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.
This patch-set has been tested in Exynos SoC.
Note:
As RS9113 wireless driver has been introduced newly in Linux-3.15-rc1, we meet some dependency with this patch-set
which has been in the works all the while.
Thus, related modification is applied through " mmc: drop the speed mode of card's state"
---
Changes in v6:
(6/6) Included "mmc: core: add DT bindings for eMMC HS400 1.8/1.2V" into this patch-set
Changes in v5:
(5/5) Added callback operation for HS400 target operation frequency
instead of specific timing identifier.
(2/5) Removed using union declaration.
Changes in v4:
(5/5)Reverting to HS mode is included in mmc_select_hs400() using __mmc_switch().
Changes in v3:
Removed the function to check DDR type(mmc_snoop_ddr).
Rebased with the latest branch.
Seungwon Jeon (6):
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
mmc: add DT bindings for eMMC HS400 1.8/1.2V
Documentation/devicetree/bindings/mmc/mmc.txt | 2 +
drivers/mmc/core/bus.c | 9 +-
drivers/mmc/core/core.c | 3 +-
drivers/mmc/core/debugfs.c | 5 +-
drivers/mmc/core/host.c | 4 +
drivers/mmc/core/mmc.c | 666 +++++++++++++++----------
drivers/mmc/core/sd.c | 16 +-
drivers/mmc/core/sd.h | 1 -
drivers/mmc/core/sdio.c | 8 +-
drivers/net/wireless/rsi/rsi_91x_sdio.c | 4 +-
include/linux/mmc/card.h | 27 +-
include/linux/mmc/host.h | 43 ++-
include/linux/mmc/mmc.h | 23 +-
13 files changed, 487 insertions(+), 324 deletions(-)
Thanks,
sw-j
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