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(parent: d53f706) | patch
e1000e: test for unusable MSI support
authorBruce Allan <bruce.w.allan@intel.com>
Sat, 9 Aug 2008 01:36:11 +0000 (18:36 -0700)
committerJeff Garzik <jgarzik@redhat.com>
Thu, 14 Aug 2008 08:42:29 +0000 (04:42 -0400)
commitf8d59f7826aa73c5e7682fbed6db38020635d466
tree1287e3ee3e5af9adf3b59bce6f70f3823997d875tree | snapshot
parentd53f706da808e6d93dc60b1910233a309009939fcommit | diff
e1000e: test for unusable MSI support

Some systems do not like 82571/2 use of 16-bit MSI messages and some
other systems claim to support MSI, but neither really works.  Setup a
test MSI handler to detect whether or not MSI is working properly, and
if not, fallback to legacy INTx interrupts.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
drivers/net/e1000e/defines.h diff | blob | history
drivers/net/e1000e/e1000.h diff | blob | history
drivers/net/e1000e/netdev.c diff | blob | history
Domain: System / Uncategorized;