netdev - [PATCH 1/3] pch_gbe: fix transmit watchdog timeout

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Message-ID: <20120726155907.GB10287@telcoserv5>
Date:	Thu, 26 Jul 2012 11:59:07 -0400
From:	Andy Cress <andycress@...il.com>
To:	netdev@...r.kernel.org
Subject: [PATCH 1/3] pch_gbe: fix transmit watchdog timeout


An extended ping test with 6 vlans resulted in a driver oops with a
netdev transmit timeout.
Fix WATCHDOG_TIMEOUT to be more like e1000e at 5 * HZ, to avoid 
unnecessary transmit timeouts.

Signed-off-by: Andy Cress <andy.cress@...kontron.com>

diff --git a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c
index 4c04843..a746064 100644
--- a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c
+++ b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c
@@ -35,7 +35,7 @@ const char pch_driver_version[] = DRV_VERSION;
 #define DSC_INIT16			0xC000
 #define PCH_GBE_DMA_ALIGN		0
 #define PCH_GBE_DMA_PADDING		2
-#define PCH_GBE_WATCHDOG_PERIOD		(1 * HZ)	/* watchdog time */
+#define PCH_GBE_WATCHDOG_PERIOD		(5 * HZ)	/* watchdog time */
 #define PCH_GBE_COPYBREAK_DEFAULT	256
 #define PCH_GBE_PCI_BAR			1
 #define PCH_GBE_RESERVE_MEMORY		0x200000	/* 2MB */
--
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