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-rw-r--r--drivers/acpi/acpi_processor.c3
-rw-r--r--drivers/acpi/bus.c2
-rw-r--r--drivers/acpi/internal.h1
-rw-r--r--drivers/acpi/resource.c42
-rw-r--r--drivers/acpi/scan.c172
-rw-r--r--drivers/acpi/x86/s2idle.c37
6 files changed, 167 insertions, 90 deletions
diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c
index 4fe2ef54088c..99c28b7307c3 100644
--- a/drivers/acpi/acpi_processor.c
+++ b/drivers/acpi/acpi_processor.c
@@ -381,6 +381,9 @@ static int acpi_processor_add(struct acpi_device *device,
struct device *dev;
int result = 0;
+ if (!acpi_device_is_enabled(device))
+ return -ENODEV;
+
pr = kzalloc(sizeof(struct acpi_processor), GFP_KERNEL);
if (!pr)
return -ENOMEM;
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 569bd15f211b..d9fa730416f1 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -1097,7 +1097,7 @@ static void acpi_device_remove(struct device *dev)
put_device(dev);
}
-struct bus_type acpi_bus_type = {
+const struct bus_type acpi_bus_type = {
.name = "acpi",
.match = acpi_bus_match,
.probe = acpi_device_probe,
diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h
index 6588525c45ef..895aa2c0ad58 100644
--- a/drivers/acpi/internal.h
+++ b/drivers/acpi/internal.h
@@ -121,6 +121,7 @@ int acpi_device_setup_files(struct acpi_device *dev);
void acpi_device_remove_files(struct acpi_device *dev);
void acpi_device_add_finalize(struct acpi_device *device);
void acpi_free_pnp_ids(struct acpi_device_pnp *pnp);
+bool acpi_device_is_enabled(const struct acpi_device *adev);
bool acpi_device_is_present(const struct acpi_device *adev);
bool acpi_device_is_battery(struct acpi_device *adev);
bool acpi_device_is_first_physical_node(struct acpi_device *adev,
diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
index dacad1d846c0..59423fe9d0f2 100644
--- a/drivers/acpi/resource.c
+++ b/drivers/acpi/resource.c
@@ -468,6 +468,13 @@ static const struct dmi_system_id irq1_level_low_skip_override[] = {
DMI_MATCH(DMI_BOARD_NAME, "B1502CGA"),
},
},
+ {
+ /* Asus ExpertBook B1502CVA */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+ DMI_MATCH(DMI_BOARD_NAME, "B1502CVA"),
+ },
+ },
{
/* Asus ExpertBook B2402CBA */
.matches = {
@@ -490,6 +497,13 @@ static const struct dmi_system_id irq1_level_low_skip_override[] = {
},
},
{
+ /* Asus ExpertBook B2502FBA */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+ DMI_MATCH(DMI_BOARD_NAME, "B2502FBA"),
+ },
+ },
+ {
/* Asus Vivobook E1504GA */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
@@ -588,6 +602,34 @@ static const struct dmi_system_id irq1_edge_low_force_override[] = {
DMI_MATCH(DMI_BOARD_NAME, "GM5RGEE0016COM"),
},
},
+ {
+ /* Lunnen Ground 15 / AMD Ryzen 5 5500U */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Lunnen"),
+ DMI_MATCH(DMI_BOARD_NAME, "LLL5DAW"),
+ },
+ },
+ {
+ /* Lunnen Ground 16 / AMD Ryzen 7 5800U */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Lunnen"),
+ DMI_MATCH(DMI_BOARD_NAME, "LL6FA"),
+ },
+ },
+ {
+ /* MAIBENBEN X577 */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "MAIBENBEN"),
+ DMI_MATCH(DMI_BOARD_NAME, "X577"),
+ },
+ },
+ {
+ /* Maibenben X565 */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "MAIBENBEN"),
+ DMI_MATCH(DMI_BOARD_NAME, "X565"),
+ },
+ },
{ }
};
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index e6ed1ba91e5c..3b722e4c0f06 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -244,6 +244,53 @@ static int acpi_scan_try_to_offline(struct acpi_device *device)
return 0;
}
+static int acpi_scan_check_and_detach(struct acpi_device *adev, void *check)
+{
+ struct acpi_scan_handler *handler = adev->handler;
+
+ acpi_dev_for_each_child_reverse(adev, acpi_scan_check_and_detach, check);
+
+ if (check) {
+ acpi_bus_get_status(adev);
+ /*
+ * Skip devices that are still there and take the enabled
+ * flag into account.
+ */
+ if (acpi_device_is_enabled(adev))
+ return 0;
+
+ /* Skip device that have not been enumerated. */
+ if (!acpi_device_enumerated(adev)) {
+ dev_dbg(&adev->dev, "Still not enumerated\n");
+ return 0;
+ }
+ }
+
+ adev->flags.match_driver = false;
+ if (handler) {
+ if (handler->detach)
+ handler->detach(adev);
+
+ adev->handler = NULL;
+ } else {
+ device_release_driver(&adev->dev);
+ }
+ /*
+ * Most likely, the device is going away, so put it into D3cold before
+ * that.
+ */
+ acpi_device_set_power(adev, ACPI_STATE_D3_COLD);
+ adev->flags.initialized = false;
+ acpi_device_clear_enumerated(adev);
+
+ return 0;
+}
+
+static void acpi_scan_check_subtree(struct acpi_device *adev)
+{
+ acpi_scan_check_and_detach(adev, (void *)true);
+}
+
static int acpi_scan_hot_remove(struct acpi_device *device)
{
acpi_handle handle = device->handle;
@@ -289,75 +336,62 @@ static int acpi_scan_hot_remove(struct acpi_device *device)
return 0;
}
-static int acpi_scan_device_not_enumerated(struct acpi_device *adev)
+static int acpi_scan_rescan_bus(struct acpi_device *adev)
{
- if (!acpi_device_enumerated(adev)) {
- dev_warn(&adev->dev, "Still not enumerated\n");
- return -EALREADY;
- }
- acpi_bus_trim(adev);
- return 0;
+ struct acpi_scan_handler *handler = adev->handler;
+ int ret;
+
+ if (handler && handler->hotplug.scan_dependent)
+ ret = handler->hotplug.scan_dependent(adev);
+ else
+ ret = acpi_bus_scan(adev->handle);
+
+ if (ret)
+ dev_info(&adev->dev, "Namespace scan failure\n");
+
+ return ret;
}
static int acpi_scan_device_check(struct acpi_device *adev)
{
- int error;
+ struct acpi_device *parent;
- acpi_bus_get_status(adev);
- if (acpi_device_is_present(adev)) {
- /*
- * This function is only called for device objects for which
- * matching scan handlers exist. The only situation in which
- * the scan handler is not attached to this device object yet
- * is when the device has just appeared (either it wasn't
- * present at all before or it was removed and then added
- * again).
- */
- if (adev->handler) {
- dev_warn(&adev->dev, "Already enumerated\n");
- return -EALREADY;
- }
- error = acpi_bus_scan(adev->handle);
- if (error) {
- dev_warn(&adev->dev, "Namespace scan failure\n");
- return error;
- }
- if (!adev->handler) {
- dev_warn(&adev->dev, "Enumeration failure\n");
- error = -ENODEV;
- }
- } else {
- error = acpi_scan_device_not_enumerated(adev);
- }
- return error;
-}
+ acpi_scan_check_subtree(adev);
-static int acpi_scan_bus_check(struct acpi_device *adev, void *not_used)
-{
- struct acpi_scan_handler *handler = adev->handler;
- int error;
+ if (!acpi_device_is_present(adev))
+ return 0;
- acpi_bus_get_status(adev);
- if (!acpi_device_is_present(adev)) {
- acpi_scan_device_not_enumerated(adev);
+ /*
+ * This function is only called for device objects for which matching
+ * scan handlers exist. The only situation in which the scan handler
+ * is not attached to this device object yet is when the device has
+ * just appeared (either it wasn't present at all before or it was
+ * removed and then added again).
+ */
+ if (adev->handler) {
+ dev_dbg(&adev->dev, "Already enumerated\n");
return 0;
}
- if (handler && handler->hotplug.scan_dependent)
- return handler->hotplug.scan_dependent(adev);
- error = acpi_bus_scan(adev->handle);
- if (error) {
- dev_warn(&adev->dev, "Namespace scan failure\n");
- return error;
- }
- return acpi_dev_for_each_child(adev, acpi_scan_bus_check, NULL);
+ parent = acpi_dev_parent(adev);
+ if (!parent)
+ parent = adev;
+
+ return acpi_scan_rescan_bus(parent);
+}
+
+static int acpi_scan_bus_check(struct acpi_device *adev)
+{
+ acpi_scan_check_subtree(adev);
+
+ return acpi_scan_rescan_bus(adev);
}
static int acpi_generic_hotplug_event(struct acpi_device *adev, u32 type)
{
switch (type) {
case ACPI_NOTIFY_BUS_CHECK:
- return acpi_scan_bus_check(adev, NULL);
+ return acpi_scan_bus_check(adev);
case ACPI_NOTIFY_DEVICE_CHECK:
return acpi_scan_device_check(adev);
case ACPI_NOTIFY_EJECT_REQUEST:
@@ -798,6 +832,7 @@ static const char * const acpi_honor_dep_ids[] = {
"INTC1059", /* IVSC (TGL) driver must be loaded to allow i2c access to camera sensors */
"INTC1095", /* IVSC (ADL) driver must be loaded to allow i2c access to camera sensors */
"INTC100A", /* IVSC (RPL) driver must be loaded to allow i2c access to camera sensors */
+ "INTC10CF", /* IVSC (MTL) driver must be loaded to allow i2c access to camera sensors */
NULL
};
@@ -1922,6 +1957,11 @@ bool acpi_device_is_present(const struct acpi_device *adev)
return adev->status.present || adev->status.functional;
}
+bool acpi_device_is_enabled(const struct acpi_device *adev)
+{
+ return adev->status.present && adev->status.enabled;
+}
+
static bool acpi_scan_handler_matching(struct acpi_scan_handler *handler,
const char *idstr,
const struct acpi_device_id **matchid)
@@ -2550,32 +2590,6 @@ int acpi_bus_scan(acpi_handle handle)
}
EXPORT_SYMBOL(acpi_bus_scan);
-static int acpi_bus_trim_one(struct acpi_device *adev, void *not_used)
-{
- struct acpi_scan_handler *handler = adev->handler;
-
- acpi_dev_for_each_child_reverse(adev, acpi_bus_trim_one, NULL);
-
- adev->flags.match_driver = false;
- if (handler) {
- if (handler->detach)
- handler->detach(adev);
-
- adev->handler = NULL;
- } else {
- device_release_driver(&adev->dev);
- }
- /*
- * Most likely, the device is going away, so put it into D3cold before
- * that.
- */
- acpi_device_set_power(adev, ACPI_STATE_D3_COLD);
- adev->flags.initialized = false;
- acpi_device_clear_enumerated(adev);
-
- return 0;
-}
-
/**
* acpi_bus_trim - Detach scan handlers and drivers from ACPI device objects.
* @adev: Root of the ACPI namespace scope to walk.
@@ -2584,7 +2598,7 @@ static int acpi_bus_trim_one(struct acpi_device *adev, void *not_used)
*/
void acpi_bus_trim(struct acpi_device *adev)
{
- acpi_bus_trim_one(adev, NULL);
+ acpi_scan_check_and_detach(adev, NULL);
}
EXPORT_SYMBOL_GPL(acpi_bus_trim);
diff --git a/drivers/acpi/x86/s2idle.c b/drivers/acpi/x86/s2idle.c
index 7d64e655f1b8..cd84af23f7ea 100644
--- a/drivers/acpi/x86/s2idle.c
+++ b/drivers/acpi/x86/s2idle.c
@@ -488,7 +488,21 @@ static int lps0_device_attach(struct acpi_device *adev,
rev_id = 1;
lps0_dsm_func_mask = validate_dsm(adev->handle,
ACPI_LPS0_DSM_UUID, rev_id, &lps0_dsm_guid);
- lps0_dsm_func_mask_microsoft = -EINVAL;
+ if (lps0_dsm_func_mask > 0 && lps0_dsm_func_mask_microsoft > 0) {
+ unsigned int func_mask;
+
+ /*
+ * Avoid evaluating the same _DSM function for two
+ * different UUIDs and prioritize the MSFT one.
+ */
+ func_mask = lps0_dsm_func_mask & lps0_dsm_func_mask_microsoft;
+ if (func_mask) {
+ acpi_handle_info(adev->handle,
+ "Duplicate LPS0 _DSM functions (mask: 0x%x)\n",
+ func_mask);
+ lps0_dsm_func_mask &= ~func_mask;
+ }
+ }
}
if (lps0_dsm_func_mask < 0 && lps0_dsm_func_mask_microsoft < 0)
@@ -549,19 +563,22 @@ int acpi_s2idle_prepare_late(void)
lps0_dsm_func_mask_microsoft, lps0_dsm_guid_microsoft);
/* LPS0 entry */
- if (lps0_dsm_func_mask > 0)
- acpi_sleep_run_lps0_dsm(acpi_s2idle_vendor_amd() ?
- ACPI_LPS0_ENTRY_AMD :
- ACPI_LPS0_ENTRY,
+ if (lps0_dsm_func_mask > 0 && acpi_s2idle_vendor_amd())
+ acpi_sleep_run_lps0_dsm(ACPI_LPS0_ENTRY_AMD,
lps0_dsm_func_mask, lps0_dsm_guid);
+
if (lps0_dsm_func_mask_microsoft > 0) {
- /* modern standby entry */
+ /* Modern Standby entry */
acpi_sleep_run_lps0_dsm(ACPI_LPS0_MS_ENTRY,
lps0_dsm_func_mask_microsoft, lps0_dsm_guid_microsoft);
acpi_sleep_run_lps0_dsm(ACPI_LPS0_ENTRY,
lps0_dsm_func_mask_microsoft, lps0_dsm_guid_microsoft);
}
+ if (lps0_dsm_func_mask > 0 && !acpi_s2idle_vendor_amd())
+ acpi_sleep_run_lps0_dsm(ACPI_LPS0_ENTRY,
+ lps0_dsm_func_mask, lps0_dsm_guid);
+
list_for_each_entry(handler, &lps0_s2idle_devops_head, list_node) {
if (handler->prepare)
handler->prepare();
@@ -600,14 +617,14 @@ void acpi_s2idle_restore_early(void)
ACPI_LPS0_EXIT_AMD :
ACPI_LPS0_EXIT,
lps0_dsm_func_mask, lps0_dsm_guid);
- if (lps0_dsm_func_mask_microsoft > 0)
+
+ if (lps0_dsm_func_mask_microsoft > 0) {
acpi_sleep_run_lps0_dsm(ACPI_LPS0_EXIT,
lps0_dsm_func_mask_microsoft, lps0_dsm_guid_microsoft);
-
- /* Modern standby exit */
- if (lps0_dsm_func_mask_microsoft > 0)
+ /* Modern Standby exit */
acpi_sleep_run_lps0_dsm(ACPI_LPS0_MS_EXIT,
lps0_dsm_func_mask_microsoft, lps0_dsm_guid_microsoft);
+ }
/* Screen on */
if (lps0_dsm_func_mask_microsoft > 0)
generated by cgit (git 2.34.1) at 2024-06-08 12:31:57 +0000