mmc: core: SDXC speed class support
authorPavan Kunapuli <pkunapuli@nvidia.com>
Mon, 16 Jul 2012 09:27:35 +0000 (14:27 +0530)
committerSimone Willett <swillett@nvidia.com>
Thu, 26 Jul 2012 01:22:06 +0000 (18:22 -0700)
commit503103dabe8b55358379d4cd3ecd5acac45ebd3d
tree8201c267db8c00381bf1804d9bd1c5d2c086d808
parent484a143002681370f7ff6c8c9c07a22cdca9360a
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