mmc: add a function to read and test the ext csd (mmc >= 4)
authorJean-Jacques Hiblot <jjhiblot@ti.com>
Thu, 21 Sep 2017 14:29:52 +0000 (16:29 +0200)
committerJaehoon Chung <jh80.chung@samsung.com>
Fri, 12 Jan 2018 09:11:03 +0000 (18:11 +0900)
commit7382e691ca528785d9d3ca8b74c4811b4f0bfe07
tree83d0015848ab11ebb577786fdfc467346af25ed5
parentdfda9d88e5062620952956f7ed8e2a31ceffa6e6
mmc: add a function to read and test the ext csd (mmc >= 4)

This will be reused later in the selection of high speed and ddr modes.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
drivers/mmc/mmc.c