]> git.baikalelectronics.ru Git - kernel.git/commit
mmc: core: new discard feature support at eMMC v4.5
authorKyungmin Park <kyungmin.park@samsung.com>
Tue, 18 Oct 2011 00:34:04 +0000 (09:34 +0900)
committerChris Ball <cjb@laptop.org>
Wed, 26 Oct 2011 20:32:27 +0000 (16:32 -0400)
commite7f4f71f30c1cbdd9cc9c9263d3224b2f7e5959d
tree955978242b333e1388358b4b50b5f8f4a5abca04
parenta8122a06c671f821b07f7644f20b06997ac400a3
mmc: core: new discard feature support at eMMC v4.5

MMC v4.5 supports the DISCARD feature (CMD38).  It's different from
trim and there's no check bit.  Currently it's only supported at v4.5.

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
drivers/mmc/card/block.c
drivers/mmc/core/core.c
drivers/mmc/core/mmc.c
include/linux/mmc/card.h
include/linux/mmc/core.h