From patchwork Wed Feb 17 12:17:23 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 8339591 Return-Path: X-Original-To: patchwork-dri-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 423039F399 for ; Wed, 17 Feb 2016 14:33:38 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 8A922203AB for ; Wed, 17 Feb 2016 14:33:34 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id A456220383 for ; Wed, 17 Feb 2016 14:33:30 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 94FE76E9DF; Wed, 17 Feb 2016 14:33:29 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTP id 7919D6E987 for ; Wed, 17 Feb 2016 12:17:45 +0000 (UTC) Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga104.fm.intel.com with ESMTP; 17 Feb 2016 04:17:45 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.22,460,1449561600"; d="scan'208";a="49411667" Received: from black.fi.intel.com ([10.237.72.93]) by fmsmga004.fm.intel.com with ESMTP; 17 Feb 2016 04:17:41 -0800 Received: by black.fi.intel.com (Postfix, from userid 1003) id D6CF866C; Wed, 17 Feb 2016 14:17:31 +0200 (EET) From: Andy Shevchenko To: "Rafael J. Wysocki" , "Theodore Ts'o" , Arnd Bergmann , Greg Kroah-Hartman , Jarkko Sakkinen , Jani Nikula , David Airlie , Benjamin Tissoires , Bjorn Helgaas , Mathias Nyman , Matt Fleming , Lv Zheng , Mark Brown , Zhang Rui , Mika Westerberg , Andrew Morton , Rasmus Villemoes , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-efi@vger.kernel.org, linux-api@vger.kernel.org, linux-nvdimm@lists.01.org Subject: [PATCH v1 05/10] ACPI: switch to use generic UUID API Date: Wed, 17 Feb 2016 14:17:23 +0200 Message-Id: <1455711448-124103-6-git-send-email-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.7.0 In-Reply-To: <1455711448-124103-1-git-send-email-andriy.shevchenko@linux.intel.com> References: <1455711448-124103-1-git-send-email-andriy.shevchenko@linux.intel.com> X-Mailman-Approved-At: Wed, 17 Feb 2016 14:33:23 +0000 Cc: Andy Shevchenko X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Instead of opencoding the existing library functions let's use them directly. The conversion fixes a potential bug in int340x_thermal as well since we have to use memcmp() on binary data. Signed-off-by: Andy Shevchenko --- drivers/acpi/acpi_extlog.c | 8 +++--- drivers/acpi/bus.c | 29 ++----------------- drivers/acpi/nfit.c | 34 +++++++++++------------ drivers/acpi/nfit.h | 3 +- drivers/acpi/utils.c | 4 +-- drivers/char/tpm/tpm_crb.c | 9 +++--- drivers/char/tpm/tpm_ppi.c | 20 ++++++------- drivers/gpu/drm/i915/intel_acpi.c | 14 ++++------ drivers/gpu/drm/nouveau/nouveau_acpi.c | 20 ++++++------- drivers/gpu/drm/nouveau/nvkm/subdev/mxm/base.c | 9 +++--- drivers/hid/i2c-hid/i2c-hid.c | 9 +++--- drivers/iommu/dmar.c | 11 ++++---- drivers/pci/pci-acpi.c | 11 ++++---- drivers/pci/pci-label.c | 4 +-- drivers/thermal/int340x_thermal/int3400_thermal.c | 6 ++-- drivers/usb/host/xhci-pci.c | 9 +++--- include/acpi/acpi_bus.h | 10 ++++--- include/linux/acpi.h | 2 +- include/linux/pci-acpi.h | 2 +- sound/soc/intel/skylake/skl-nhlt.c | 7 +++-- 20 files changed, 92 insertions(+), 129 deletions(-) diff --git a/drivers/acpi/acpi_extlog.c b/drivers/acpi/acpi_extlog.c index b3842ff..a3a25ec 100644 --- a/drivers/acpi/acpi_extlog.c +++ b/drivers/acpi/acpi_extlog.c @@ -45,7 +45,9 @@ struct extlog_l1_head { static int old_edac_report_status; -static u8 extlog_dsm_uuid[] __initdata = "663E35AF-CC10-41A4-88EA-5470AF055295"; +static uuid_le extlog_dsm_uuid __initdata = + UUID_LE(0x663E35AF, 0xCC10, 0x41A4, + 0x88, 0xEA, 0x54, 0x70, 0xAF, 0x05, 0x52, 0x95); /* L1 table related physical address */ static u64 elog_base; @@ -182,12 +184,10 @@ out: static bool __init extlog_get_l1addr(void) { - u8 uuid[16]; + uuid_le *uuid = &extlog_dsm_uuid; acpi_handle handle; union acpi_object *obj; - acpi_str_to_uuid(extlog_dsm_uuid, uuid); - if (ACPI_FAILURE(acpi_get_handle(NULL, "\\_SB", &handle))) return false; if (!acpi_check_dsm(handle, uuid, EXTLOG_DSM_REV, 1 << EXTLOG_FN_ADDR)) diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 891c42d..80db48b 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -192,42 +192,19 @@ static void acpi_print_osc_error(acpi_handle handle, printk("\n"); } -acpi_status acpi_str_to_uuid(char *str, u8 *uuid) -{ - int i; - static int opc_map_to_uuid[16] = {6, 4, 2, 0, 11, 9, 16, 14, 19, 21, - 24, 26, 28, 30, 32, 34}; - - if (strlen(str) != 36) - return AE_BAD_PARAMETER; - for (i = 0; i < 36; i++) { - if (i == 8 || i == 13 || i == 18 || i == 23) { - if (str[i] != '-') - return AE_BAD_PARAMETER; - } else if (!isxdigit(str[i])) - return AE_BAD_PARAMETER; - } - for (i = 0; i < 16; i++) { - uuid[i] = hex_to_bin(str[opc_map_to_uuid[i]]) << 4; - uuid[i] |= hex_to_bin(str[opc_map_to_uuid[i] + 1]); - } - return AE_OK; -} -EXPORT_SYMBOL_GPL(acpi_str_to_uuid); - acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context) { acpi_status status; struct acpi_object_list input; union acpi_object in_params[4]; union acpi_object *out_obj; - u8 uuid[16]; + uuid_le uuid; u32 errors; struct acpi_buffer output = {ACPI_ALLOCATE_BUFFER, NULL}; if (!context) return AE_ERROR; - if (ACPI_FAILURE(acpi_str_to_uuid(context->uuid_str, uuid))) + if (uuid_le_to_bin(context->uuid_str, &uuid)) return AE_ERROR; context->ret.length = ACPI_ALLOCATE_BUFFER; context->ret.pointer = NULL; @@ -237,7 +214,7 @@ acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context) input.pointer = in_params; in_params[0].type = ACPI_TYPE_BUFFER; in_params[0].buffer.length = 16; - in_params[0].buffer.pointer = uuid; + in_params[0].buffer.pointer = (char *)&uuid; in_params[1].type = ACPI_TYPE_INTEGER; in_params[1].integer.value = context->rev; in_params[2].type = ACPI_TYPE_INTEGER; diff --git a/drivers/acpi/nfit.c b/drivers/acpi/nfit.c index ad6d8c6..3beb99b 100644 --- a/drivers/acpi/nfit.c +++ b/drivers/acpi/nfit.c @@ -43,11 +43,11 @@ struct nfit_table_prev { struct list_head flushes; }; -static u8 nfit_uuid[NFIT_UUID_MAX][16]; +static uuid_le nfit_uuid[NFIT_UUID_MAX]; -const u8 *to_nfit_uuid(enum nfit_uuids id) +const uuid_le *to_nfit_uuid(enum nfit_uuids id) { - return nfit_uuid[id]; + return &nfit_uuid[id]; } EXPORT_SYMBOL(to_nfit_uuid); @@ -83,7 +83,7 @@ static int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc, const char *cmd_name, *dimm_name; unsigned long dsm_mask; acpi_handle handle; - const u8 *uuid; + const uuid_le *uuid; u32 offset; int rc, i; @@ -225,7 +225,7 @@ static int nfit_spa_type(struct acpi_nfit_system_address *spa) int i; for (i = 0; i < NFIT_UUID_MAX; i++) - if (memcmp(to_nfit_uuid(i), spa->range_guid, 16) == 0) + if (!uuid_le_cmp(*to_nfit_uuid(i), *(uuid_le *)spa->range_guid)) return i; return -1; } @@ -829,7 +829,7 @@ static int acpi_nfit_add_dimm(struct acpi_nfit_desc *acpi_desc, { struct acpi_device *adev, *adev_dimm; struct device *dev = acpi_desc->dev; - const u8 *uuid = to_nfit_uuid(NFIT_DEV_DIMM); + const uuid_le *uuid = to_nfit_uuid(NFIT_DEV_DIMM); int i; nfit_mem->dsm_mask = acpi_desc->dimm_dsm_force_en; @@ -909,7 +909,7 @@ static int acpi_nfit_register_dimms(struct acpi_nfit_desc *acpi_desc) static void acpi_nfit_init_dsms(struct acpi_nfit_desc *acpi_desc) { struct nvdimm_bus_descriptor *nd_desc = &acpi_desc->nd_desc; - const u8 *uuid = to_nfit_uuid(NFIT_DEV_BUS); + const uuid_le *uuid = to_nfit_uuid(NFIT_DEV_BUS); struct acpi_device *adev; int i; @@ -2079,16 +2079,16 @@ static __init int nfit_init(void) BUILD_BUG_ON(sizeof(struct acpi_nfit_control_region) != 80); BUILD_BUG_ON(sizeof(struct acpi_nfit_data_region) != 40); - acpi_str_to_uuid(UUID_VOLATILE_MEMORY, nfit_uuid[NFIT_SPA_VOLATILE]); - acpi_str_to_uuid(UUID_PERSISTENT_MEMORY, nfit_uuid[NFIT_SPA_PM]); - acpi_str_to_uuid(UUID_CONTROL_REGION, nfit_uuid[NFIT_SPA_DCR]); - acpi_str_to_uuid(UUID_DATA_REGION, nfit_uuid[NFIT_SPA_BDW]); - acpi_str_to_uuid(UUID_VOLATILE_VIRTUAL_DISK, nfit_uuid[NFIT_SPA_VDISK]); - acpi_str_to_uuid(UUID_VOLATILE_VIRTUAL_CD, nfit_uuid[NFIT_SPA_VCD]); - acpi_str_to_uuid(UUID_PERSISTENT_VIRTUAL_DISK, nfit_uuid[NFIT_SPA_PDISK]); - acpi_str_to_uuid(UUID_PERSISTENT_VIRTUAL_CD, nfit_uuid[NFIT_SPA_PCD]); - acpi_str_to_uuid(UUID_NFIT_BUS, nfit_uuid[NFIT_DEV_BUS]); - acpi_str_to_uuid(UUID_NFIT_DIMM, nfit_uuid[NFIT_DEV_DIMM]); + uuid_le_to_bin(UUID_VOLATILE_MEMORY, &nfit_uuid[NFIT_SPA_VOLATILE]); + uuid_le_to_bin(UUID_PERSISTENT_MEMORY, &nfit_uuid[NFIT_SPA_PM]); + uuid_le_to_bin(UUID_CONTROL_REGION, &nfit_uuid[NFIT_SPA_DCR]); + uuid_le_to_bin(UUID_DATA_REGION, &nfit_uuid[NFIT_SPA_BDW]); + uuid_le_to_bin(UUID_VOLATILE_VIRTUAL_DISK, &nfit_uuid[NFIT_SPA_VDISK]); + uuid_le_to_bin(UUID_VOLATILE_VIRTUAL_CD, &nfit_uuid[NFIT_SPA_VCD]); + uuid_le_to_bin(UUID_PERSISTENT_VIRTUAL_DISK, &nfit_uuid[NFIT_SPA_PDISK]); + uuid_le_to_bin(UUID_PERSISTENT_VIRTUAL_CD, &nfit_uuid[NFIT_SPA_PCD]); + uuid_le_to_bin(UUID_NFIT_BUS, &nfit_uuid[NFIT_DEV_BUS]); + uuid_le_to_bin(UUID_NFIT_DIMM, &nfit_uuid[NFIT_DEV_DIMM]); return acpi_bus_register_driver(&acpi_nfit_driver); } diff --git a/drivers/acpi/nfit.h b/drivers/acpi/nfit.h index 3d549a3..88b73e8 100644 --- a/drivers/acpi/nfit.h +++ b/drivers/acpi/nfit.h @@ -16,7 +16,6 @@ #define __NFIT_H__ #include #include -#include #include #include @@ -180,7 +179,7 @@ static inline struct acpi_nfit_desc *to_acpi_desc( return container_of(nd_desc, struct acpi_nfit_desc, nd_desc); } -const u8 *to_nfit_uuid(enum nfit_uuids id); +const uuid_le *to_nfit_uuid(enum nfit_uuids id); int acpi_nfit_init(struct acpi_nfit_desc *nfit, acpi_size sz); extern const struct attribute_group *acpi_nfit_attribute_groups[]; #endif /* __NFIT_H__ */ diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c index f2f9873..a56a995 100644 --- a/drivers/acpi/utils.c +++ b/drivers/acpi/utils.c @@ -629,7 +629,7 @@ acpi_status acpi_evaluate_lck(acpi_handle handle, int lock) * some old BIOSes do expect a buffer or an integer etc. */ union acpi_object * -acpi_evaluate_dsm(acpi_handle handle, const u8 *uuid, int rev, int func, +acpi_evaluate_dsm(acpi_handle handle, const uuid_le *uuid, int rev, int func, union acpi_object *argv4) { acpi_status ret; @@ -678,7 +678,7 @@ EXPORT_SYMBOL(acpi_evaluate_dsm); * functions. Currently only support 64 functions at maximum, should be * enough for now. */ -bool acpi_check_dsm(acpi_handle handle, const u8 *uuid, int rev, u64 funcs) +bool acpi_check_dsm(acpi_handle handle, const uuid_le *uuid, int rev, u64 funcs) { int i; u64 mask = 0; diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c index 916332c..57e6e82 100644 --- a/drivers/char/tpm/tpm_crb.c +++ b/drivers/char/tpm/tpm_crb.c @@ -24,10 +24,9 @@ #define ACPI_SIG_TPM2 "TPM2" -static const u8 CRB_ACPI_START_UUID[] = { - /* 0000 */ 0xAB, 0x6C, 0xBF, 0x6B, 0x63, 0x54, 0x14, 0x47, - /* 0008 */ 0xB7, 0xCD, 0xF0, 0x20, 0x3C, 0x03, 0x68, 0xD4 -}; +static const uuid_le crb_acpi_start_uuid = + UUID_LE(0x6BBF6CAB, 0x5463, 0x4714, + 0xB7, 0xCD, 0xF0, 0x20, 0x3C, 0x03, 0x68, 0xD4); enum crb_defaults { CRB_ACPI_START_REVISION_ID = 1, @@ -127,7 +126,7 @@ static int crb_do_acpi_start(struct tpm_chip *chip) int rc; obj = acpi_evaluate_dsm(chip->acpi_dev_handle, - CRB_ACPI_START_UUID, + &crb_acpi_start_uuid, CRB_ACPI_START_REVISION_ID, CRB_ACPI_START_INDEX, NULL); diff --git a/drivers/char/tpm/tpm_ppi.c b/drivers/char/tpm/tpm_ppi.c index 692a2c6..7cf6824 100644 --- a/drivers/char/tpm/tpm_ppi.c +++ b/drivers/char/tpm/tpm_ppi.c @@ -32,20 +32,16 @@ #define PPI_VS_REQ_START 128 #define PPI_VS_REQ_END 255 -static const u8 tpm_ppi_uuid[] = { - 0xA6, 0xFA, 0xDD, 0x3D, - 0x1B, 0x36, - 0xB4, 0x4E, - 0xA4, 0x24, - 0x8D, 0x10, 0x08, 0x9D, 0x16, 0x53 -}; +static const uuid_le tpm_ppi_uuid = + UUID_LE(0x3DDDFAA6, 0x361B, 0x4EB4, + 0xA4, 0x24, 0x8D, 0x10, 0x08, 0x9D, 0x16, 0x53); static inline union acpi_object * tpm_eval_dsm(acpi_handle ppi_handle, int func, acpi_object_type type, union acpi_object *argv4) { BUG_ON(!ppi_handle); - return acpi_evaluate_dsm_typed(ppi_handle, tpm_ppi_uuid, + return acpi_evaluate_dsm_typed(ppi_handle, &tpm_ppi_uuid, TPM_PPI_REVISION_ID, func, argv4, type); } @@ -107,7 +103,7 @@ static ssize_t tpm_store_ppi_request(struct device *dev, * is updated with function index from SUBREQ to SUBREQ2 since PPI * version 1.1 */ - if (acpi_check_dsm(chip->acpi_dev_handle, tpm_ppi_uuid, + if (acpi_check_dsm(chip->acpi_dev_handle, &tpm_ppi_uuid, TPM_PPI_REVISION_ID, 1 << TPM_PPI_FN_SUBREQ2)) func = TPM_PPI_FN_SUBREQ2; @@ -268,7 +264,7 @@ static ssize_t show_ppi_operations(acpi_handle dev_handle, char *buf, u32 start, "User not required", }; - if (!acpi_check_dsm(dev_handle, tpm_ppi_uuid, TPM_PPI_REVISION_ID, + if (!acpi_check_dsm(dev_handle, &tpm_ppi_uuid, TPM_PPI_REVISION_ID, 1 << TPM_PPI_FN_GETOPR)) return -EPERM; @@ -341,12 +337,12 @@ void tpm_add_ppi(struct tpm_chip *chip) if (!chip->acpi_dev_handle) return; - if (!acpi_check_dsm(chip->acpi_dev_handle, tpm_ppi_uuid, + if (!acpi_check_dsm(chip->acpi_dev_handle, &tpm_ppi_uuid, TPM_PPI_REVISION_ID, 1 << TPM_PPI_FN_VERSION)) return; /* Cache PPI version string. */ - obj = acpi_evaluate_dsm_typed(chip->acpi_dev_handle, tpm_ppi_uuid, + obj = acpi_evaluate_dsm_typed(chip->acpi_dev_handle, &tpm_ppi_uuid, TPM_PPI_REVISION_ID, TPM_PPI_FN_VERSION, NULL, ACPI_TYPE_STRING); if (obj) { diff --git a/drivers/gpu/drm/i915/intel_acpi.c b/drivers/gpu/drm/i915/intel_acpi.c index eb638a1..72bfe6c 100644 --- a/drivers/gpu/drm/i915/intel_acpi.c +++ b/drivers/gpu/drm/i915/intel_acpi.c @@ -15,13 +15,9 @@ static struct intel_dsm_priv { acpi_handle dhandle; } intel_dsm_priv; -static const u8 intel_dsm_guid[] = { - 0xd3, 0x73, 0xd8, 0x7e, - 0xd0, 0xc2, - 0x4f, 0x4e, - 0xa8, 0x54, - 0x0f, 0x13, 0x17, 0xb0, 0x1c, 0x2c -}; +static const uuid_le intel_dsm_guid = + UUID_LE(0x7ed873d3, 0xc2d0, 0x4e4f, + 0xa8, 0x54, 0x0f, 0x13, 0x17, 0xb0, 0x1c, 0x2c); static char *intel_dsm_port_name(u8 id) { @@ -80,7 +76,7 @@ static void intel_dsm_platform_mux_info(void) int i; union acpi_object *pkg, *connector_count; - pkg = acpi_evaluate_dsm_typed(intel_dsm_priv.dhandle, intel_dsm_guid, + pkg = acpi_evaluate_dsm_typed(intel_dsm_priv.dhandle, &intel_dsm_guid, INTEL_DSM_REVISION_ID, INTEL_DSM_FN_PLATFORM_MUX_INFO, NULL, ACPI_TYPE_PACKAGE); if (!pkg) { @@ -118,7 +114,7 @@ static bool intel_dsm_pci_probe(struct pci_dev *pdev) if (!dhandle) return false; - if (!acpi_check_dsm(dhandle, intel_dsm_guid, INTEL_DSM_REVISION_ID, + if (!acpi_check_dsm(dhandle, &intel_dsm_guid, INTEL_DSM_REVISION_ID, 1 << INTEL_DSM_FN_PLATFORM_MUX_INFO)) { DRM_DEBUG_KMS("no _DSM method for intel device\n"); return false; diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.c b/drivers/gpu/drm/nouveau/nouveau_acpi.c index cdf5227..52ee9a3 100644 --- a/drivers/gpu/drm/nouveau/nouveau_acpi.c +++ b/drivers/gpu/drm/nouveau/nouveau_acpi.c @@ -61,15 +61,13 @@ bool nouveau_is_v1_dsm(void) { #define NOUVEAU_DSM_HAS_OPT 0x2 #ifdef CONFIG_VGA_SWITCHEROO -static const char nouveau_dsm_muid[] = { - 0xA0, 0xA0, 0x95, 0x9D, 0x60, 0x00, 0x48, 0x4D, - 0xB3, 0x4D, 0x7E, 0x5F, 0xEA, 0x12, 0x9F, 0xD4, -}; +static const uuid_le nouveau_dsm_muid = + UUID_LE(0x9D95A0A0, 0x0060, 0x4D48, + 0xB3, 0x4D, 0x7E, 0x5F, 0xEA, 0x12, 0x9F, 0xD4); -static const char nouveau_op_dsm_muid[] = { - 0xF8, 0xD8, 0x86, 0xA4, 0xDA, 0x0B, 0x1B, 0x47, - 0xA7, 0x2B, 0x60, 0x42, 0xA6, 0xB5, 0xBE, 0xE0, -}; +static const uuid_le nouveau_op_dsm_muid = + UUID_LE(0xA486D8F8, 0x0BDA, 0x471B, + 0xA7, 0x2B, 0x60, 0x42, 0xA6, 0xB5, 0xBE, 0xE0); static int nouveau_optimus_dsm(acpi_handle handle, int func, int arg, uint32_t *result) { @@ -87,7 +85,7 @@ static int nouveau_optimus_dsm(acpi_handle handle, int func, int arg, uint32_t * args_buff[i] = (arg >> i * 8) & 0xFF; *result = 0; - obj = acpi_evaluate_dsm_typed(handle, nouveau_op_dsm_muid, 0x00000100, + obj = acpi_evaluate_dsm_typed(handle, &nouveau_op_dsm_muid, 0x00000100, func, &argv4, ACPI_TYPE_BUFFER); if (!obj) { acpi_handle_info(handle, "failed to evaluate _DSM\n"); @@ -137,7 +135,7 @@ static int nouveau_dsm(acpi_handle handle, int func, int arg) .integer.value = arg, }; - obj = acpi_evaluate_dsm_typed(handle, nouveau_dsm_muid, 0x00000102, + obj = acpi_evaluate_dsm_typed(handle, &nouveau_dsm_muid, 0x00000102, func, &argv4, ACPI_TYPE_INTEGER); if (!obj) { acpi_handle_info(handle, "failed to evaluate _DSM\n"); @@ -224,7 +222,7 @@ static int nouveau_dsm_pci_probe(struct pci_dev *pdev) if (!acpi_has_method(dhandle, "_DSM")) return false; - if (acpi_check_dsm(dhandle, nouveau_dsm_muid, 0x00000102, + if (acpi_check_dsm(dhandle, &nouveau_dsm_muid, 0x00000102, 1 << NOUVEAU_DSM_POWER)) retval |= NOUVEAU_DSM_HAS_MUX; diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mxm/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mxm/base.c index 9700a76..5fe45e9 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mxm/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mxm/base.c @@ -81,10 +81,9 @@ mxm_shadow_dsm(struct nvkm_mxm *mxm, u8 version) { struct nvkm_subdev *subdev = &mxm->subdev; struct nvkm_device *device = subdev->device; - static char muid[] = { - 0x00, 0xA4, 0x04, 0x40, 0x7D, 0x91, 0xF2, 0x4C, - 0xB8, 0x9C, 0x79, 0xB6, 0x2F, 0xD5, 0x56, 0x65 - }; + static uuid_le muid = + UUID_LE(0x4004A400, 0x917D, 0x4CF2, + 0xB8, 0x9C, 0x79, 0xB6, 0x2F, 0xD5, 0x56, 0x65); u32 mxms_args[] = { 0x00000000 }; union acpi_object argv4 = { .buffer.type = ACPI_TYPE_BUFFER, @@ -105,7 +104,7 @@ mxm_shadow_dsm(struct nvkm_mxm *mxm, u8 version) * unless you pass in exactly the version it supports.. */ rev = (version & 0xf0) << 4 | (version & 0x0f); - obj = acpi_evaluate_dsm(handle, muid, rev, 0x00000010, &argv4); + obj = acpi_evaluate_dsm(handle, &muid, rev, 0x00000010, &argv4); if (!obj) { nvkm_debug(subdev, "DSM MXMS failed\n"); return false; diff --git a/drivers/hid/i2c-hid/i2c-hid.c b/drivers/hid/i2c-hid/i2c-hid.c index b921693..291bacf 100644 --- a/drivers/hid/i2c-hid/i2c-hid.c +++ b/drivers/hid/i2c-hid/i2c-hid.c @@ -871,10 +871,9 @@ static const struct acpi_gpio_mapping i2c_hid_acpi_gpios[] = { static int i2c_hid_acpi_pdata(struct i2c_client *client, struct i2c_hid_platform_data *pdata) { - static u8 i2c_hid_guid[] = { - 0xF7, 0xF6, 0xDF, 0x3C, 0x67, 0x42, 0x55, 0x45, - 0xAD, 0x05, 0xB3, 0x0A, 0x3D, 0x89, 0x38, 0xDE, - }; + static uuid_le i2c_hid_guid = + UUID_LE(0x3CDFF6F7, 0x4267, 0x4555, + 0xAD, 0x05, 0xB3, 0x0A, 0x3D, 0x89, 0x38, 0xDE); union acpi_object *obj; struct acpi_device *adev; acpi_handle handle; @@ -884,7 +883,7 @@ static int i2c_hid_acpi_pdata(struct i2c_client *client, if (!handle || acpi_bus_get_device(handle, &adev)) return -ENODEV; - obj = acpi_evaluate_dsm_typed(handle, i2c_hid_guid, 1, 1, NULL, + obj = acpi_evaluate_dsm_typed(handle, &i2c_hid_guid, 1, 1, NULL, ACPI_TYPE_INTEGER); if (!obj) { dev_err(&client->dev, "device _DSM execution failed\n"); diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c index fb092f3..1b4509e 100644 --- a/drivers/iommu/dmar.c +++ b/drivers/iommu/dmar.c @@ -1783,10 +1783,9 @@ 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, @@ -1799,7 +1798,7 @@ 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, @@ -1818,7 +1817,7 @@ 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; diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c index 9a033e8..c129da3 100644 --- a/drivers/pci/pci-acpi.c +++ b/drivers/pci/pci-acpi.c @@ -24,10 +24,9 @@ * The UUID is defined in the PCI Firmware Specification available here: * https://www.pcisig.com/members/downloads/pcifw_r3_1_13Dec10.pdf */ -const u8 pci_acpi_dsm_uuid[] = { - 0xd0, 0x37, 0xc9, 0xe5, 0x53, 0x35, 0x7a, 0x4d, - 0x91, 0x17, 0xea, 0x4d, 0x19, 0xc3, 0x43, 0x4d -}; +const uuid_le pci_acpi_dsm_uuid = + UUID_LE(0xe5c937d0, 0x3553, 0x4d7a, + 0x91, 0x17, 0xea, 0x4d, 0x19, 0xc3, 0x43, 0x4d); phys_addr_t acpi_pci_root_get_mcfg_addr(acpi_handle handle) { @@ -558,7 +557,7 @@ void acpi_pci_add_bus(struct pci_bus *bus) if (!pci_is_root_bus(bus)) return; - obj = acpi_evaluate_dsm(ACPI_HANDLE(bus->bridge), pci_acpi_dsm_uuid, 3, + obj = acpi_evaluate_dsm(ACPI_HANDLE(bus->bridge), &pci_acpi_dsm_uuid, 3, RESET_DELAY_DSM, NULL); if (!obj) return; @@ -623,7 +622,7 @@ static void pci_acpi_optimize_delay(struct pci_dev *pdev, if (bridge->ignore_reset_delay) pdev->d3cold_delay = 0; - obj = acpi_evaluate_dsm(handle, pci_acpi_dsm_uuid, 3, + obj = acpi_evaluate_dsm(handle, &pci_acpi_dsm_uuid, 3, FUNCTION_DELAY_DSM, NULL); if (!obj) return; diff --git a/drivers/pci/pci-label.c b/drivers/pci/pci-label.c index 0ae74d9..05d94d7 100644 --- a/drivers/pci/pci-label.c +++ b/drivers/pci/pci-label.c @@ -172,7 +172,7 @@ static int dsm_get_label(struct device *dev, char *buf, if (!handle) return -1; - obj = acpi_evaluate_dsm(handle, pci_acpi_dsm_uuid, 0x2, + obj = acpi_evaluate_dsm(handle, &pci_acpi_dsm_uuid, 0x2, DEVICE_LABEL_DSM, NULL); if (!obj) return -1; @@ -212,7 +212,7 @@ static bool device_has_dsm(struct device *dev) if (!handle) return false; - return !!acpi_check_dsm(handle, pci_acpi_dsm_uuid, 0x2, + return !!acpi_check_dsm(handle, &pci_acpi_dsm_uuid, 0x2, 1 << DEVICE_LABEL_DSM); } diff --git a/drivers/thermal/int340x_thermal/int3400_thermal.c b/drivers/thermal/int340x_thermal/int3400_thermal.c index 5836e55..47f54bc 100644 --- a/drivers/thermal/int340x_thermal/int3400_thermal.c +++ b/drivers/thermal/int340x_thermal/int3400_thermal.c @@ -141,10 +141,10 @@ static int int3400_thermal_get_uuids(struct int3400_thermal_priv *priv) } for (j = 0; j < INT3400_THERMAL_MAXIMUM_UUID; j++) { - u8 uuid[16]; + uuid_le u; - acpi_str_to_uuid(int3400_thermal_uuids[j], uuid); - if (!strncmp(uuid, objb->buffer.pointer, 16)) { + uuid_le_to_bin(int3400_thermal_uuids[j], &u); + if (!uuid_le_cmp(u, *(uuid_le *)objb->buffer.pointer)) { priv->uuid_bitmap |= (1 << j); break; } diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index f0640b7..4290e94 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -191,13 +191,12 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) #ifdef CONFIG_ACPI static void xhci_pme_acpi_rtd3_enable(struct pci_dev *dev) { - static const u8 intel_dsm_uuid[] = { - 0xb7, 0x0c, 0x34, 0xac, 0x01, 0xe9, 0xbf, 0x45, - 0xb7, 0xe6, 0x2b, 0x34, 0xec, 0x93, 0x1e, 0x23, - }; + static const uuid_le intel_dsm_uuid = + UUID_LE(0xac340cb7, 0xe901, 0x45bf, + 0xb7, 0xe6, 0x2b, 0x34, 0xec, 0x93, 0x1e, 0x23); union acpi_object *obj; - obj = acpi_evaluate_dsm(ACPI_HANDLE(&dev->dev), intel_dsm_uuid, 3, 1, + obj = acpi_evaluate_dsm(ACPI_HANDLE(&dev->dev), &intel_dsm_uuid, 3, 1, NULL); ACPI_FREE(obj); } diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index 14362a8..b4b6fa2 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -61,13 +61,15 @@ bool acpi_ata_match(acpi_handle handle); bool acpi_bay_match(acpi_handle handle); bool acpi_dock_match(acpi_handle handle); -bool acpi_check_dsm(acpi_handle handle, const u8 *uuid, int rev, u64 funcs); -union acpi_object *acpi_evaluate_dsm(acpi_handle handle, const u8 *uuid, +bool acpi_check_dsm(acpi_handle handle, const uuid_le *uuid, int rev, + u64 funcs); +union acpi_object *acpi_evaluate_dsm(acpi_handle handle, const uuid_le *uuid, int rev, int func, union acpi_object *argv4); static inline union acpi_object * -acpi_evaluate_dsm_typed(acpi_handle handle, const u8 *uuid, int rev, int func, - union acpi_object *argv4, acpi_object_type type) +acpi_evaluate_dsm_typed(acpi_handle handle, const uuid_le *uuid, int rev, + int func, union acpi_object *argv4, + acpi_object_type type) { union acpi_object *obj; diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 06ed7e5..7d1939d 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -39,6 +39,7 @@ #include #include #include +#include #include #include @@ -430,7 +431,6 @@ struct acpi_osc_context { struct acpi_buffer ret; /* free by caller if success */ }; -acpi_status acpi_str_to_uuid(char *str, u8 *uuid); acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); /* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */ diff --git a/include/linux/pci-acpi.h b/include/linux/pci-acpi.h index 89ab057..861a779 100644 --- a/include/linux/pci-acpi.h +++ b/include/linux/pci-acpi.h @@ -101,7 +101,7 @@ static inline void acpiphp_remove_slots(struct pci_bus *bus) { } static inline void acpiphp_check_host_bridge(struct acpi_device *adev) { } #endif -extern const u8 pci_acpi_dsm_uuid[]; +extern const uuid_le pci_acpi_dsm_uuid; #define DEVICE_LABEL_DSM 0x07 #define RESET_DELAY_DSM 0x08 #define FUNCTION_DELAY_DSM 0x09 diff --git a/sound/soc/intel/skylake/skl-nhlt.c b/sound/soc/intel/skylake/skl-nhlt.c index 6e4b21c..ac1b641 100644 --- a/sound/soc/intel/skylake/skl-nhlt.c +++ b/sound/soc/intel/skylake/skl-nhlt.c @@ -20,8 +20,9 @@ #include "skl.h" /* Unique identification for getting NHLT blobs */ -static u8 OSC_UUID[16] = {0x6E, 0x88, 0x9F, 0xA6, 0xEB, 0x6C, 0x94, 0x45, - 0xA4, 0x1F, 0x7B, 0x5D, 0xCE, 0x24, 0xC5, 0x53}; +static uuid_le osc_uuid = + UUID_LE(0xA69F886E, 0x6CEB, 0x4594, + 0xA4, 0x1F, 0x7B, 0x5D, 0xCE, 0x24, 0xC5, 0x53); #define DSDT_NHLT_PATH "\\_SB.PCI0.HDAS" @@ -36,7 +37,7 @@ void *skl_nhlt_init(struct device *dev) return NULL; } - obj = acpi_evaluate_dsm(handle, OSC_UUID, 1, 1, NULL); + obj = acpi_evaluate_dsm(handle, &osc_uuid, 1, 1, NULL); if (obj && obj->type == ACPI_TYPE_BUFFER) { nhlt_ptr = (struct nhlt_resource_desc *)obj->buffer.pointer;