From: Rob Herring <robh@kernel.org>
To: Zach Brown <zach.brown@ni.com>
Cc: ulf.hansson@linaro.org, adrian.hunter@intel.com,
mark.rutland@arm.com, linux-mmc@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC 1/2] sdhci: Add device tree property sd-broken-highspeed
Date: Mon, 3 Oct 2016 12:37:08 -0500 [thread overview]
Message-ID: <20161003173708.GA15916@rob-hp-laptop> (raw)
In-Reply-To: <1474660869-15532-2-git-send-email-zach.brown@ni.com>
On Fri, Sep 23, 2016 at 03:01:08PM -0500, Zach Brown wrote:
> Certain board configurations can make highspeed malfunction due to
> timing issues. In these cases a way is needed to force the controller
> and card into standard speed even if they otherwise appear to be capable
> of highspeed.
>
> The sd-broken-highspeed property will let the sdhci driver know that
> highspeed will not work.
>
> Signed-off-by: Zach Brown <zach.brown@ni.com>
> ---
> Documentation/devicetree/bindings/mmc/mmc.txt | 2 ++
> 1 file changed, 2 insertions(+)
Acked-by: Rob Herring <robh@kernel.org>
next prev parent reply other threads:[~2016-10-03 17:37 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-23 20:01 [RFC 0/2] Add device tree property and quirk for supporting sdhci Zach Brown
2016-09-23 20:01 ` [RFC 1/2] sdhci: Add device tree property sd-broken-highspeed Zach Brown
2016-10-03 17:37 ` Rob Herring [this message]
2016-10-05 18:33 ` Ulf Hansson
2016-10-05 20:03 ` Rob Herring
2016-10-05 21:22 ` Julia Cartwright
2016-10-06 1:34 ` Shawn Lin
2016-10-06 6:13 ` Adrian Hunter
2016-10-07 18:56 ` Zach Brown
2016-10-06 8:03 ` Ulf Hansson
2016-10-17 21:49 ` Zach Brown
2016-09-23 20:01 ` [RFC 2/2] sdhci: Prevent SD from doing highspeed timing when sd-broken-highspeed property is set Zach Brown
2016-10-06 6:39 ` Adrian Hunter
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=20161003173708.GA15916@rob-hp-laptop \
--to=robh@kernel.org \
--cc=adrian.hunter@intel.com \
--cc=devicetree@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mmc@vger.kernel.org \
--cc=mark.rutland@arm.com \
--cc=ulf.hansson@linaro.org \
--cc=zach.brown@ni.com \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
Powered by JetHome