diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
index 07789f0b59bcdad5f478f12febe515ac318ef122..b7277249465567ba644524341633ffd795af8171 100644
--- a/drivers/acpi/apei/ghes.c
+++ b/drivers/acpi/apei/ghes.c
@@ -173,8 +173,6 @@ static struct gen_pool *ghes_estatus_pool;
static struct ghes_estatus_cache __rcu *ghes_estatus_caches[GHES_ESTATUS_CACHES_SIZE];
static atomic_t ghes_estatus_cache_alloced;
-static int ghes_panic_timeout __read_mostly = 30;
-
static void __iomem *ghes_map(u64 pfn, enum fixed_addresses fixmap_idx)
{
phys_addr_t paddr;
@@ -983,14 +981,16 @@ static void __ghes_panic(struct ghes *ghes,
struct acpi_hest_generic_status *estatus,
u64 buf_paddr, enum fixed_addresses fixmap_idx)
{
+ const char *msg = GHES_PFX "Fatal hardware error";
+
__ghes_print_estatus(KERN_EMERG, ghes->generic, estatus);
ghes_clear_estatus(ghes, estatus, buf_paddr, fixmap_idx);
- /* reboot to log the error! */
if (!panic_timeout)
- panic_timeout = ghes_panic_timeout;
- panic("Fatal hardware error!");
+ pr_emerg("%s but panic disabled\n", msg);
+
+ panic(msg);
}
static int ghes_proc(struct ghes *ghes)
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 3d5342f8d7b3ae4e259131f9c7b7144a6206cfdb..6760330a8af55d51c82a0447623c2040ffdaab10 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -717,7 +717,7 @@ static void battery_hook_unregister_unlocked(struct acpi_battery_hook *hook)
}
list_del_init(&hook->list);
- pr_info("extension unregistered: %s\n", hook->name);
+ pr_info("hook unregistered: %s\n", hook->name);
}
void battery_hook_unregister(struct acpi_battery_hook *hook)
@@ -751,18 +751,18 @@ void battery_hook_register(struct acpi_battery_hook *hook)
if (hook->add_battery(battery->bat, hook)) {
/*
* If a add-battery returns non-zero,
- * the registration of the extension has failed,
+ * the registration of the hook has failed,
* and we will not add it to the list of loaded
* hooks.
*/
- pr_err("extension failed to load: %s", hook->name);
+ pr_err("hook failed to load: %s", hook->name);
battery_hook_unregister_unlocked(hook);
goto end;
}
power_supply_changed(battery->bat);
}
- pr_info("new extension: %s\n", hook->name);
+ pr_info("new hook: %s\n", hook->name);
end:
mutex_unlock(&hook_mutex);
}
@@ -805,10 +805,10 @@ static void battery_hook_add_battery(struct acpi_battery *battery)
list_for_each_entry_safe(hook_node, tmp, &battery_hook_list, list) {
if (hook_node->add_battery(battery->bat, hook_node)) {
/*
- * The notification of the extensions has failed, to
- * prevent further errors we will unload the extension.
+ * The notification of the hook has failed, to
+ * prevent further errors we will unload the hook.
*/
- pr_err("error in extension, unloading: %s",
+ pr_err("error in hook, unloading: %s",
hook_node->name);
battery_hook_unregister_unlocked(hook_node);
}
diff --git a/drivers/acpi/bgrt.c b/drivers/acpi/bgrt.c
index d1d9c9289087a1ca6b36e8497cb104bad3282737..35ece8e9f15d1d15c224fb6879d48730898fa3df 100644
--- a/drivers/acpi/bgrt.c
+++ b/drivers/acpi/bgrt.c
@@ -29,7 +29,7 @@ BGRT_SHOW(type, image_type);
BGRT_SHOW(xoffset, image_offset_x);
BGRT_SHOW(yoffset, image_offset_y);
-static BIN_ATTR_SIMPLE_RO(image);
+static __ro_after_init BIN_ATTR_SIMPLE_RO(image);
static struct attribute *bgrt_attributes[] = {
&bgrt_attr_version.attr,
@@ -40,14 +40,14 @@ static struct attribute *bgrt_attributes[] = {
NULL,
};
-static struct bin_attribute *bgrt_bin_attributes[] = {
+static const struct bin_attribute *const bgrt_bin_attributes[] = {
&bin_attr_image,
NULL,
};
static const struct attribute_group bgrt_attribute_group = {
.attrs = bgrt_attributes,
- .bin_attrs = bgrt_bin_attributes,
+ .bin_attrs_new = bgrt_bin_attributes,
};
int __init acpi_parse_bgrt(struct acpi_table_header *table)
diff --git a/drivers/acpi/fan_core.c b/drivers/acpi/fan_core.c
index 3ea9cfcff46e798996c0223daa0b2f97ec8f1a00..10016f52f4f40eb2153a06bafe663bfdb89422a0 100644
--- a/drivers/acpi/fan_core.c
+++ b/drivers/acpi/fan_core.c
@@ -371,19 +371,25 @@ static int acpi_fan_probe(struct platform_device *pdev)
result = sysfs_create_link(&pdev->dev.kobj,
&cdev->device.kobj,
"thermal_cooling");
- if (result)
+ if (result) {
dev_err(&pdev->dev, "Failed to create sysfs link 'thermal_cooling'\n");
+ goto err_unregister;
+ }
result = sysfs_create_link(&cdev->device.kobj,
&pdev->dev.kobj,
"device");
if (result) {
dev_err(&pdev->dev, "Failed to create sysfs link 'device'\n");
- goto err_end;
+ goto err_remove_link;
}
return 0;
+err_remove_link:
+ sysfs_remove_link(&pdev->dev.kobj, "thermal_cooling");
+err_unregister:
+ thermal_cooling_device_unregister(cdev);
err_end:
if (fan->acpi4)
acpi_fan_delete_attributes(device);
diff --git a/drivers/acpi/mipi-disco-img.c b/drivers/acpi/mipi-disco-img.c
index 92b658f92dc0f1d9123cdcb1d49a130a41f600be..5b85989f96beeb726f59ac9e12e965a215fb38f6 100644
--- a/drivers/acpi/mipi-disco-img.c
+++ b/drivers/acpi/mipi-disco-img.c
@@ -624,8 +624,7 @@ static void init_crs_csi2_swnodes(struct crs_csi2 *csi2)
if (!fwnode_property_present(adev_fwnode, "rotation")) {
struct acpi_pld_info *pld;
- status = acpi_get_physical_device_location(handle, &pld);
- if (ACPI_SUCCESS(status)) {
+ if (acpi_get_physical_device_location(handle, &pld)) {
swnodes->dev_props[NEXT_PROPERTY(prop_index, DEV_ROTATION)] =
PROPERTY_ENTRY_U32("rotation",
pld->rotation * 45U);
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index fed446aace4259446ebd83297b0fefa9cf4e1cd6..5ff343096ece0ef799326ef5c0cdd10e93c79869 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -607,7 +607,27 @@ acpi_status acpi_os_remove_interrupt_handler(u32 gsi, acpi_osd_handler handler)
void acpi_os_sleep(u64 ms)
{
- msleep(ms);
+ u64 usec = ms * USEC_PER_MSEC, delta_us = 50;
+
+ /*
+ * Use a hrtimer because the timer wheel timers are optimized for
+ * cancelation before they expire and this timer is not going to be
+ * canceled.
+ *
+ * Set the delta between the requested sleep time and the effective
+ * deadline to at least 50 us in case there is an opportunity for timer
+ * coalescing.
+ *
+ * Moreover, longer sleeps can be assumed to need somewhat less timer
+ * precision, so sacrifice some of it for making the timer a more likely
+ * candidate for coalescing by setting the delta to 1% of the sleep time
+ * if it is above 5 ms (this value is chosen so that the delta is a
+ * continuous function of the sleep time).
+ */
+ if (ms > 5)
+ delta_us = (USEC_PER_MSEC / 100) * ms;
+
+ usleep_range(usec, usec + delta_us);
}
void acpi_os_stall(u32 us)
diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c
index 80a52a4e66dd167e70c80a164a89beb8c834ae13..1ee81e771ae63a16822c0b0ca6a5049cef557e06 100644
--- a/drivers/acpi/property.c
+++ b/drivers/acpi/property.c
@@ -1492,7 +1492,7 @@ acpi_graph_get_remote_endpoint(const struct fwnode_handle *__fwnode)
static bool acpi_fwnode_device_is_available(const struct fwnode_handle *fwnode)
{
if (!is_acpi_device_node(fwnode))
- return false;
+ return true;
return acpi_device_is_present(to_acpi_device_node(fwnode));
}
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 74dcccdc6482b88bcfd0b8f98d6ff0162f756847..93d340027b7f92dad7bfbe226229340c05a50485 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -723,10 +723,8 @@ int acpi_tie_acpi_dev(struct acpi_device *adev)
static void acpi_store_pld_crc(struct acpi_device *adev)
{
struct acpi_pld_info *pld;
- acpi_status status;
- status = acpi_get_physical_device_location(adev->handle, &pld);
- if (ACPI_FAILURE(status))
+ if (!acpi_get_physical_device_location(adev->handle, &pld))
return;
adev->pld_crc = crc32(~0, pld, sizeof(*pld));
diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c
index 687524b5008592c58c021f9c7981b76eaa58038f..a48ebbf768f91ab354cd276f1b4dda2c063ef9b5 100644
--- a/drivers/acpi/sysfs.c
+++ b/drivers/acpi/sysfs.c
@@ -319,7 +319,7 @@ struct acpi_data_attr {
};
static ssize_t acpi_table_show(struct file *filp, struct kobject *kobj,
- struct bin_attribute *bin_attr, char *buf,
+ const struct bin_attribute *bin_attr, char *buf,
loff_t offset, size_t count)
{
struct acpi_table_attr *table_attr =
@@ -372,7 +372,7 @@ static int acpi_table_attr_init(struct kobject *tables_obj,
}
table_attr->attr.size = table_header->length;
- table_attr->attr.read = acpi_table_show;
+ table_attr->attr.read_new = acpi_table_show;
table_attr->attr.attr.name = table_attr->filename;
table_attr->attr.attr.mode = 0400;
@@ -412,7 +412,7 @@ acpi_status acpi_sysfs_table_handler(u32 event, void *table, void *context)
}
static ssize_t acpi_data_show(struct file *filp, struct kobject *kobj,
- struct bin_attribute *bin_attr, char *buf,
+ const struct bin_attribute *bin_attr, char *buf,
loff_t offset, size_t count)
{
struct acpi_data_attr *data_attr;
@@ -495,7 +495,7 @@ static int acpi_table_data_init(struct acpi_table_header *th)
if (!data_attr)
return -ENOMEM;
sysfs_attr_init(&data_attr->attr.attr);
- data_attr->attr.read = acpi_data_show;
+ data_attr->attr.read_new = acpi_data_show;
data_attr->attr.attr.mode = 0400;
return acpi_data_objs[i].fn(th, data_attr);
}
diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c
index 9e1b01c3507022117b848406d2ee2dfc1cb2e0d3..2295abbecd14f5e9b5a6c948b6590df0de241305 100644
--- a/drivers/acpi/tables.c
+++ b/drivers/acpi/tables.c
@@ -56,7 +56,7 @@ void acpi_table_print_madt_entry(struct acpi_subtable_header *header)
(struct acpi_madt_local_apic *)header;
pr_debug("LAPIC (acpi_id[0x%02x] lapic_id[0x%02x] %s)\n",
p->processor_id, p->id,
- (p->lapic_flags & ACPI_MADT_ENABLED) ? "enabled" : "disabled");
+ str_enabled_disabled(p->lapic_flags & ACPI_MADT_ENABLED));
}
break;
@@ -66,7 +66,7 @@ void acpi_table_print_madt_entry(struct acpi_subtable_header *header)
(struct acpi_madt_local_x2apic *)header;
pr_debug("X2APIC (apic_id[0x%02x] uid[0x%02x] %s)\n",
p->local_apic_id, p->uid,
- (p->lapic_flags & ACPI_MADT_ENABLED) ? "enabled" : "disabled");
+ str_enabled_disabled(p->lapic_flags & ACPI_MADT_ENABLED));
}
break;
@@ -160,7 +160,7 @@ void acpi_table_print_madt_entry(struct acpi_subtable_header *header)
(struct acpi_madt_local_sapic *)header;
pr_debug("LSAPIC (acpi_id[0x%02x] lsapic_id[0x%02x] lsapic_eid[0x%02x] %s)\n",
p->processor_id, p->id, p->eid,
- (p->lapic_flags & ACPI_MADT_ENABLED) ? "enabled" : "disabled");
+ str_enabled_disabled(p->lapic_flags & ACPI_MADT_ENABLED));
}
break;
@@ -183,7 +183,7 @@ void acpi_table_print_madt_entry(struct acpi_subtable_header *header)
pr_debug("GICC (acpi_id[0x%04x] address[%llx] MPIDR[0x%llx] %s)\n",
p->uid, p->base_address,
p->arm_mpidr,
- (p->flags & ACPI_MADT_ENABLED) ? "enabled" : "disabled");
+ str_enabled_disabled(p->flags & ACPI_MADT_ENABLED));
}
break;
@@ -218,7 +218,7 @@ void acpi_table_print_madt_entry(struct acpi_subtable_header *header)
pr_debug("CORE PIC (processor_id[0x%02x] core_id[0x%02x] %s)\n",
p->processor_id, p->core_id,
- (p->flags & ACPI_MADT_ENABLED) ? "enabled" : "disabled");
+ str_enabled_disabled(p->flags & ACPI_MADT_ENABLED));
}
break;
@@ -228,7 +228,7 @@ void acpi_table_print_madt_entry(struct acpi_subtable_header *header)
pr_debug("RISC-V INTC (acpi_uid[0x%04x] hart_id[0x%llx] %s)\n",
p->uid, p->hart_id,
- (p->flags & ACPI_MADT_ENABLED) ? "enabled" : "disabled");
+ str_enabled_disabled(p->flags & ACPI_MADT_ENABLED));
}
break;
diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c
index 6de542d995189a16ca88bb935f53a7584573195b..526563a0d1886be835a096cdcb4371c9ec48a63a 100644
--- a/drivers/acpi/utils.c
+++ b/drivers/acpi/utils.c
@@ -494,7 +494,7 @@ bool acpi_device_dep(acpi_handle target, acpi_handle match)
}
EXPORT_SYMBOL_GPL(acpi_device_dep);
-acpi_status
+bool
acpi_get_physical_device_location(acpi_handle handle, struct acpi_pld_info **pld)
{
acpi_status status;
@@ -502,9 +502,8 @@ acpi_get_physical_device_location(acpi_handle handle, struct acpi_pld_info **pld
union acpi_object *output;
status = acpi_evaluate_object(handle, "_PLD", NULL, &buffer);
-
if (ACPI_FAILURE(status))
- return status;
+ return false;
output = buffer.pointer;
@@ -523,7 +522,7 @@ acpi_get_physical_device_location(acpi_handle handle, struct acpi_pld_info **pld
out:
kfree(buffer.pointer);
- return status;
+ return ACPI_SUCCESS(status);
}
EXPORT_SYMBOL(acpi_get_physical_device_location);
diff --git a/drivers/base/physical_location.c b/drivers/base/physical_location.c
index 951819e71b4ad43cffd24fb48caeb4d066d651aa..5db06e825c94f2449664aba800e77317689a9d29 100644
--- a/drivers/base/physical_location.c
+++ b/drivers/base/physical_location.c
@@ -13,13 +13,11 @@
bool dev_add_physical_location(struct device *dev)
{
struct acpi_pld_info *pld;
- acpi_status status;
if (!has_acpi_companion(dev))
return false;
- status = acpi_get_physical_device_location(ACPI_HANDLE(dev), &pld);
- if (ACPI_FAILURE(status))
+ if (!acpi_get_physical_device_location(ACPI_HANDLE(dev), &pld))
return false;
dev->physical_location =
diff --git a/drivers/media/pci/intel/ipu-bridge.c b/drivers/media/pci/intel/ipu-bridge.c
index 1bf249f446a988769e7976ccdb0e179beadac30a..1cb7458556004d2073688bb0d11defd01f2f61b7 100644
--- a/drivers/media/pci/intel/ipu-bridge.c
+++ b/drivers/media/pci/intel/ipu-bridge.c
@@ -2,6 +2,7 @@
/* Author: Dan Scally <djrscally@gmail.com> */
#include <linux/acpi.h>
+#include <acpi/acpi_bus.h>
#include <linux/cleanup.h>
#include <linux/device.h>
#include <linux/i2c.h>
@@ -107,7 +108,6 @@ static const char * const ipu_vcm_types[] = {
"lc898212axb",
};
-#if IS_ENABLED(CONFIG_ACPI)
/*
* Used to figure out IVSC acpi device by ipu_bridge_get_ivsc_acpi_dev()
* instead of device and driver match to probe IVSC device.
@@ -127,11 +127,11 @@ static struct acpi_device *ipu_bridge_get_ivsc_acpi_dev(struct acpi_device *adev
const struct acpi_device_id *acpi_id = &ivsc_acpi_ids[i];
struct acpi_device *consumer, *ivsc_adev;
- acpi_handle handle = acpi_device_handle(adev);
+ acpi_handle handle = acpi_device_handle(ACPI_PTR(adev));
for_each_acpi_dev_match(ivsc_adev, acpi_id->id, NULL, -1)
/* camera sensor depends on IVSC in DSDT if exist */
for_each_acpi_consumer_dev(ivsc_adev, consumer)
- if (consumer->handle == handle) {
+ if (ACPI_PTR(consumer->handle) == handle) {
acpi_dev_put(consumer);
return ivsc_adev;
}
@@ -139,12 +139,6 @@ static struct acpi_device *ipu_bridge_get_ivsc_acpi_dev(struct acpi_device *adev
return NULL;
}
-#else
-static struct acpi_device *ipu_bridge_get_ivsc_acpi_dev(struct acpi_device *adev)
-{
- return NULL;
-}
-#endif
static int ipu_bridge_match_ivsc_dev(struct device *dev, const void *adev)
{
@@ -259,12 +253,8 @@ static enum v4l2_fwnode_orientation ipu_bridge_parse_orientation(struct acpi_dev
{
enum v4l2_fwnode_orientation orientation;
struct acpi_pld_info *pld = NULL;
- acpi_status status = AE_ERROR;
-#if IS_ENABLED(CONFIG_ACPI)
- status = acpi_get_physical_device_location(adev->handle, &pld);
-#endif
- if (ACPI_FAILURE(status)) {
+ if (!acpi_get_physical_device_location(ACPI_PTR(adev->handle), &pld)) {
dev_warn(ADEV_DEV(adev), "_PLD call failed, using default orientation\n");
return V4L2_FWNODE_ORIENTATION_EXTERNAL;
}
@@ -498,9 +488,7 @@ static void ipu_bridge_create_connection_swnodes(struct ipu_bridge *bridge,
if (sensor->csi_dev) {
const char *device_hid = "";
-#if IS_ENABLED(CONFIG_ACPI)
device_hid = acpi_device_hid(sensor->ivsc_adev);
-#endif
snprintf(sensor->ivsc_name, sizeof(sensor->ivsc_name), "%s-%u",
device_hid, sensor->link);
@@ -671,11 +659,7 @@ static int ipu_bridge_connect_sensor(const struct ipu_sensor_config *cfg,
struct acpi_device *adev = NULL;
int ret;
-#if IS_ENABLED(CONFIG_ACPI)
for_each_acpi_dev_match(adev, cfg->hid, NULL, -1) {
-#else
- while (true) {
-#endif
if (!ACPI_PTR(adev->status.enabled))
continue;
@@ -768,15 +752,10 @@ static int ipu_bridge_ivsc_is_ready(void)
unsigned int i;
for (i = 0; i < ARRAY_SIZE(ipu_supported_sensors); i++) {
-#if IS_ENABLED(CONFIG_ACPI)
const struct ipu_sensor_config *cfg =
&ipu_supported_sensors[i];
for_each_acpi_dev_match(sensor_adev, cfg->hid, NULL, -1) {
-#else
- while (true) {
- sensor_adev = NULL;
-#endif
if (!ACPI_PTR(sensor_adev->status.enabled))
continue;
diff --git a/drivers/usb/core/usb-acpi.c b/drivers/usb/core/usb-acpi.c
index 03c22114214b5ac0aa70df83f350238c6dc6e0a5..935c0efea0b640b448a5161b3d0555cf38530eed 100644
--- a/drivers/usb/core/usb-acpi.c
+++ b/drivers/usb/core/usb-acpi.c
@@ -213,8 +213,7 @@ usb_acpi_get_connect_type(struct usb_port *port_dev, acpi_handle *handle)
* no connectable, the port would be not used.
*/
- status = acpi_get_physical_device_location(handle, &pld);
- if (ACPI_SUCCESS(status) && pld)
+ if (acpi_get_physical_device_location(handle, &pld) && pld)
port_dev->location = USB_ACPI_LOCATION_VALID |
pld->group_token << 8 | pld->group_position;
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index b2e377b7f3373d09071e83262d634d5ee28c3b0c..aad1a95e6863d443a45985ba7ec7be4acf8664fe 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -43,9 +43,6 @@ acpi_status
acpi_evaluate_ost(acpi_handle handle, u32 source_event, u32 status_code,
struct acpi_buffer *status_buf);
-acpi_status
-acpi_get_physical_device_location(acpi_handle handle, struct acpi_pld_info **pld);
-
bool acpi_has_method(acpi_handle handle, char *name);
acpi_status acpi_execute_simple_method(acpi_handle handle, char *method,
u64 arg);
@@ -60,6 +57,9 @@ bool acpi_check_dsm(acpi_handle handle, const guid_t *guid, u64 rev, u64 funcs);
union acpi_object *acpi_evaluate_dsm(acpi_handle handle, const guid_t *guid,
u64 rev, u64 func, union acpi_object *argv4);
#ifdef CONFIG_ACPI
+bool
+acpi_get_physical_device_location(acpi_handle handle, struct acpi_pld_info **pld);
+
static inline union acpi_object *
acpi_evaluate_dsm_typed(acpi_handle handle, const guid_t *guid, u64 rev,
u64 func, union acpi_object *argv4,
@@ -1003,6 +1003,23 @@ static inline int unregister_acpi_bus_type(void *bus) { return 0; }
static inline int acpi_wait_for_acpi_ipmi(void) { return 0; }
+static inline const char *acpi_device_hid(struct acpi_device *device)
+{
+ return "";
+}
+
+static inline bool
+acpi_get_physical_device_location(acpi_handle handle, struct acpi_pld_info **pld)
+{
+ return false;
+}
+
+#define for_each_acpi_consumer_dev(supplier, consumer) \
+ for (consumer = NULL; false && (supplier);)
+
+#define for_each_acpi_dev_match(adev, hid, uid, hrv) \
+ for (adev = NULL; false && (hid) && (uid) && (hrv); )
+
#endif /* CONFIG_ACPI */
#endif /*__ACPI_BUS_H__*/
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 6adcd1b92b20681fdd93952dc45a51fe336711e7..4e495b29c640f05eecba77942ad1dc53f1b87c4b 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -854,6 +854,11 @@ static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
return NULL;
}
+static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
+{
+ return NULL;
+}
+
static inline bool has_acpi_companion(struct device *dev)
{
return false;
diff --git a/include/linux/prmt.h b/include/linux/prmt.h
index 9c094294403ff488a03f50d90bab3ddc8254575f..c53ab287e932008c698b9b800166bc66189aabcd 100644
--- a/include/linux/prmt.h
+++ b/include/linux/prmt.h
@@ -1,5 +1,7 @@
/* SPDX-License-Identifier: GPL-2.0-only */
+#include <linux/uuid.h>
+
#ifdef CONFIG_ACPI_PRMT
void init_prmt(void);
int acpi_call_prm_handler(guid_t handler_guid, void *param_buffer);