i2c: rcar: rework hw init

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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>

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Wolfram Sang 2015-11-19 16:56:42 +01:00 • committed by Wolfram Sang

parent e43e0df13f

commit 2c78cdc1c0

1 changed files with 4 additions and 12 deletions

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16

drivers/i2c/busses/i2c-rcar.c

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