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authorMichal Miroslaw2010-08-10 18:01:40 -0700
committerLinus Torvalds2010-08-11 08:59:02 -0700
commit71578a1eaa7b8b9bd3efc9c97d77ef2b63d5dc2b (patch)
tree1245fd417521d700ba466809a3f5ab282506c255 /COPYING
parent6da24b786ed1963a7f872c1899627968c76d17d7 (diff)
mmc: split mmc_sd_init_card()
This series adds support for SD combo cards to MMC/SD driver stack. SD combo consists of SD memory and SDIO parts in one package. Since the parts have a separate SD command sets, after initialization, they can be treated as independent cards on one bus. Changes are divided into two patches. First is just moving initialization code around so that SD memory part init can be called from SDIO init. Second patch is a proper change enabling SD memory along SDIO. I tried to move as much no-op changes to the first patch so that it's easier to follow the required changes to initialization flow for SDIO cards. This is based on Simplified SDIO spec v.2.00. The init sequence is slightly modified to follow current SD memory init implementation. Command sequences, assuming SD memory and SDIO indeed ignore unknown commands, are the same as before for both parts. This patch: Prepare for SD-combo (IO+mem) support by splitting SD memory card init and related functions. Signed-off-by: Michal Miroslaw <mirq-linux@rere.qmqm.pl> Cc: Adrian Hunter <adrian.hunter@nokia.com> Cc: Chris Ball <cjb@laptop.org> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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