mmc: mmci_sdmmc: Implement signal voltage callbacks

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To prepare the voltage switch procedure, the VSWITCHEN bit must be set
before sending the CMD11. To confirm completion of voltage switch, the
VSWEND flag must be checked.

Signed-off-by: Ludovic Barre <ludovic.barre@st.com>
Link: https://lore.kernel.org/r/20200128090636.13689-9-ludovic.barre@st.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

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Ludovic Barre 2020-01-28 10:06:35 +01:00 • committed by Ulf Hansson

parent 7577316528

commit 94b94a93e3

2 changed files with 47 additions and 0 deletions

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4

drivers/mmc/host/mmci.h

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43

drivers/mmc/host/mmci_stm32_sdmmc.c

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