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device is already in *normal* (D0) mode => it doesn't need to be wake-up.

With this patch, we only wake-up (writing on TEST_BYTE register) if PM_MODE
bits of PM_CTRL register is in sleep (D1/D2) mode.

Improve code styling by grouping two narrow comments.

Signed-off-by: Bertrand Cachet <bertrand.cachet at heig-vd.ch>
---
 drivers/net/smc911x.h |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/net/smc911x.h b/drivers/net/smc911x.h
index 8ce08a9..7f4156e 100644
--- a/drivers/net/smc911x.h
+++ b/drivers/net/smc911x.h
@@ -471,8 +471,11 @@ static void smc911x_reset(struct eth_device *dev)
 {
 	int timeout;
 
-	/* Take out of PM setting first */
-	if (smc911x_reg_read(dev, PMT_CTRL) & PMT_CTRL_READY) {
+	/*
+ 	 *  Take out of PM setting first
+ 	 *  Device is already wake up if PMT_CTRL_READY bit is set
+	 */
+	if ((smc911x_reg_read(dev, PMT_CTRL) & PMT_CTRL_READY) == 0) {
 		/* Write to the bytetest will take out of powerdown */
 		smc911x_reg_write(dev, BYTE_TEST, 0x0);
 
-- 
1.7.5.4