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i2c: rcar: rework hw init
authorWolfram Sang <wsa+renesas@sang-engineering.com>
Thu, 19 Nov 2015 15:56:42 +0000 (16:56 +0100)
committerWolfram Sang <wsa@the-dreams.de>
Mon, 30 Nov 2015 13:20:04 +0000 (14:20 +0100)
commit2c78cdc1c06308a59d6ed4145cdba73fdeff8c0d
treed4113b9798aefad78b28e789a55660273125ae1atree | snapshot (tar.gz zip)
parente43e0df13f8528ca55ed79f469c4b2af897fa796commit | diff
i2c: rcar: rework hw init

We don't need to init HW before every transfer since we know the HW
state then. HW init at probe time is enough. While here, add setting the
clock register which belongs to init HW. Also, set MDBS bit since not
setting it is prohibited according to the manual.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
drivers/i2c/busses/i2c-rcar.c diff | blob | blame | history