netdev - [PATCH 2/4] dm9000: take phy out of reset during init

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Message-Id: <1381912894-4780-3-git-send-email-nikita@compulab.co.il>
Date:	Wed, 16 Oct 2013 11:41:32 +0300
From:	Nikita Kiryanov <nikita@...pulab.co.il>
To:	netdev@...r.kernel.org
Cc:	Nikita Kiryanov <nikita@...pulab.co.il>,
	"David S. Miller" <davem@...emloft.net>,
	Jingoo Han <jg1.han@...sung.com>,
	Mugunthan V N <mugunthanvnm@...com>,
	Igor Grinberg <grinberg@...pulab.co.il>
Subject: [PATCH 2/4] dm9000: take phy out of reset during init

Take the phy out of reset explicitly during system resume to avoid
losing network connectivity.

Cc: David S. Miller <davem@...emloft.net>
Cc: Jingoo Han <jg1.han@...sung.com>
Cc: Mugunthan V N <mugunthanvnm@...com>
Signed-off-by: Nikita Kiryanov <nikita@...pulab.co.il>
Signed-off-by: Igor Grinberg <grinberg@...pulab.co.il>
---
 drivers/net/ethernet/davicom/dm9000.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/davicom/dm9000.c b/drivers/net/ethernet/davicom/dm9000.c
index 912983b..3f650ce 100644
--- a/drivers/net/ethernet/davicom/dm9000.c
+++ b/drivers/net/ethernet/davicom/dm9000.c
@@ -890,6 +890,7 @@ dm9000_init_dm9000(struct net_device *dev)
 			(dev->features & NETIF_F_RXCSUM) ? RCSR_CSUM : 0);
 
 	iow(db, DM9000_GPCR, GPCR_GEP_CNTL);	/* Let GPIO0 output */
+	iow(db, DM9000_GPR, 0);
 
 	/* If we are dealing with DM9000B, some extra steps are required: a
 	 * manual phy reset, and setting init params.
-- 
1.8.1.2

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