svn commit: r184380 - head/sys/dev/bge
Marius Strobl
marius at FreeBSD.org
Mon Oct 27 15:10:02 PDT 2008
Author: marius
Date: Mon Oct 27 22:10:01 2008
New Revision: 184380
URL: http://svn.freebsd.org/changeset/base/184380
Log:
Do as the Linux tg3 driver does and enable MSI support also
for the BCM5714 revision A0 when in a multi-port configuration
and unconditionally for the remainder of the class of BCM575X
and beyond chips.
This was prodded by mav and is based on a suggestion and a
patch submitted by jhb.
Reviewed by: jhb
MFC after: 2 months
Modified:
head/sys/dev/bge/if_bge.c
Modified: head/sys/dev/bge/if_bge.c
==============================================================================
--- head/sys/dev/bge/if_bge.c Mon Oct 27 21:46:58 2008 (r184379)
+++ head/sys/dev/bge/if_bge.c Mon Oct 27 22:10:01 2008 (r184380)
@@ -2328,10 +2328,11 @@ bge_can_use_msi(struct bge_softc *sc)
int can_use_msi = 0;
switch (sc->bge_asicrev) {
+ case BGE_ASICREV_BCM5714_A0:
case BGE_ASICREV_BCM5714:
/*
- * Apparently, MSI doesn't work when this chip is configured
- * in single-port mode.
+ * Apparently, MSI doesn't work when these chips are
+ * configured in single-port mode.
*/
if (bge_has_multiple_ports(sc))
can_use_msi = 1;
@@ -2341,10 +2342,9 @@ bge_can_use_msi(struct bge_softc *sc)
sc->bge_chiprev != BGE_CHIPREV_5750_BX)
can_use_msi = 1;
break;
- case BGE_ASICREV_BCM5752:
- case BGE_ASICREV_BCM5780:
- can_use_msi = 1;
- break;
+ default:
+ if (BGE_IS_575X_PLUS(sc))
+ can_use_msi = 1;
}
return (can_use_msi);
}
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