Thread (10 messages) 10 messages, 3 authors, 2008-05-27

RE: [PATCH 3/4] [MMC] mmc_spi: add polling support for the carddetectline

From: Chen Gong <hidden>
Date: 2008-05-22 13:45:21
Also in: linux-spi, lkml

=20
-----Original Message-----
From: Anton Vorontsov [mailto:avorontsov@ru.mvista.com]=20
Sent: 2008?5?22? 20:39
To: Chen Gong
Cc: Kumar Gala; David Brownell; Pierre Ossman;=20
linuxppc-dev@ozlabs.org;=20
spi-devel-general@lists.sourceforge.net;=20
linux-kernel@vger.kernel.org; Tabi Timur
Subject: Re: [PATCH 3/4] [MMC] mmc_spi: add polling support=20
for the carddetectline
=20
On Mon, May 19, 2008 at 11:02:13AM +0800, Chen Gong wrote:
quoted
=20
quoted
-----Original Message-----
From: linuxppc-dev-bounces+b11801=3Dfreescale.com@ozlabs.org
[mailto:linuxppc-dev-bounces+b11801=3Dfreescale.com@ozlabs.org]
On Behalf Of Anton Vorontsov
Sent: 2008?5?17? 0:51
To: Kumar Gala; David Brownell; Pierre Ossman
Cc: linuxppc-dev@ozlabs.org;
spi-devel-general@lists.sourceforge.net;
linux-kernel@vger.kernel.org; Tabi Timur
Subject: [PATCH 3/4] [MMC] mmc_spi: add polling support=20
for the card=20
quoted
quoted
detectline
=20
Some boards do not use interrupts on the CD line, so we=20
want to poll=20
quoted
quoted
the CD and see if there was a change. 1 second poll=20
interval seems=20
quoted
quoted
resonable.
=20
Signed-off-by: Anton Vorontsov <redacted>
---
 drivers/mmc/host/mmc_spi.c  |   51=20
=20
I want to know whether every card working well ? Because=20
I'm working=20
quoted
For 83xx MMC-over-SPI support, the presented concrete=20
methods I used=20
quoted
as you do, but only 256M card seems good, 512M or 1G/2G=20
card all have=20
quoted
some problems
=20
So far I don't have cards larger than 256M. Will try to get=20
one though.
=20
Thanks, if you have any new test report pls contact me.

BTW, a fews days ago Joakim Tjernlund made a heavy fix for=20
spi_mpc83xx.c to resolve clock glitch. But it looks no any impact
for me, but maybe it has positive effect for you.
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