tree 2b774db60438630df46711cd23afcffe29a0d131
parent 1226f6993357300042faae9e379cafcdfe0292d3
author Alexandre Belloni <alexandre.belloni@free-electrons.com> 1487266079 +0100
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1508599297 +0200

i2c: at91: ensure state is restored after suspending


[ Upstream commit e3ccc921b7d8fd1fcd10a00720e09823d8078666 ]

When going to suspend, the I2C registers may be lost because the power to
VDDcore is cut. Restore them when resuming.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>