Zhao Chenhui 531183e5d2 i2c-mpc: avoid I2C abnormal after resuming from deep sleep ...

When entering deep sleep, the value in the registers I2CFDR and
I2CDFSRR are lost. This causes I2C access to fail after resuming.

Add suspend/resume routines to save/restore the registers
I2CFDR and I2CDFSRR.

Signed-off-by: Zhao Chenhui <chenhui.zhao@freescale.com>
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>

2012-05-12 14:28:12 +02:00

20 KiB

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