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authorRussell King <rmk+kernel@arm.linux.org.uk>2009-09-19 16:47:57 +0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2009-09-19 16:47:57 +0400
commit40d743b8c16a8cf6e30c1d941aa6147f9550ea75 (patch)
tree9fcdf9a06b18a275253048d1ea7c9803cec38845 /drivers/pci/dmar.c
parent7da18afa423f167e7ef3c9728e584d8bf05bd55a (diff)
parent83e686ea0291ee93b87dcdc00b96443b80de56c9 (diff)
downloadlinux-40d743b8c16a8cf6e30c1d941aa6147f9550ea75.tar.xz
Merge branch 'for-rmk' of git://linux-arm.org/linux-2.6
Diffstat (limited to 'drivers/pci/dmar.c')
-rw-r--r--drivers/pci/dmar.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c
index 7b287cb38b7a..ab99783dccec 100644
--- a/drivers/pci/dmar.c
+++ b/drivers/pci/dmar.c
@@ -33,6 +33,7 @@
#include <linux/timer.h>
#include <linux/irq.h>
#include <linux/interrupt.h>
+#include <linux/tboot.h>
#undef PREFIX
#define PREFIX "DMAR:"
@@ -413,6 +414,12 @@ parse_dmar_table(void)
*/
dmar_table_detect();
+ /*
+ * ACPI tables may not be DMA protected by tboot, so use DMAR copy
+ * SINIT saved in SinitMleData in TXT heap (which is DMA protected)
+ */
+ dmar_tbl = tboot_get_dmar_table(dmar_tbl);
+
dmar = (struct acpi_table_dmar *)dmar_tbl;
if (!dmar)
return -ENODEV;