Messages in this thread | | | Date | Tue, 8 Jan 2008 20:21:57 +0100 | From | Pierre Ossman <> | Subject | Re: [patch] split MMC_CAP_4_BIT_DATA |
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On Tue, 8 Jan 2008 13:29:39 -0500 Mike Frysinger <vapier.adi@gmail.com> wrote:
> The on-chip Blackfin MMC/SD/SDIO host controller has the ability to do 1-bit > MMC, 1-bit/4-bit SD, and 1-bit/4-bit SDIO. Thus the current convention of > MMC_CAP_4_BIT_DATA meaning "your host controller can do 1-bit or 4-bit for all > modes" is insufficient for our needs. The attached patch splits > MMC_CAP_4_BIT_DATA into MMC_CAP_MMC_4_BIT_DATA and MMC_CAP_SD_4_BIT_DATA and > updates all host controllers to include these in their caps and then changes > existing code to check the new defines. At the moment, SD/SDIO are lumped > into MMC_CAP_SD_4_BIT_DATA ... should I bother with splitting that into SD and > SDIO as well while I'm doing this ? > > Signed-off-by: Mike Frysinger <vapier@gentoo.org>
I fail to see why you need to split MMC and SD. Could you elaborate why the controller won't work with MMC cards? I haven't seen any differences from SD.
Rgds -- -- Pierre Ossman
Linux kernel, MMC maintainer http://www.kernel.org PulseAudio, core developer http://pulseaudio.org rdesktop, core developer http://www.rdesktop.org
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