mmc: sdhci-msm: add support for command-queue

Adds support for command-queue (CQ).
MSM driver supports CQ in the hardware. The controller
can send commands to the card and read statuses from the
device. This patch adds support for the same.

Change-Id: I1b19a2ce4c124c96dc6c3852d8f58ad076851f4b
Signed-off-by: Asutosh Das <asutoshd@codeaurora.org>
Signed-off-by: Konstantin Dorfman <kdorfman@codeaurora.org>
Signed-off-by: Venkat Gopalakrishnan <venkatg@codeaurora.org>
[xiaonian@codeaurora.org: fixed trivial merge conflicts]
Signed-off-by: Xiaonian Wang <xiaonian@codeaurora.org>
1 file changed