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[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 <jesse.brandeburg@intel.com>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Jesse Brandeburg 2006-12-15 10:29:31 +01:00 committed by Jeff Garzik
parent 3bf8ba38f3
commit 7d16e65ba5
1 changed files with 3 additions and 1 deletions

View File

@ -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 {