Author: yongari
Date: Wed Nov 25 17:30:38 2009
New Revision: 199807
URL: http://svn.freebsd.org/changeset/base/199807
Log:
Make sure one shot MSI is enabled.
Submitted by: marius
Modified:
head/sys/dev/bge/if_bge.c
Modified: head/sys/dev/bge/if_bge.c
==============================================================================
--- head/sys/dev/bge/if_bge.c Wed Nov 25 16:36:07 2009 (r199806)
+++ head/sys/dev/bge/if_bge.c Wed Nov 25 17:30:38 2009 (r199807)
@@ -2915,6 +2915,8 @@ again:
#if __FreeBSD_version > 700030
if (BGE_IS_5755_PLUS(sc) && sc->bge_flags & BGE_FLAG_MSI) {
/* Take advantage of single-shot MSI. */
+ CSR_WRITE_4(sc, BGE_MSI_MODE, CSR_READ_4(sc, BGE_MSI_MODE) &
+ ~BGE_MSIMODE_ONE_SHOT_DISABLE);
sc->bge_tq = taskqueue_create_fast("bge_taskq", M_WAITOK,
taskqueue_thread_enqueue, &sc->bge_tq);
if (sc->bge_tq == NULL) {
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