On Fri, Apr 02, 2010 at 03:29:32AM +0200, Wolfram Sang wrote: > On Thu, Apr 01, 2010 at 03:22:35PM +0200, Hans J. Koch wrote: > > On Thu, Apr 01, 2010 at 03:20:17PM +0200, Daniel Mack wrote: > > > On Thu, Apr 01, 2010 at 02:57:40PM +0200, Hans J. Koch wrote: > > > > I need to get the MMC interface of an i.MX35 to work in the near future. > > > > To avoid duplicate work, I'd like to know if anybody already started > > > > work on this. > > > > > > Is the controller very different from the one which is already supported > > > for MX31? > > > > Yep. Completely different beast. Unfortunately. > > (CCing linux-mmc) > > And it is a mess, really :( > > The kernel already has an esdhc-driver (and Anton already worked around a > number of hardware-bugs), but is tied into an of-driver because the core was > also used on PowerPC. There, it utilizes a 32-bit-byte-swaper which is not > needed on ARM. So, one has to rip all that out, generalize the sdhc-platform > support (possibly also abstract the quirk support) and make sure nothing > breaks. FYI, there is sdhci-pltfm driver, + some patches to add quirks support: http://lkml.org/lkml/2010/3/16/337 These patches are already in the -mm tree. Thanks, -- Anton Vorontsov email: cbouatmailru@xxxxxxxxx irc://irc.freenode.net/bd2 -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
