Am Montag 25 Juni 2007 04:51 schrieb David Brownell: > On Thursday 10 May 2007, Hans-Jürgen Koch wrote: > > Am Donnerstag 10 Mai 2007 22:07 schrieb David Brownell: > > > On Friday 27 April 2007, David Brownell wrote: > > > > On Friday 27 April 2007, Hans-Jürgen Koch wrote: > > > > > > > > > > the m25p80 driver > > > > > > was pretty close to working with those Atmel devices too ... > > > > > > most of the commands are identical. > > > > > > > > > > Thanks for that hint, I'll have a look at the data sheet. > > > > > > Any progress on that? I looked again, and yes most commands > > > are identical. > > Still true. :)
I came to the same conclusion. > > For that and a boatload of other SPI flash chips. I'm > wondering just what that JEDEC standard covers; either > it's got useful command coverage, or vendors of SPI flash > noticed that converging command sets is a Good Thing. > > > > > - That driver relies on an AT91-only SPI stack that's not > > > going upstream, instead of drivers/spi/atmel_spi.c; > > > > > > - Driver can't even be selected on kernel.org kernel (!!); > > > > > > - The m25p80 driver will need at most minor tweaks to > > > handle those AT26 (and AT25) series chips; > > > > > > So 340ea370c2ce89d1c15fbf785460f2f74314ce58 should be reverted. > > Also still true... I agree. > > > > > > > > - Dave > > > > > > > Dave, > > sorry for not responding earlier, I was busy with lots of other > > stuff. At the moment, I'm working on this again. I had a bit > > of trouble getting a recent kernel working on my test system, > > but that seems to be OK now. > > > > You'll hear from me soon. > > Ping? Have a look at > > http://lists.infradead.org/pipermail/linux-mtd/2007-June/018706.html Great! Didn't notice that one. > > which depends on the resent mutex conversion patch in the > "previous message" link of that patch. > > That should highlight more reasons why at91_dataflash should > be reverted ASAP. I'd expect you would be able to just drop > that in and have it work ... Looks like that. > unless you're seeing that nCS0 > issue built out of at91rm9200 errata, in which case there's > an experiment I can forward to you. :) I'll look at that ASAP. I had tons of other work on my desk and last time I tried, SPI was broken on my device. It would be OK for me if you threw out that at91_dataflash/at91_dataflash26 stuff now. Thanks, Hans - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/