From: Arnd Bergmann <arnd@arndb.de>
To: "Nath, Arindam" <Arindam.Nath@amd.com>
Cc: zhangfei gao <zhangfei.gao@gmail.com>,
"cjb@laptop.org" <cjb@laptop.org>,
"linux-mmc@vger.kernel.org" <linux-mmc@vger.kernel.org>,
"Su, Henry" <Henry.Su@amd.com>, "Lu, Aaron" <Aaron.Lu@amd.com>,
"anath.amd@gmail.com" <anath.amd@gmail.com>
Subject: Re: [PATCH 01/12] mmc: sdhci: add support for auto CMD23
Date: Fri, 18 Feb 2011 16:40:16 +0100 [thread overview]
Message-ID: <201102181640.16398.arnd@arndb.de> (raw)
In-Reply-To: <6C03668EAF45B747AF947A1603D1B300DCED195D@SAUSEXMBP01.amd.com>
On Friday 18 February 2011, Nath, Arindam wrote:
> Auto CMD23 is a feature that automatically issues a CMD23 before
> a CMD18 or CMD25 is sent. Objective of this function is to avoid
> performance deterioration during memory access by removing interrupt
> service of CMD23.
I feel a bit stupid now, I confused CMD23 and ACMD23. I thought that
this was about automatic insertion of ACMD23, which it is clearly
not. I still think we should do *ACMD23* in the block driver,
but see no reason for CMD23.
Arnd
next prev parent reply other threads:[~2011-02-18 15:40 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-15 9:34 [PATCH 00/12] add support for sd host controller v3.00 Arindam Nath
2011-02-15 9:34 ` [PATCH 01/12] mmc: sdhci: add support for auto CMD23 Arindam Nath
2011-02-15 20:58 ` Nicolas Pitre
2011-02-16 8:04 ` Nath, Arindam
2011-02-18 10:45 ` zhangfei gao
2011-02-18 10:50 ` Arnd Bergmann
2011-02-18 12:08 ` Nath, Arindam
2011-02-18 13:08 ` Arnd Bergmann
2011-02-18 13:35 ` Nath, Arindam
2011-02-18 15:40 ` Arnd Bergmann [this message]
2011-02-18 15:49 ` [PATCH 01/12] mmc: sdhci: add support for SD Host Controller 3.0 Philip Rakity
2011-02-18 17:17 ` Nath, Arindam
2011-02-18 18:55 ` Nicolas Pitre
2011-02-18 19:08 ` Philip Rakity
2011-02-18 19:06 ` Philip Rakity
2011-02-18 11:53 ` [PATCH 01/12] mmc: sdhci: add support for auto CMD23 Nath, Arindam
2011-02-15 9:35 ` [PATCH 02/12] mmc: sd: add support for signal voltage switch procedure Arindam Nath
2011-02-15 10:16 ` Wolfram Sang
2011-02-16 7:55 ` Nath, Arindam
2011-02-15 21:18 ` Nicolas Pitre
2011-02-16 8:08 ` Nath, Arindam
2011-03-01 16:02 ` subhashj
2011-03-02 8:06 ` Nath, Arindam
2011-03-03 13:16 ` subhashj
2011-03-03 13:34 ` Nath, Arindam
2011-03-03 21:08 ` subhashj
2011-03-03 22:49 ` Philip Rakity
2011-03-04 6:10 ` Nath, Arindam
2011-02-15 9:35 ` [PATCH 03/12] mmc: sd: query function modes for uhs cards Arindam Nath
2011-02-15 9:35 ` [PATCH 04/12] mmc: sd: add support for driver type selection Arindam Nath
2011-02-15 9:35 ` [PATCH 05/12] mmc: sdhci: reset sdclk before setting high speed enable Arindam Nath
2011-02-15 9:35 ` [PATCH 06/12] mmc: sd: add support for uhs bus speed mode selection Arindam Nath
2011-03-09 21:43 ` Philip Rakity
2011-02-15 9:35 ` [PATCH 07/12] mmc: sd: set current limit for uhs cards Arindam Nath
2011-02-15 9:35 ` [PATCH 08/12] mmc: sd: report correct speed and capacity of " Arindam Nath
2011-02-15 9:35 ` [PATCH 09/12] mmc: sd: add support for tuning during uhs initialization Arindam Nath
2011-02-18 10:50 ` zhangfei gao
2011-02-18 11:33 ` Nath, Arindam
2011-02-15 9:35 ` [PATCH 10/12] mmc: sdhci: enable preset value after " Arindam Nath
2011-02-15 9:35 ` [PATCH 11/12] mmc: sdhci: add support for programmable clock mode Arindam Nath
2011-02-15 9:35 ` [PATCH 12/12] mmc: sdhci: add support for retuning mode 1 Arindam Nath
2011-02-15 19:43 ` [PATCH 00/12] add support for sd host controller v3.00 Chris Ball
2011-02-16 8:00 ` Nath, Arindam
2011-02-16 20:55 ` Chris Ball
2011-02-17 2:03 ` Nath, Arindam
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