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Date: Sat, 21 Nov 2009 01:22:39 -0800
From: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To: davem@...emloft.net
Cc: netdev@...r.kernel.org, gospo@...hat.com,
Bruce Allan <bruce.w.allan@...el.com>,
Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Subject: [net-next-2.6 PATCH 03/23] e1000e: clearing interrupt timers causes
descriptors to get flushed
From: Bruce Allan <bruce.w.allan@...el.com>
Clearing the interrupt timers following an IMS clear has the unwanted
side-effect of flushing all descriptors immediately following a partial
write when interrupts are disabled.
Signed-off-by: Bruce Allan <bruce.w.allan@...el.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
---
drivers/net/e1000e/netdev.c | 2 --
1 files changed, 0 insertions(+), 2 deletions(-)
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 3caa1d5..3845fb6 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -2441,8 +2441,6 @@ static void e1000_configure_rx(struct e1000_adapter *adapter)
ew32(ITR, 1000000000 / (adapter->itr * 256));
ctrl_ext = er32(CTRL_EXT);
- /* Reset delay timers after every interrupt */
- ctrl_ext |= E1000_CTRL_EXT_INT_TIMER_CLR;
/* Auto-Mask interrupts upon ICR access */
ctrl_ext |= E1000_CTRL_EXT_IAME;
ew32(IAM, 0xffffffff);
--
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