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

[Chen Gong]

> -----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