From 7d16e65ba57f181732ec52626736b27904198edf Mon Sep 17 00:00:00 2001 From: Jesse Brandeburg Date: Fri, 15 Dec 2006 10:29:31 +0100 Subject: [PATCH] [PATCH] e1000: The user-supplied itr setting needs the lower 2 bits masked off The lower 2 bits of a user-supplied itr setting (via ethtool) need to be masked off: These lower two bits are used as control bits. Signed-off-by: Jesse Brandeburg Signed-off-by: Auke Kok Signed-off-by: Arjan van de Ven Signed-off-by: Jeff Garzik --- drivers/net/e1000/e1000_param.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/e1000/e1000_param.c b/drivers/net/e1000/e1000_param.c index cbfcd7f288..cf2a279307 100644 --- a/drivers/net/e1000/e1000_param.c +++ b/drivers/net/e1000/e1000_param.c @@ -487,7 +487,9 @@ e1000_check_options(struct e1000_adapter *adapter) e1000_validate_option(&adapter->itr, &opt, adapter); /* save the setting, because the dynamic bits change itr */ - adapter->itr_setting = adapter->itr; + /* clear the lower two bits because they are + * used as control */ + adapter->itr_setting = adapter->itr & ~3; break; } } else { -- 2.39.5