mmc: core: SDXC speed class support
authorPavan Kunapuli <pkunapuli@nvidia.com>
Mon, 16 Jul 2012 09:27:35 +0000 (14:27 +0530)
committerVarun Wadekar <vwadekar@nvidia.com>
Mon, 30 Jul 2012 10:55:28 +0000 (15:55 +0530)
commit32081b8edce75e93319bd8467b3c9f7021129559
tree5e4a0e2d33e4afa881199b04a470c17ad90149f6
parent424d9352d01423fe24827ca53735a262e03287fc
mmc: core: SDXC speed class support

Unlike SDSC and SDHC, for SDXC cards CMD20 needs to be
issued to meet the class performance for speed class
recording. Adding mmc_speed_class_control() which should
be used by an AV recording app/utility before starting
recording on an SDXC card.

Bug 969360
Reviewed-on: http://git-master/r/39394
Signed-off-by: Pavan Kunapuli <pkunapuli@nvidia.com>
Reviewed-on: http://git-master/r/115685
(cherry picked from commit 04b8d1287a95e1882d956cdf7997015350408a3c)
Change-Id: Id567effb476ee580de3d49b70201ebae5a13360a
Reviewed-on: http://git-master/r/118038
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Naveen Kumar Arepalli <naveenk@nvidia.com>
Reviewed-by: Bitan Biswas <bbiswas@nvidia.com>
drivers/mmc/core/core.c
drivers/mmc/core/sd_ops.c
drivers/mmc/core/sd_ops.h
include/linux/mmc/host.h
include/linux/mmc/sd.h