* Chris Ball <[email protected]> [120315 20:26]: > Hi Paul, > > On Mon, Mar 12 2012, Paul Walmsley wrote: > > I don't think this is the right fix. Steve Sakoman and I discussed this a > > few months ago -- we did some debugging and Steve observed the timeouts on > > multiple block writes (0x19): > > [...] > > So perhaps something like the following patch instead? Unfortunately, I > > don't have one of these crappy SD cards as far as I know, so I can't > > really test it. > > > > > > - Paul > > > > From: Paul Walmsley <[email protected]> > > Date: Mon, 12 Mar 2012 04:46:29 -0600 > > Subject: [PATCH] mmc: use really long write timeout to deal with crappy > > cards > > > > Several people have noticed that crappy SD cards take much longer to > > complete multiple block writes than the 300ms that Linux specifies. > > Try to work around this by using a three second write timeout instead. > > > > <insert Chase's patch description here> > > > > Not-yet-signed-off-by: Paul Walmsley <[email protected]> > > Sounds like a good idea -- want to send a signed-off patch for this?
This seems like the right fix to me too. Works on my pandaboard es and some random card that produces I/O errors without this. Tested-by: Tony Lindgren <[email protected]> -- 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
