Hi,
On Sun, Nov 13 2011, Subhash Jadavani wrote:
Using SD_MODE_UHS_SDR25 macro name is not appropriate here. It's really not
the SDR25 mode (although clock rate is 50mhz), it's High speed mode only.
Qiang Liu patch had defined new marco SD_MODE_HIGH_SPEED which looks
most appropriate to use
...@freescale.com
Subject: Re: [PATCH] SD/MMC: fix the issue of SDHC performance
regression
Hi,
On Sun, Nov 13 2011, Subhash Jadavani wrote:
Using SD_MODE_UHS_SDR25 macro name is not appropriate here. It's
really not
the SDR25 mode (although clock rate is 50mhz), it's High speed mode
only.
Qiang
On Mon, Nov 07, 2011 at 08:20:10AM -0500, Chris Ball wrote:
Have you seen:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commitdiff;h=f2815f68dabbb373fd1c9f0fd4a609d486697c2b
(mmc: sd: Handle SD3.0 cards not supporting UHS-I bus speed mode)
which is already in mainline?
Hi,
On Tue, Nov 08 2011, Aaron Lu wrote:
SDR25 is also 50MHZ, the same frequency as high speed.
Or we can add a new macro for high speed like qiang has done,
which one you prefer?
The new macro makes most sense to me -- if no-one disagrees, I'll
convert Liu's patch into a rename patch and
-Original Message-
From: Liu Qiang-B32616
Sent: Monday, November 07, 2011 5:36 PM
To: linux-mmc@vger.kernel.org
Cc: c...@laptop.org; Li Yang-R58472; Gala Kumar-B11780; Liu Qiang-B32616
Subject: [PATCH] SD/MMC: fix the issue of SDHC performance regression
Low performance of SDHC (half of
Hi,
On Mon, Nov 07 2011, Qiang Liu wrote:
Low performance of SDHC (half of before) due to its frequency was set to
25MHz,
but not 50MHz (involved by commit id 013909c4ffd16ded4895528b856fd8782df04dc6,
add support for query function modes for uhs cards according to Physical Layer
SPEC
-Original Message-
From: linux-mmc-ow...@vger.kernel.org [mailto:linux-mmc-ow...@vger.kernel.org]
On Behalf Of Chris Ball
Sent: Monday, November 07, 2011 9:20 PM
To: Liu Qiang-B32616
Cc: linux-mmc@vger.kernel.org; Li Yang-R58472; Gala Kumar-B11780
Subject: Re: [PATCH] SD/MMC: fix
