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authorJoerg Roedel <jroedel@suse.de>2015-10-20 17:33:43 +0200
committerJoerg Roedel <jroedel@suse.de>2015-10-21 11:30:33 +0200
commitd1259416985513ba97f75a63ecf5bc75592a4b8d (patch)
tree6117e21d0737dd461a45d8353fdab3b680df1ce5 /drivers/iommu
parentf2c2db53b99eb6c48e259a722eef724d6b53b156 (diff)
downloadlinux-d1259416985513ba97f75a63ecf5bc75592a4b8d.tar.bz2
iommu/amd: Initialize amd_iommu_last_bdf for DEV_ALL
Also initialize the amd_iommu_last_bdf variable when a IVHD_DEV_ALL entry is found in the ACPI table. Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu')
-rw-r--r--drivers/iommu/amd_iommu_init.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c
index 9c6efcb6527e..eca678242e4d 100644
--- a/drivers/iommu/amd_iommu_init.c
+++ b/drivers/iommu/amd_iommu_init.c
@@ -441,6 +441,10 @@ static int __init find_last_devid_from_ivhd(struct ivhd_header *h)
while (p < end) {
dev = (struct ivhd_entry *)p;
switch (dev->type) {
+ case IVHD_DEV_ALL:
+ /* Use maximum BDF value for DEV_ALL */
+ update_last_devid(0xffff);
+ break;
case IVHD_DEV_SELECT:
case IVHD_DEV_RANGE_END:
case IVHD_DEV_ALIAS: