Hi, On Thu, Nov 03 2011, Stefan Nilsson XK wrote: > Adds a quirk that sets the data read timeout to a fixed value instead > of relying on the information in the CSD. The timeout value choosen > is 300ms since that has proven enough for the problematic cards found, > but could be increased if other cards require this. > > This patch also enables this quirk for certain Micron cards known to > have this problem. > > Signed-off-by: Stefan Nilsson XK <[email protected]> > Signed-off-by: Ulf Hansson <[email protected]> > --- > drivers/mmc/card/block.c | 7 +++++++ > drivers/mmc/core/core.c | 12 ++++++++++++ > include/linux/mmc/card.h | 6 ++++++ > 3 files changed, 25 insertions(+), 0 deletions(-) > > diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c > index 4fd5723..04af5e5 100644 > --- a/drivers/mmc/card/block.c > +++ b/drivers/mmc/card/block.c > @@ -1603,6 +1603,13 @@ static const struct mmc_fixup blk_fixups[] = > MMC_QUIRK_BLK_NO_CMD23), > MMC_FIXUP("MMC32G", 0x11, CID_OEMID_ANY, add_quirk_mmc, > MMC_QUIRK_BLK_NO_CMD23), > + > + /* > + * Some Micron MMC cards needs longer data read timeout than > + * indicated in CSD. > + */ > + MMC_FIXUP("", 0x13, 0x200, add_quirk_mmc, MMC_QUIRK_LONG_READ_TIME),
I think we should use CID_NAME_ANY instead of "", so I'll push that change unless you object. Thanks! - Chris. -- Chris Ball <[email protected]> <http://printf.net/> One Laptop Per Child -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
