[PATCH] Support power management in i2c mv64xx driver

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Added resume operation for PM support

Signed-off-by: Konstantin Porotchkin <kostap@xxxxxxxxxxx>
---
 drivers/i2c/busses/i2c-mv64xxx.c |   14 ++++++++++++++
 1 files changed, 14 insertions(+), 0 deletions(-)

diff --git a/drivers/i2c/busses/i2c-mv64xxx.c b/drivers/i2c/busses/i2c-mv64xxx.c
index a6e9a3f..b246dab 100644
--- a/drivers/i2c/busses/i2c-mv64xxx.c
+++ b/drivers/i2c/busses/i2c-mv64xxx.c
@@ -638,9 +638,23 @@ mv64xxx_i2c_remove(struct platform_device *dev)
 	return rc;
 }
 
+#ifdef CONFIG_PM
+static int
+mv64xxx_i2c_resume(struct platform_device *dev)
+{
+	struct mv64xxx_i2c_data	*drv_data = platform_get_drvdata(dev);
+	mv64xxx_i2c_hw_init(drv_data);
+	return 0;
+}
+
+#else
+#define mv64xxx_i2c_resume NULL
+#endif
+
 static struct platform_driver mv64xxx_i2c_driver = {
 	.probe	= mv64xxx_i2c_probe,
 	.remove	= __devexit_p(mv64xxx_i2c_remove),
+	.resume = mv64xxx_i2c_resume,
 	.driver	= {
 		.owner	= THIS_MODULE,
 		.name	= MV64XXX_I2C_CTLR_NAME,
-- 
1.7.4.1

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