svn commit: r215343 - user/nwhitehorn/ps3/powerpc/ps3
Nathan Whitehorn
nwhitehorn at FreeBSD.org
Mon Nov 15 18:49:43 UTC 2010
Author: nwhitehorn
Date: Mon Nov 15 18:49:42 2010
New Revision: 215343
URL: http://svn.freebsd.org/changeset/base/215343
Log:
Storage bus devices on the PS3 do not appear to require (or allow) use
of the I/O MMU.
Modified:
user/nwhitehorn/ps3/powerpc/ps3/ps3bus.c
Modified: user/nwhitehorn/ps3/powerpc/ps3/ps3bus.c
==============================================================================
--- user/nwhitehorn/ps3/powerpc/ps3/ps3bus.c Mon Nov 15 17:48:13 2010 (r215342)
+++ user/nwhitehorn/ps3/powerpc/ps3/ps3bus.c Mon Nov 15 18:49:42 2010 (r215343)
@@ -473,6 +473,9 @@ ps3bus_get_dma_tag(device_t dev, device_
struct ps3bus_softc *sc = device_get_softc(dev);
int i, err, flags;
+ if (dinfo->bustype != PS3_BUSTYPE_SYSBUS)
+ return (bus_get_dma_tag(dev));
+
mtx_lock(&dinfo->iommu_mtx);
if (dinfo->dma_tag != NULL) {
mtx_unlock(&dinfo->iommu_mtx);
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