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authorBruce Allan <bruce.w.allan@intel.com>2009-11-20 23:22:39 +0000
committerDavid S. Miller <davem@davemloft.net>2009-11-21 11:33:46 -0800
commitf4e2c6db7f4453ed5fb2e4342128d0ee3cfcf6bd (patch)
tree5229cf5f87ff3e043e6256a81c20787f0dd84dd2 /drivers/net/e1000e
parente1000e: add missing tests for 82583 in ethtool functions (diff)
downloadlinux-dev-f4e2c6db7f4453ed5fb2e4342128d0ee3cfcf6bd.tar.xz
linux-dev-f4e2c6db7f4453ed5fb2e4342128d0ee3cfcf6bd.zip
e1000e: clearing interrupt timers causes descriptors to get flushed
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@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/e1000e')
-rw-r--r--drivers/net/e1000e/netdev.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 3caa1d5893c4..3845fb698b4d 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);