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mmc: core: Add support for HS400 re-tuning
authorAdrian Hunter <adrian.hunter@intel.com>
Mon, 20 Apr 2015 12:09:51 +0000 (15:09 +0300)
committerChih-Wei Huang <cwhuang@linux.org.tw>
Tue, 28 Apr 2015 17:05:32 +0000 (01:05 +0800)
commit74868baf6b449c294b035b2529379ca43a17abdf
treed71db90763c09de5a543bfc41bc8c2908cdb4fb5
parentc34e613d4f88c2cab4cead4481d12e0371afc1a7
mmc: core: Add support for HS400 re-tuning

HS400 re-tuning must be done in HS200 mode. Add
the ability to switch from HS400 mode to HS200
mode before re-tuning and switch back to HS400
after re-tuning.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
drivers/mmc/core/core.h
drivers/mmc/core/host.c
drivers/mmc/core/mmc.c