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    SubjectRe: [PATCH 12/19] mmc: mmci: add variant property to request a reset
    On Tue, Jun 12, 2018 at 03:14:33PM +0200, Ludovic Barre wrote:
    > From: Ludovic Barre <ludovic.barre@st.com>
    >
    > Some variants could require a reset.
    > STM32 sdmmc variant needs to reset hardware block
    > during the power cycle procedure (for re-initialization)
    >
    > Signed-off-by: Ludovic Barre <ludovic.barre@st.com>
    > ---
    > Documentation/devicetree/bindings/mmc/mmci.txt | 2 ++
    > drivers/mmc/host/mmci.c | 9 +++++++++
    > drivers/mmc/host/mmci.h | 4 ++++
    > 3 files changed, 15 insertions(+)
    >
    > diff --git a/Documentation/devicetree/bindings/mmc/mmci.txt b/Documentation/devicetree/bindings/mmc/mmci.txt
    > index 03796cf..e952707 100644
    > --- a/Documentation/devicetree/bindings/mmc/mmci.txt
    > +++ b/Documentation/devicetree/bindings/mmc/mmci.txt
    > @@ -11,6 +11,8 @@ Required properties:
    > - compatible : contains "arm,pl18x", "arm,primecell".
    > - vmmc-supply : phandle to the regulator device tree node, mentioned
    > as the VCC/VDD supply in the eMMC/SD specs.
    > +depend of variant:

    Just make it an optional property.

    > +- resets : phandle to internal reset line.
    >
    > Optional properties:
    > - arm,primecell-periphid : contains the PrimeCell Peripheral ID, it overrides

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