4 May
2017
4 May
'17
2:46 p.m.
On Thu, May 04, 2017 at 12:21:51PM +0300, Andy Shevchenko wrote:
diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c index cbf7763d8091..420d51b286ad 100644 --- a/drivers/iommu/dmar.c +++ b/drivers/iommu/dmar.c @@ -1808,10 +1808,9 @@ IOMMU_INIT_POST(detect_intel_iommu);
- for Directed-IO Architecture Specifiction, Rev 2.2, Section 8.8
- "Remapping Hardware Unit Hot Plug".
*/ -static u8 dmar_hp_uuid[] = {
- /* 0000 */ 0xA6, 0xA3, 0xC1, 0xD8, 0x9B, 0xBE, 0x9B, 0x4C,
- /* 0008 */ 0x91, 0xBF, 0xC3, 0xCB, 0x81, 0xFC, 0x5D, 0xAF
-}; +static uuid_le dmar_hp_uuid =
- UUID_LE(0xD8C1A3A6, 0xBE9B, 0x4C9B,
0x91, 0xBF, 0xC3, 0xCB, 0x81, 0xFC, 0x5D, 0xAF);/*
- Currently there's only one revision and BIOS will not check the revision id,
@@ -1824,7 +1823,7 @@ static u8 dmar_hp_uuid[] = {
static inline bool dmar_detect_dsm(acpi_handle handle, int func) {
- return acpi_check_dsm(handle, dmar_hp_uuid, DMAR_DSM_REV_ID, 1 << func);
- return acpi_check_dsm(handle, &dmar_hp_uuid, DMAR_DSM_REV_ID, 1 << func);
}
static int dmar_walk_dsm_resource(acpi_handle handle, int func, @@ -1843,7 +1842,7 @@ static int dmar_walk_dsm_resource(acpi_handle handle, int func, if (!dmar_detect_dsm(handle, func)) return 0;
- obj = acpi_evaluate_dsm_typed(handle, dmar_hp_uuid, DMAR_DSM_REV_ID,
- obj = acpi_evaluate_dsm_typed(handle, &dmar_hp_uuid, DMAR_DSM_REV_ID, func, NULL, ACPI_TYPE_BUFFER); if (!obj) return -ENODEV;
DMAR part is
Acked-by: Joerg Roedel jroedel@suse.de