netdev - [PATCH net 1/6] lan78xx: Check device ready bit (PMT_CTL_READY

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Message-ID: <9235D6609DB808459E95D78E17F2E43D55C688@CHN-SV-EXMX02.mchp-main.com>
Date:	Wed, 16 Sep 2015 23:40:39 +0000
From:	<Woojung.Huh@...rochip.com>
To:	<davem@...emloft.net>
CC:	<netdev@...r.kernel.org>
Subject: [PATCH net 1/6] lan78xx: Check device ready bit (PMT_CTL_READY_)
 after reset the PHY

Check device ready bit (PMT_CTL_READY_) after reset the PHY.
Device may not be ready even if PHY_RST_ is cleared depends on configuration.

Signed-off-by: Woojung Huh <woojung.huh@...rochip.com>
---
 drivers/net/usb/lan78xx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
index a39518f..d0d8790 100644
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c
@@ -2002,7 +2002,7 @@ static int lan78xx_reset(struct lan78xx_net *dev)
 			netdev_warn(dev->net, "timeout waiting for PHY Reset");
 			return -EIO;
 		}
-	} while (buf & PMT_CTL_PHY_RST_);
+	} while ((buf & PMT_CTL_PHY_RST_) || !(buf & PMT_CTL_READY_));
 
 	lan78xx_mii_init(dev);
 
-- 
2.1.4

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