RE: [PATCH 3/4] [MMC] mmc_spi: add polling support for the card detectline
From: Chen Gong
Date: Sun May 18 2008 - 23:02:56 EST
> -----Original Message-----
> From: linuxppc-dev-bounces+b11801=freescale.com@xxxxxxxxxx
> [mailto:linuxppc-dev-bounces+b11801=freescale.com@xxxxxxxxxx]
> On Behalf Of Anton Vorontsov
> Sent: 2008?5?17? 0:51
> To: Kumar Gala; David Brownell; Pierre Ossman
> Cc: linuxppc-dev@xxxxxxxxxx;
> spi-devel-general@xxxxxxxxxxxxxxxxxxxxx;
> linux-kernel@xxxxxxxxxxxxxxx; 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@xxxxxxxxxxxxx>
> ---
> 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
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