mmc: sdio: Fix SDIO 3.0 UHS-I initialization sequence
authorSujit Reddy Thumma <sthumma@codeaurora.org>
Tue, 4 Dec 2012 11:36:19 +0000 (17:06 +0530)
committerChris Ball <cjb@laptop.org>
Mon, 11 Feb 2013 17:51:23 +0000 (12:51 -0500)
commit41875e388401ad97c33252d5fa39d52e0b70ee9b
tree2f76e0c6660f00920589fde0fed7489d30008523
parent51aa66a58494f869f491eedda86c409c50536c14
mmc: sdio: Fix SDIO 3.0 UHS-I initialization sequence

According to UHS-I initialization sequence for SDIO 3.0 cards,
the host must set bit[24] (S18R) of OCR register during OCR
handshake to know whether the SDIO card is capable of doing
1.8V I/O.

Signed-off-by: Sujit Reddy Thumma <sthumma@codeaurora.org>
Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
Reviewed-by: Johan Rudholm <johan.rudholm@stericsson.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
drivers/mmc/core/sdio.c
include/linux/mmc/host.h