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Revert "i2c: rcar: remove spinlock"
authorSergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Sat, 23 Aug 2014 20:44:09 +0000 (00:44 +0400)
committerWolfram Sang <wsa@the-dreams.de>
Thu, 4 Sep 2014 17:59:42 +0000 (19:59 +0200)
This reverts commit 150b8be3cda54412ad7b54f5392b513b25c0aaa7.

The I2C core's per-adapter locks can't protect from IRQs, so the driver still
needs a spinlock to protect the register accesses.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Cc: stable@vger.kernel.org # 3.16+
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
drivers/i2c/busses/i2c-rcar.c patch | blob | history

diff --cc drivers/i2c/busses/i2c-rcar.c
Simple merge
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