diff options
| author | Rafael J. Wysocki | 2017-07-03 14:13:44 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki | 2017-07-03 14:13:44 +0200 |
| commit | 875aabf52e21f84cb6700a760dc734c260c54e7e (patch) | |
| tree | 6c5b012dc066ef584cd5ba31fab1b7381db08281 /drivers/iommu/dmar.c | |
| parent | c0bc126f97fb929b3ae02c1c62322645d70eb408 (diff) | |
| parent | 87085ff2e90ecfa91f8bb0cb0ce19ea661bd6f83 (diff) | |
Merge branch 'uuid-types'
Merge 'uuid-types' from git://git.infradead.org/users/hch/uuid.git
Diffstat (limited to 'drivers/iommu/dmar.c')
| -rw-r--r-- | drivers/iommu/dmar.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c index cbf7763d8091..c8b0329c85d2 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 guid_t dmar_hp_guid = + GUID_INIT(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_guid, 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_guid, DMAR_DSM_REV_ID, func, NULL, ACPI_TYPE_BUFFER); if (!obj) return -ENODEV; |