[PATCH v2 0/5] update selection of bus speed mode for eMMC

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This series contains the change for selection of bus speed mode.
Previous implementation is complicated and some sequence is duplicated.
And specially, HS400 mode eMMC5.0 is introduced this time.

- Continued/Updated since "[PATCH 0/3] mmc: update bus speed mode" series.
  (Applied some comments from Ulf Hansson, Jackey Shen.)
- Tested at EXYNOS SOC.

Seungwon Jeon (5):
  mmc: drop the speed mode of card's state
  mmc: identify available device type to select
  mmc: step power class after final selection of bus mode
  mmc: rework selection of bus speed mode
  mmc: add support for HS400 mode of eMMC5.0

 drivers/mmc/core/bus.c     |    9 +-
 drivers/mmc/core/core.c    |    3 +-
 drivers/mmc/core/debugfs.c |    5 +-
 drivers/mmc/core/mmc.c     |  688 +++++++++++++++++++++++++++-----------------
 drivers/mmc/core/sd.c      |   16 +-
 drivers/mmc/core/sd.h      |    1 -
 drivers/mmc/core/sdio.c    |    8 +-
 include/linux/mmc/card.h   |   31 +--
 include/linux/mmc/host.h   |   42 +++-
 include/linux/mmc/mmc.h    |   23 ++-
 10 files changed, 505 insertions(+), 321 deletions(-)


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