Messages in this thread | | | Subject | RE: [PATCH 3/4] [MMC] mmc_spi: add polling support for the carddetectline | Date | Thu, 22 May 2008 21:44:57 +0800 | From | "Chen Gong" <> |
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> -----Original Message----- > From: Anton Vorontsov [mailto:avorontsov@ru.mvista.com] > Sent: 2008?5?22? 20:39 > To: Chen Gong > Cc: Kumar Gala; David Brownell; Pierre Ossman; > linuxppc-dev@ozlabs.org; > spi-devel-general@lists.sourceforge.net; > linux-kernel@vger.kernel.org; Tabi Timur > Subject: Re: [PATCH 3/4] [MMC] mmc_spi: add polling support > for the carddetectline > > On Mon, May 19, 2008 at 11:02:13AM +0800, Chen Gong wrote: > > > > > -----Original Message----- > > > From: linuxppc-dev-bounces+b11801=freescale.com@ozlabs.org > > > [mailto:linuxppc-dev-bounces+b11801=freescale.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 > 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@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, if you have any new test report pls contact me.
BTW, a fews days ago Joakim Tjernlund made a heavy fix for 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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