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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>
This commit is contained in:
Joerg Roedel 2015-10-20 17:33:43 +02:00
parent f2c2db53b9
commit d125941698
1 changed files with 4 additions and 0 deletions
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4
drivers/iommu/amd_iommu_init.c
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@ -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: