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From: Chris Ball <cjb@laptop.org>
To: Arindam Nath <arindam.nath@amd.com>
Cc: prakity@marvell.com, zhangfei.gao@gmail.com,
	subhashj@codeaurora.org, linux-mmc@vger.kernel.org,
	henry.su@amd.com, aaron.lu@amd.com, anath.amd@gmail.com
Subject: Re: [PATCH v4 05/15] mmc: sd: add support for uhs bus speed mode selection
Date: Tue, 10 May 2011 23:36:49 -0400	[thread overview]
Message-ID: <m3r58552ni.fsf@pullcord.laptop.org> (raw)
In-Reply-To: <1304578151-1775-6-git-send-email-arindam.nath@amd.com> (Arindam Nath's message of "Thu, 5 May 2011 12:19:01 +0530")

Hi,

On Thu, May 05 2011, Arindam Nath wrote:
> This patch adds support for setting UHS-I bus speed mode during UHS-I
> initialization procedure. Since both the host and card can support
> more than one bus speed, we select the highest speed based on both of
> their capabilities. First we set the bus speed mode for the card using
> CMD6 mode 1, and then we program the host controller to support the
> required speed mode. We also set High Speed Enable in case one of the
> UHS-I modes is selected. We take care to reset SD clock before setting
> UHS mode in the Host Control2 register, and then re-enable it as per
> the Host Controller spec v3.00. We then set the clock frequency for
> the UHS-I mode selected.
>
> Signed-off-by: Arindam Nath <arindam.nath@amd.com>
> Reviewed-by: Philip Rakity <prakity@marvell.com>
> Tested-by: Philip Rakity <prakity@marvell.com>

Thanks, pushed to mmc-next for .40.

- Chris.
-- 
Chris Ball   <cjb@laptop.org>   <http://printf.net/>
One Laptop Per Child

  parent reply	other threads:[~2011-05-11  3:34 UTC|newest]

Thread overview: 54+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-05  6:48 [PATCH v4 00/15] add support for host controller v3.00 Arindam Nath
2011-05-05  6:48 ` [PATCH v4 01/15] mmc: sd: add support for signal voltage switch procedure Arindam Nath
2011-05-06 10:36   ` zhangfei gao
2011-05-11  3:34   ` Chris Ball
2011-05-05  6:48 ` [PATCH v4 02/15] mmc: sd: query function modes for uhs cards Arindam Nath
2011-05-06 10:37   ` zhangfei gao
2011-05-11  3:34   ` Chris Ball
2011-05-05  6:48 ` [PATCH v4 03/15] mmc: sd: add support for driver type selection Arindam Nath
2011-05-06 10:37   ` zhangfei gao
2011-05-11  3:34   ` Chris Ball
2011-05-05  6:49 ` [PATCH v4 04/15] mmc: sdhci: reset sdclk before setting high speed enable Arindam Nath
2011-05-06 10:38   ` zhangfei gao
2011-05-11  3:36   ` Chris Ball
2011-05-05  6:49 ` [PATCH v4 05/15] mmc: sd: add support for uhs bus speed mode selection Arindam Nath
2011-05-06 10:41   ` zhangfei gao
2011-05-11  3:36   ` Chris Ball [this message]
2011-05-05  6:49 ` [PATCH v4 06/15] mmc: sd: set current limit for uhs cards Arindam Nath
2011-05-06 10:38   ` zhangfei gao
2011-05-11  3:37   ` Chris Ball
2011-05-05  6:49 ` [PATCH v4 07/15] mmc: sd: report correct speed and capacity of " Arindam Nath
2011-05-06 10:39   ` zhangfei gao
2011-05-11  3:37   ` Chris Ball
2011-05-05  6:49 ` [PATCH v4 08/15] mmc: sd: add support for tuning during uhs initialization Arindam Nath
2011-05-06 10:39   ` zhangfei gao
2011-05-11  3:38   ` Chris Ball
2011-05-05  6:49 ` [PATCH v4 09/15] mmc: sdhci: enable preset value after " Arindam Nath
2011-05-06 10:40   ` zhangfei gao
2011-05-11  3:38   ` Chris Ball
2011-05-05  6:49 ` [PATCH v4 10/15] mmc: sdhci: add support for programmable clock mode Arindam Nath
2011-05-06 10:40   ` zhangfei gao
2011-05-11  3:39   ` Chris Ball
2011-05-05  6:49 ` [PATCH v4 11/15] mmc: sdhci: add support for retuning mode 1 Arindam Nath
2011-05-06 10:40   ` zhangfei gao
2011-05-11  3:39   ` Chris Ball
2011-05-05  6:49 ` [PATCH v4 12/15] sdhci pxa add platform specific code for UHS signaling Arindam Nath
2011-05-11  1:54   ` Chris Ball
2011-05-11  8:48   ` zhangfei gao
2011-05-11  8:52     ` Philip Rakity
2011-05-11  9:28       ` zhangfei gao
2011-05-11  9:47         ` Philip Rakity
2011-05-12  1:53           ` Philip Rakity
2011-05-13  8:03           ` zhangfei gao
2011-05-15 21:42             ` Philip Rakity
2011-05-16  5:57               ` zhangfei gao
2011-05-05  6:49 ` [PATCH v4 13/15] mmc eMMC signal voltage does not use CMD11 Arindam Nath
2011-05-11  1:51   ` Chris Ball
2011-05-11  9:19   ` zhangfei gao
2011-05-11 15:01     ` Philip Rakity
2011-05-12  1:53       ` Philip Rakity
2011-05-05  6:49 ` [PATCH v4 14/15] sdhci add hooks for UHS setting by platform specific code Arindam Nath
2011-05-05  6:49 ` [PATCH v4 15/15] mmc add support for eMMC Dual Data Rate Arindam Nath
2011-05-05  8:18 ` [PATCH v4 00/15] add support for host controller v3.00 Nath, Arindam
2011-05-11  3:43 ` Chris Ball
2011-05-11  6:13   ` Nath, Arindam

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