, highbank: fix ordering of SGPIO signals Mark Langsdorf
2013-07-26 15:11 ` [PATCH 2/5] sata highbank: enable 64-bit DMA mask when using LPAE Mark Langsdorf
2013-07-26 15:11 ` [PATCH 3/5] devicetree: create a separate binding description for sata_highbank Mark Langsdorf
2013-07-26 15:45 ` Rob Herring
2013-07-26 15:11 ` [PATCH 4/5] sata, highbank: set tx_atten override bits Mark Langsdorf
2013-07-26 16:22 ` Mark Rutland
2013-07-26 18:38 ` Rob Herring [this message]
2013-07-30 16:42 ` Mark Rutland
2013-08-02 15:24 ` Mark Langsdorf
2013-07-26 15:11 ` [PATCH 5/5] sata, highbank: send extra clock cycles in SGPIO patterns Mark Langsdorf
2013-07-26 15:48 ` Rob Herring
2013-07-26 16:26 ` Mark Rutland
2013-07-26 18:34 ` Rob Herring
2013-07-29 16:55 ` [PATCH 1/5] sata, highbank: fix ordering of SGPIO signals Tejun Heo
2013-08-02 15:23 ` Mark Langsdorf
2013-08-02 19:29 ` Tejun Heo
2013-08-14 18:23 ` [PATCH v4 1/3] devicetree: create a separate binding description for sata_highbank Mark Langsdorf
2013-08-14 18:23 ` [PATCH v4 2/3] sata, highbank: set tx_atten override bits Mark Langsdorf
2013-08-14 18:23 ` [PATCH v4 3/3] sata, highbank: send extra clock cycles in SGPIO patterns Mark Langsdorf
2013-08-14 20:27 ` [PATCH v4 1/3] devicetree: create a separate binding description for sata_highbank Tejun Heo
2013-08-14 20:36 ` Mark Langsdorf
2013-08-14 20:37 ` Tejun Heo
2013-08-14 20:40 ` Mark Langsdorf
2013-08-14 20:44 ` Tejun Heo
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=51F2C220.5040407@gmail.com \
--to=robherring2@gmail.com \
--cc=Pawel.Moll@arm.com \
--cc=devicetree@vger.kernel.org \
--cc=ian.campbell@citrix.com \
--cc=linux-ide@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mark.langsdorf@calxeda.com \
--cc=mark.rutland@arm.com \
--cc=swarren@wwwdotorg.org \
--cc=tj@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.