[PATCH 3/4] [MMC] mmc_spi: add polling support for the card detectline

Anton Vorontsov avorontsov at ru.mvista.com
Thu May 22 22:38:38 EST 2008


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

So far I don't have cards larger than 256M. Will try to get one though.

Thanks,

-- 
Anton Vorontsov
email: cbouatmailru at gmail.com
irc://irc.freenode.net/bd2



More information about the Linuxppc-dev mailing list