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-rw-r--r--drivers/acpi/acpi_amba.c5
-rw-r--r--drivers/acpi/acpi_platform.c6
-rw-r--r--drivers/acpi/acpi_video.c2
-rw-r--r--drivers/acpi/bus.c6
-rw-r--r--drivers/acpi/device_pm.c36
-rw-r--r--drivers/acpi/internal.h6
-rw-r--r--drivers/acpi/irq.c4
-rw-r--r--drivers/acpi/power.c11
-rw-r--r--drivers/acpi/property.c13
-rw-r--r--drivers/acpi/sbs.c2
-rw-r--r--drivers/acpi/sbshc.c2
-rw-r--r--drivers/acpi/scan.c126
-rw-r--r--drivers/clk/clk-tps68470.c13
-rw-r--r--drivers/hv/vmbus_drv.c3
-rw-r--r--drivers/hwmon/acpi_power_meter.c2
-rw-r--r--drivers/perf/arm_dsu_pmu.c4
-rw-r--r--drivers/perf/qcom_l3_pmu.c3
-rw-r--r--drivers/platform/x86/intel/int3472/common.c2
-rw-r--r--drivers/platform/x86/intel/int3472/tps68470.c76
-rw-r--r--drivers/platform/x86/intel/int3472/tps68470.h3
-rw-r--r--drivers/platform/x86/intel/int3472/tps68470_board_data.c54
-rw-r--r--drivers/spi/spi.c2
-rw-r--r--drivers/thunderbolt/acpi.c2
23 files changed, 263 insertions, 120 deletions
diff --git a/drivers/acpi/acpi_amba.c b/drivers/acpi/acpi_amba.c
index ab8a4e0191b1..9d69546db2a4 100644
--- a/drivers/acpi/acpi_amba.c
+++ b/drivers/acpi/acpi_amba.c
@@ -48,6 +48,7 @@ static void amba_register_dummy_clk(void)
static int amba_handler_attach(struct acpi_device *adev,
const struct acpi_device_id *id)
{
+ struct acpi_device *parent = acpi_dev_parent(adev);
struct amba_device *dev;
struct resource_entry *rentry;
struct list_head resource_list;
@@ -97,8 +98,8 @@ static int amba_handler_attach(struct acpi_device *adev,
* attached to it, that physical device should be the parent of
* the amba device we are about to create.
*/
- if (adev->parent)
- dev->dev.parent = acpi_get_first_physical_node(adev->parent);
+ if (parent)
+ dev->dev.parent = acpi_get_first_physical_node(parent);
ACPI_COMPANION_SET(&dev->dev, adev);
diff --git a/drivers/acpi/acpi_platform.c b/drivers/acpi/acpi_platform.c
index de3cbf152dee..1a1c78b23fba 100644
--- a/drivers/acpi/acpi_platform.c
+++ b/drivers/acpi/acpi_platform.c
@@ -78,7 +78,7 @@ static void acpi_platform_fill_resource(struct acpi_device *adev,
* If the device has parent we need to take its resources into
* account as well because this device might consume part of those.
*/
- parent = acpi_get_first_physical_node(adev->parent);
+ parent = acpi_get_first_physical_node(acpi_dev_parent(adev));
if (parent && dev_is_pci(parent))
dest->parent = pci_find_resource(to_pci_dev(parent), dest);
}
@@ -97,6 +97,7 @@ static void acpi_platform_fill_resource(struct acpi_device *adev,
struct platform_device *acpi_create_platform_device(struct acpi_device *adev,
const struct property_entry *properties)
{
+ struct acpi_device *parent = acpi_dev_parent(adev);
struct platform_device *pdev = NULL;
struct platform_device_info pdevinfo;
struct resource_entry *rentry;
@@ -137,8 +138,7 @@ struct platform_device *acpi_create_platform_device(struct acpi_device *adev,
* attached to it, that physical device should be the parent of the
* platform device we are about to create.
*/
- pdevinfo.parent = adev->parent ?
- acpi_get_first_physical_node(adev->parent) : NULL;
+ pdevinfo.parent = parent ? acpi_get_first_physical_node(parent) : NULL;
pdevinfo.name = dev_name(&adev->dev);
pdevinfo.id = -1;
pdevinfo.res = resources;
diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c
index 5cbe2196176d..92a6c6f9a9a7 100644
--- a/drivers/acpi/acpi_video.c
+++ b/drivers/acpi/acpi_video.c
@@ -2030,7 +2030,7 @@ static int acpi_video_bus_add(struct acpi_device *device)
acpi_status status;
status = acpi_walk_namespace(ACPI_TYPE_DEVICE,
- device->parent->handle, 1,
+ acpi_dev_parent(device)->handle, 1,
acpi_video_bus_match, NULL,
device, NULL);
if (status == AE_ALREADY_EXISTS) {
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index c0d20d997891..f43c6a4b0827 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -511,7 +511,7 @@ static void acpi_bus_notify(acpi_handle handle, u32 type, void *data)
break;
}
- adev = acpi_bus_get_acpi_device(handle);
+ adev = acpi_get_acpi_dev(handle);
if (!adev)
goto err;
@@ -524,14 +524,14 @@ static void acpi_bus_notify(acpi_handle handle, u32 type, void *data)
}
if (!hotplug_event) {
- acpi_bus_put_acpi_device(adev);
+ acpi_put_acpi_dev(adev);
return;
}
if (ACPI_SUCCESS(acpi_hotplug_schedule(adev, type)))
return;
- acpi_bus_put_acpi_device(adev);
+ acpi_put_acpi_dev(adev);
err:
acpi_evaluate_ost(handle, type, ost_code, NULL);
diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c
index 9dce1245689c..3aca67cf9ce5 100644
--- a/drivers/acpi/device_pm.c
+++ b/drivers/acpi/device_pm.c
@@ -75,15 +75,17 @@ static int acpi_dev_pm_explicit_get(struct acpi_device *device, int *state)
int acpi_device_get_power(struct acpi_device *device, int *state)
{
int result = ACPI_STATE_UNKNOWN;
+ struct acpi_device *parent;
int error;
if (!device || !state)
return -EINVAL;
+ parent = acpi_dev_parent(device);
+
if (!device->flags.power_manageable) {
/* TBD: Non-recursive algorithm for walking up hierarchy. */
- *state = device->parent ?
- device->parent->power.state : ACPI_STATE_D0;
+ *state = parent ? parent->power.state : ACPI_STATE_D0;
goto out;
}
@@ -122,10 +124,10 @@ int acpi_device_get_power(struct acpi_device *device, int *state)
* point, the fact that the device is in D0 implies that the parent has
* to be in D0 too, except if ignore_parent is set.
*/
- if (!device->power.flags.ignore_parent && device->parent
- && device->parent->power.state == ACPI_STATE_UNKNOWN
- && result == ACPI_STATE_D0)
- device->parent->power.state = ACPI_STATE_D0;
+ if (!device->power.flags.ignore_parent && parent &&
+ parent->power.state == ACPI_STATE_UNKNOWN &&
+ result == ACPI_STATE_D0)
+ parent->power.state = ACPI_STATE_D0;
*state = result;
@@ -191,13 +193,17 @@ int acpi_device_set_power(struct acpi_device *device, int state)
return -ENODEV;
}
- if (!device->power.flags.ignore_parent && device->parent &&
- state < device->parent->power.state) {
- acpi_handle_debug(device->handle,
- "Cannot transition to %s for parent in %s\n",
- acpi_power_state_string(state),
- acpi_power_state_string(device->parent->power.state));
- return -ENODEV;
+ if (!device->power.flags.ignore_parent) {
+ struct acpi_device *parent;
+
+ parent = acpi_dev_parent(device);
+ if (parent && state < parent->power.state) {
+ acpi_handle_debug(device->handle,
+ "Cannot transition to %s for parent in %s\n",
+ acpi_power_state_string(state),
+ acpi_power_state_string(parent->power.state));
+ return -ENODEV;
+ }
}
/*
@@ -497,7 +503,7 @@ static void acpi_pm_notify_handler(acpi_handle handle, u32 val, void *not_used)
acpi_handle_debug(handle, "Wake notify\n");
- adev = acpi_bus_get_acpi_device(handle);
+ adev = acpi_get_acpi_dev(handle);
if (!adev)
return;
@@ -515,7 +521,7 @@ static void acpi_pm_notify_handler(acpi_handle handle, u32 val, void *not_used)
mutex_unlock(&acpi_pm_notifier_lock);
- acpi_bus_put_acpi_device(adev);
+ acpi_put_acpi_dev(adev);
}
/**
diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h
index 628bf8f18130..219c02df9a08 100644
--- a/drivers/acpi/internal.h
+++ b/drivers/acpi/internal.h
@@ -102,10 +102,10 @@ struct acpi_device_bus_id {
struct list_head node;
};
-int acpi_device_add(struct acpi_device *device,
- void (*release)(struct device *));
void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,
- int type);
+ int type, void (*release)(struct device *));
+int acpi_tie_acpi_dev(struct acpi_device *adev);
+int acpi_device_add(struct acpi_device *device);
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);
diff --git a/drivers/acpi/irq.c b/drivers/acpi/irq.c
index dabe45eba055..4db5bb587599 100644
--- a/drivers/acpi/irq.c
+++ b/drivers/acpi/irq.c
@@ -118,12 +118,12 @@ acpi_get_irq_source_fwhandle(const struct acpi_resource_source *source,
if (WARN_ON(ACPI_FAILURE(status)))
return NULL;
- device = acpi_bus_get_acpi_device(handle);
+ device = acpi_get_acpi_dev(handle);
if (WARN_ON(!device))
return NULL;
result = &device->fwnode;
- acpi_bus_put_acpi_device(device);
+ acpi_put_acpi_dev(device);
return result;
}
diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index 8c4a73a1351e..f2588aba8421 100644
--- a/drivers/acpi/power.c
+++ b/drivers/acpi/power.c
@@ -944,13 +944,15 @@ struct acpi_device *acpi_add_power_resource(acpi_handle handle)
return NULL;
device = &resource->device;
- acpi_init_device_object(device, handle, ACPI_BUS_TYPE_POWER);
+ acpi_init_device_object(device, handle, ACPI_BUS_TYPE_POWER,
+ acpi_release_power_resource);
mutex_init(&resource->resource_lock);
INIT_LIST_HEAD(&resource->list_node);
INIT_LIST_HEAD(&resource->dependents);
strcpy(acpi_device_name(device), ACPI_POWER_DEVICE_NAME);
strcpy(acpi_device_class(device), ACPI_POWER_CLASS);
device->power.state = ACPI_STATE_UNKNOWN;
+ device->flags.match_driver = true;
/* Evaluate the object to get the system level and resource order. */
status = acpi_evaluate_object(handle, NULL, NULL, &buffer);
@@ -967,8 +969,11 @@ struct acpi_device *acpi_add_power_resource(acpi_handle handle)
pr_info("%s [%s]\n", acpi_device_name(device), acpi_device_bid(device));
- device->flags.match_driver = true;
- result = acpi_device_add(device, acpi_release_power_resource);
+ result = acpi_tie_acpi_dev(device);
+ if (result)
+ goto err;
+
+ result = acpi_device_add(device);
if (result)
goto err;
diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c
index d4c168ce428c..b8d9eb9a433e 100644
--- a/drivers/acpi/property.c
+++ b/drivers/acpi/property.c
@@ -304,8 +304,10 @@ static void acpi_init_of_compatible(struct acpi_device *adev)
ret = acpi_dev_get_property(adev, "compatible",
ACPI_TYPE_STRING, &of_compatible);
if (ret) {
- if (adev->parent
- && adev->parent->flags.of_compatible_ok)
+ struct acpi_device *parent;
+
+ parent = acpi_dev_parent(adev);
+ if (parent && parent->flags.of_compatible_ok)
goto out;
return;
@@ -1267,10 +1269,11 @@ acpi_node_get_parent(const struct fwnode_handle *fwnode)
return to_acpi_data_node(fwnode)->parent;
}
if (is_acpi_device_node(fwnode)) {
- struct device *dev = to_acpi_device_node(fwnode)->dev.parent;
+ struct acpi_device *parent;
- if (dev)
- return acpi_fwnode_handle(to_acpi_device(dev));
+ parent = acpi_dev_parent(to_acpi_device_node(fwnode));
+ if (parent)
+ return acpi_fwnode_handle(parent);
}
return NULL;
diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c
index 4938010fcac7..e6a01a8df1b8 100644
--- a/drivers/acpi/sbs.c
+++ b/drivers/acpi/sbs.c
@@ -632,7 +632,7 @@ static int acpi_sbs_add(struct acpi_device *device)
mutex_init(&sbs->lock);
- sbs->hc = acpi_driver_data(device->parent);
+ sbs->hc = acpi_driver_data(acpi_dev_parent(device));
sbs->device = device;
strcpy(acpi_device_name(device), ACPI_SBS_DEVICE_NAME);
strcpy(acpi_device_class(device), ACPI_SBS_CLASS);
diff --git a/drivers/acpi/sbshc.c b/drivers/acpi/sbshc.c
index 7c62e149a7a1..340e0b61587e 100644
--- a/drivers/acpi/sbshc.c
+++ b/drivers/acpi/sbshc.c
@@ -266,7 +266,7 @@ static int acpi_smbus_hc_add(struct acpi_device *device)
mutex_init(&hc->lock);
init_waitqueue_head(&hc->wait);
- hc->ec = acpi_driver_data(device->parent);
+ hc->ec = acpi_driver_data(acpi_dev_parent(device));
hc->offset = (val >> 8) & 0xff;
hc->query_bit = val & 0xff;
device->driver_data = hc;
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 42cec8120f18..d0277427e7ee 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -29,8 +29,6 @@ extern struct acpi_device *acpi_root;
#define ACPI_BUS_HID "LNXSYBUS"
#define ACPI_BUS_DEVICE_NAME "System Bus"
-#define ACPI_IS_ROOT_DEVICE(device) (!(device)->parent)
-
#define INVALID_ACPI_HANDLE ((acpi_handle)empty_zero_page)
static const char *dummy_hid = "device";
@@ -429,7 +427,7 @@ void acpi_device_hotplug(struct acpi_device *adev, u32 src)
acpi_evaluate_ost(adev->handle, src, ost_code, NULL);
out:
- acpi_bus_put_acpi_device(adev);
+ acpi_put_acpi_dev(adev);
mutex_unlock(&acpi_scan_lock);
unlock_device_hotplug();
}
@@ -599,11 +597,22 @@ static void get_acpi_device(void *dev)
acpi_dev_get(dev);
}
-struct acpi_device *acpi_bus_get_acpi_device(acpi_handle handle)
+/**
+ * acpi_get_acpi_dev - Retrieve ACPI device object and reference count it.
+ * @handle: ACPI handle associated with the requested ACPI device object.
+ *
+ * Return a pointer to the ACPI device object associated with @handle and bump
+ * up that object's reference counter (under the ACPI Namespace lock), if
+ * present, or return NULL otherwise.
+ *
+ * The ACPI device object reference acquired by this function needs to be
+ * dropped via acpi_dev_put().
+ */
+struct acpi_device *acpi_get_acpi_dev(acpi_handle handle)
{
return handle_to_device(handle, get_acpi_device);
}
-EXPORT_SYMBOL_GPL(acpi_bus_get_acpi_device);
+EXPORT_SYMBOL_GPL(acpi_get_acpi_dev);
static struct acpi_device_bus_id *acpi_device_bus_id_match(const char *dev_id)
{
@@ -632,7 +641,7 @@ static int acpi_device_set_name(struct acpi_device *device,
return 0;
}
-static int acpi_tie_acpi_dev(struct acpi_device *adev)
+int acpi_tie_acpi_dev(struct acpi_device *adev)
{
acpi_handle handle = adev->handle;
acpi_status status;
@@ -662,8 +671,7 @@ static void acpi_store_pld_crc(struct acpi_device *adev)
ACPI_FREE(pld);
}
-static int __acpi_device_add(struct acpi_device *device,
- void (*release)(struct device *))
+int acpi_device_add(struct acpi_device *device)
{
struct acpi_device_bus_id *acpi_device_bus_id;
int result;
@@ -719,11 +727,6 @@ static int __acpi_device_add(struct acpi_device *device,
mutex_unlock(&acpi_device_lock);
- if (device->parent)
- device->dev.parent = &device->parent->dev;
-
- device->dev.bus = &acpi_bus_type;
- device->dev.release = release;
result = device_add(&device->dev);
if (result) {
dev_err(&device->dev, "Error registering device\n");
@@ -750,17 +753,6 @@ err_unlock:
return result;
}
-int acpi_device_add(struct acpi_device *adev, void (*release)(struct device *))
-{
- int ret;
-
- ret = acpi_tie_acpi_dev(adev);
- if (ret)
- return ret;
-
- return __acpi_device_add(adev, release);
-}
-
/* --------------------------------------------------------------------------
Device Enumeration
-------------------------------------------------------------------------- */
@@ -805,10 +797,9 @@ static const char * const acpi_honor_dep_ids[] = {
NULL
};
-static struct acpi_device *acpi_bus_get_parent(acpi_handle handle)
+static struct acpi_device *acpi_find_parent_acpi_dev(acpi_handle handle)
{
- struct acpi_device *device;
- acpi_status status;
+ struct acpi_device *adev;
/*
* Fixed hardware devices do not appear in the namespace and do not
@@ -819,13 +810,18 @@ static struct acpi_device *acpi_bus_get_parent(acpi_handle handle)
return acpi_root;
do {
+ acpi_status status;
+
status = acpi_get_parent(handle, &handle);
- if (ACPI_FAILURE(status))
- return status == AE_NULL_ENTRY ? NULL : acpi_root;
+ if (ACPI_FAILURE(status)) {
+ if (status != AE_NULL_ENTRY)
+ return acpi_root;
- device = acpi_fetch_acpi_dev(handle);
- } while (!device);
- return device;
+ return NULL;
+ }
+ adev = acpi_fetch_acpi_dev(handle);
+ } while (!adev);
+ return adev;
}
acpi_status
@@ -1112,7 +1108,7 @@ static void acpi_device_get_busid(struct acpi_device *device)
* The device's Bus ID is simply the object name.
* TBD: Shouldn't this value be unique (within the ACPI namespace)?
*/
- if (ACPI_IS_ROOT_DEVICE(device)) {
+ if (!acpi_dev_parent(device)) {
strcpy(device->pnp.bus_id, "ACPI");
return;
}
@@ -1648,7 +1644,7 @@ static void acpi_init_coherency(struct acpi_device *adev)
{
unsigned long long cca = 0;
acpi_status status;
- struct acpi_device *parent = adev->parent;
+ struct acpi_device *parent = acpi_dev_parent(adev);
if (parent && parent->flags.cca_seen) {
/*
@@ -1692,7 +1688,7 @@ static int acpi_check_serial_bus_slave(struct acpi_resource *ares, void *data)
static bool acpi_is_indirect_io_slave(struct acpi_device *device)
{
- struct acpi_device *parent = device->parent;
+ struct acpi_device *parent = acpi_dev_parent(device);
static const struct acpi_device_id indirect_io_hosts[] = {
{"HISI0191", 0},
{}
@@ -1762,12 +1758,16 @@ static bool acpi_device_enumeration_by_parent(struct acpi_device *device)
}
void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,
- int type)
+ int type, void (*release)(struct device *))
{
+ struct acpi_device *parent = acpi_find_parent_acpi_dev(handle);
+
INIT_LIST_HEAD(&device->pnp.ids);
device->device_type = type;
device->handle = handle;
- device->parent = acpi_bus_get_parent(handle);
+ device->dev.parent = parent ? &parent->dev : NULL;
+ device->dev.release = release;
+ device->dev.bus = &acpi_bus_type;
fwnode_init(&device->fwnode, &acpi_device_fwnode_ops);
acpi_set_device_status(device, ACPI_STA_DEFAULT);
acpi_device_get_busid(device);
@@ -1821,7 +1821,7 @@ static int acpi_add_single_object(struct acpi_device **child,
if (!device)
return -ENOMEM;
- acpi_init_device_object(device, handle, type);
+ acpi_init_device_object(device, handle, type, acpi_device_release);
/*
* Getting the status is delayed till here so that we can call
* acpi_bus_get_status() and use its quirk handling. Note that
@@ -1851,7 +1851,7 @@ static int acpi_add_single_object(struct acpi_device **child,
mutex_unlock(&acpi_dep_list_lock);
if (!result)
- result = __acpi_device_add(device, acpi_device_release);
+ result = acpi_device_add(device);
if (result) {
acpi_device_release(&device->dev);
@@ -1862,8 +1862,8 @@ static int acpi_add_single_object(struct acpi_device **child,
acpi_device_add_finalize(device);
acpi_handle_debug(handle, "Added as %s, parent %s\n",
- dev_name(&device->dev), device->parent ?
- dev_name(&device->parent->dev) : "(null)");
+ dev_name(&device->dev), device->dev.parent ?
+ dev_name(device->dev.parent) : "(null)");
*child = device;
return 0;
@@ -2235,11 +2235,24 @@ ok:
return 0;
}
-static int acpi_dev_get_first_consumer_dev_cb(struct acpi_dep_data *dep, void *data)
+static int acpi_dev_get_next_consumer_dev_cb(struct acpi_dep_data *dep, void *data)
{
- struct acpi_device *adev;
+ struct acpi_device **adev_p = data;
+ struct acpi_device *adev = *adev_p;
+
+ /*
+ * If we're passed a 'previous' consumer device then we need to skip
+ * any consumers until we meet the previous one, and then NULL @data
+ * so the next one can be returned.
+ */
+ if (adev) {
+ if (dep->consumer == adev->handle)
+ *adev_p = NULL;
+
+ return 0;
+ }
- adev = acpi_bus_get_acpi_device(dep->consumer);
+ adev = acpi_get_acpi_dev(dep->consumer);
if (adev) {
*(struct acpi_device **)data = adev;
return 1;
@@ -2292,7 +2305,7 @@ static bool acpi_scan_clear_dep_queue(struct acpi_device *adev)
static int acpi_scan_clear_dep(struct acpi_dep_data *dep, void *data)
{
- struct acpi_device *adev = acpi_bus_get_acpi_device(dep->consumer);
+ struct acpi_device *adev = acpi_get_acpi_dev(dep->consumer);
if (adev) {
adev->dep_unmet--;
@@ -2368,25 +2381,32 @@ bool acpi_dev_ready_for_enumeration(const struct acpi_device *device)
EXPORT_SYMBOL_GPL(acpi_dev_ready_for_enumeration);
/**
- * acpi_dev_get_first_consumer_dev - Return ACPI device dependent on @supplier
+ * acpi_dev_get_next_consumer_dev - Return the next adev dependent on @supplier
* @supplier: Pointer to the dependee device
+ * @start: Pointer to the current dependent device
*
- * Returns the first &struct acpi_device which declares itself dependent on
+ * Returns the next &struct acpi_device which declares itself dependent on
* @supplier via the _DEP buffer, parsed from the acpi_dep_list.
*
- * The caller is responsible for putting the reference to adev when it is no
- * longer needed.
+ * If the returned adev is not passed as @start to this function, the caller is
+ * responsible for putting the reference to adev when it is no longer needed.
*/
-struct acpi_device *acpi_dev_get_first_consumer_dev(struct acpi_device *supplier)
+struct acpi_device *acpi_dev_get_next_consumer_dev(struct acpi_device *supplier,
+ struct acpi_device *start)
{
- struct acpi_device *adev = NULL;
+ struct acpi_device *adev = start;
acpi_walk_dep_device_list(supplier->handle,
- acpi_dev_get_first_consumer_dev_cb, &adev);
+ acpi_dev_get_next_consumer_dev_cb, &adev);
+
+ acpi_dev_put(start);
+
+ if (adev == start)
+ return NULL;
return adev;
}
-EXPORT_SYMBOL_GPL(acpi_dev_get_first_consumer_dev);
+EXPORT_SYMBOL_GPL(acpi_dev_get_next_consumer_dev);
/**
* acpi_bus_scan - Add ACPI device node objects in a given namespace scope.
diff --git a/drivers/clk/clk-tps68470.c b/drivers/clk/clk-tps68470.c
index e5fbefd6ac2d..38f44b5b9b1b 100644
--- a/drivers/clk/clk-tps68470.c
+++ b/drivers/clk/clk-tps68470.c
@@ -200,7 +200,9 @@ static int tps68470_clk_probe(struct platform_device *pdev)
.flags = CLK_SET_RATE_GATE,
};
struct tps68470_clkdata *tps68470_clkdata;
+ struct tps68470_clk_consumer *consumer;
int ret;
+ int i;
tps68470_clkdata = devm_kzalloc(&pdev->dev, sizeof(*tps68470_clkdata),
GFP_KERNEL);
@@ -223,10 +225,13 @@ static int tps68470_clk_probe(struct platform_device *pdev)
return ret;
if (pdata) {
- ret = devm_clk_hw_register_clkdev(&pdev->dev,
- &tps68470_clkdata->clkout_hw,
- pdata->consumer_con_id,
- pdata->consumer_dev_name);
+ for (i = 0; i < pdata->n_consumers; i++) {
+ consumer = &pdata->consumers[i];
+ ret = devm_clk_hw_register_clkdev(&pdev->dev,
+ &tps68470_clkdata->clkout_hw,
+ consumer->consumer_con_id,
+ consumer->consumer_dev_name);
+ }
}
return ret;
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index 3c833ea60db6..7b9f3fc3adf7 100644
--- a/drivers/hv/vmbus_drv.c
+++ b/drivers/hv/vmbus_drv.c
@@ -2453,7 +2453,8 @@ static int vmbus_acpi_add(struct acpi_device *device)
* Some ancestor of the vmbus acpi device (Gen1 or Gen2
* firmware) is the VMOD that has the mmio ranges. Get that.
*/
- for (ancestor = device->parent; ancestor; ancestor = ancestor->parent) {
+ for (ancestor = acpi_dev_parent(device); ancestor;
+ ancestor = acpi_dev_parent(ancestor)) {
result = acpi_walk_resources(ancestor->handle, METHOD_NAME__CRS,
vmbus_walk_resources, NULL);
diff --git a/drivers/hwmon/acpi_power_meter.c b/drivers/hwmon/acpi_power_meter.c
index d2545a1be9fc..44e04c75d0d3 100644
--- a/drivers/hwmon/acpi_power_meter.c
+++ b/drivers/hwmon/acpi_power_meter.c
@@ -598,7 +598,7 @@ static int read_domain_devices(struct acpi_power_meter_resource *resource)
continue;
/* Create a symlink to domain objects */
- obj = acpi_bus_get_acpi_device(element->reference.handle);
+ obj = acpi_get_acpi_dev(element->reference.handle);
resource->domain_devices[i] = obj;
if (!obj)
continue;
diff --git a/drivers/perf/arm_dsu_pmu.c b/drivers/perf/arm_dsu_pmu.c
index a36698a90d2f..4a15c86f45ef 100644
--- a/drivers/perf/arm_dsu_pmu.c
+++ b/drivers/perf/arm_dsu_pmu.c
@@ -639,6 +639,7 @@ static int dsu_pmu_dt_get_cpus(struct device *dev, cpumask_t *mask)
static int dsu_pmu_acpi_get_cpus(struct device *dev, cpumask_t *mask)
{
#ifdef CONFIG_ACPI
+ struct acpi_device *parent_adev = acpi_dev_parent(ACPI_COMPANION(dev));
int cpu;
/*
@@ -653,8 +654,7 @@ static int dsu_pmu_acpi_get_cpus(struct device *dev, cpumask_t *mask)
continue;
acpi_dev = ACPI_COMPANION(cpu_dev);
- if (acpi_dev &&
- acpi_dev->parent == ACPI_COMPANION(dev)->parent)
+ if (acpi_dev && acpi_dev_parent(acpi_dev) == parent_adev)
cpumask_set_cpu(cpu, mask);
}
#endif
diff --git a/drivers/perf/qcom_l3_pmu.c b/drivers/perf/qcom_l3_pmu.c
index 1ff2ff6582bf..346311a05460 100644
--- a/drivers/perf/qcom_l3_pmu.c
+++ b/drivers/perf/qcom_l3_pmu.c
@@ -742,7 +742,8 @@ static int qcom_l3_cache_pmu_probe(struct platform_device *pdev)
l3pmu = devm_kzalloc(&pdev->dev, sizeof(*l3pmu), GFP_KERNEL);
name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "l3cache_%s_%s",
- acpi_dev->parent->pnp.unique_id, acpi_dev->pnp.unique_id);
+ acpi_dev_parent(acpi_dev)->pnp.unique_id,
+ acpi_dev->pnp.unique_id);
if (!l3pmu || !name)
return -ENOMEM;
diff --git a/drivers/platform/x86/intel/int3472/common.c b/drivers/platform/x86/intel/int3472/common.c
index 77cf058e4168..9db2bb0bbba4 100644
--- a/drivers/platform/x86/intel/int3472/common.c
+++ b/drivers/platform/x86/intel/int3472/common.c
@@ -62,7 +62,7 @@ int skl_int3472_get_sensor_adev_and_name(struct device *dev,
struct acpi_device *sensor;
int ret = 0;
- sensor = acpi_dev_get_first_consumer_dev(adev);
+ sensor = acpi_dev_get_next_consumer_dev(adev, NULL);
if (!sensor) {
dev_err(dev, "INT3472 seems to have no dependents.\n");
return -ENODEV;
diff --git a/drivers/platform/x86/intel/int3472/tps68470.c b/drivers/platform/x86/intel/int3472/tps68470.c
index 22f61b47f9e5..49fc379fe680 100644
--- a/drivers/platform/x86/intel/int3472/tps68470.c
+++ b/drivers/platform/x86/intel/int3472/tps68470.c
@@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
/* Author: Dan Scally <djrscally@gmail.com> */
+#include <linux/acpi.h>
#include <linux/i2c.h>
#include <linux/kernel.h>
#include <linux/mfd/core.h>
@@ -95,20 +96,65 @@ static int skl_int3472_tps68470_calc_type(struct acpi_device *adev)
return DESIGNED_FOR_WINDOWS;
}
+/*
+ * Return the size of the flexible array member, because we'll need that later
+ * on to pass .pdata_size to cells.
+ */
+static int
+skl_int3472_fill_clk_pdata(struct device *dev, struct tps68470_clk_platform_data **clk_pdata)
+{
+ struct acpi_device *adev = ACPI_COMPANION(dev);
+ struct acpi_device *consumer;
+ unsigned int n_consumers = 0;
+ const char *sensor_name;
+ unsigned int i = 0;
+
+ for_each_acpi_consumer_dev(adev, consumer)
+ n_consumers++;
+
+ if (!n_consumers) {
+ dev_err(dev, "INT3472 seems to have no dependents\n");
+ return -ENODEV;
+ }
+
+ *clk_pdata = devm_kzalloc(dev, struct_size(*clk_pdata, consumers, n_consumers),
+ GFP_KERNEL);
+ if (!*clk_pdata)
+ return -ENOMEM;
+
+ (*clk_pdata)->n_consumers = n_consumers;
+ i = 0;
+
+ for_each_acpi_consumer_dev(adev, consumer) {
+ sensor_name = devm_kasprintf(dev, GFP_KERNEL, I2C_DEV_NAME_FORMAT,
+ acpi_dev_name(consumer));
+ if (!sensor_name)
+ return -ENOMEM;
+
+ (*clk_pdata)->consumers[i].consumer_dev_name = sensor_name;
+ i++;
+ }
+
+ acpi_dev_put(consumer);
+
+ return n_consumers;
+}
+
static int skl_int3472_tps68470_probe(struct i2c_client *client)
{
struct acpi_device *adev = ACPI_COMPANION(&client->dev);
const struct int3472_tps68470_board_data *board_data;
- struct tps68470_clk_platform_data clk_pdata = {};
+ struct tps68470_clk_platform_data *clk_pdata;
struct mfd_cell *cells;
struct regmap *regmap;
+ int n_consumers;
int device_type;
int ret;
+ int i;
- ret = skl_int3472_get_sensor_adev_and_name(&client->dev, NULL,
- &clk_pdata.consumer_dev_name);
- if (ret)
- return ret;
+ n_consumers = skl_int3472_fill_clk_pdata(&client->dev, &clk_pdata);
+ if (n_consumers < 0)
+ return n_consumers;
regmap = devm_regmap_init_i2c(client, &tps68470_regmap_config);
if (IS_ERR(regmap)) {
@@ -142,22 +188,25 @@ static int skl_int3472_tps68470_probe(struct i2c_client *client)
* the clk + regulators must be ready when this happens.
*/
cells[0].name = "tps68470-clk";
- cells[0].platform_data = &clk_pdata;
- cells[0].pdata_size = sizeof(clk_pdata);
+ cells[0].platform_data = clk_pdata;
+ cells[0].pdata_size = struct_size(clk_pdata, consumers, n_consumers);
cells[1].name = "tps68470-regulator";
cells[1].platform_data = (void *)board_data->tps68470_regulator_pdata;
cells[1].pdata_size = sizeof(struct tps68470_regulator_platform_data);
cells[2].name = "tps68470-gpio";
- gpiod_add_lookup_table(board_data->tps68470_gpio_lookup_table);
+ for (i = 0; i < board_data->n_gpiod_lookups; i++)
+ gpiod_add_lookup_table(board_data->tps68470_gpio_lookup_tables[i]);
ret = devm_mfd_add_devices(&client->dev, PLATFORM_DEVID_NONE,
cells, TPS68470_WIN_MFD_CELL_COUNT,
NULL, 0, NULL);
kfree(cells);
- if (ret)
- gpiod_remove_lookup_table(board_data->tps68470_gpio_lookup_table);
+ if (ret) {
+ for (i = 0; i < board_data->n_gpiod_lookups; i++)
+ gpiod_remove_lookup_table(board_data->tps68470_gpio_lookup_tables[i]);
+ }
break;
case DESIGNED_FOR_CHROMEOS:
@@ -181,10 +230,13 @@ static int skl_int3472_tps68470_probe(struct i2c_client *client)
static int skl_int3472_tps68470_remove(struct i2c_client *client)
{
const struct int3472_tps68470_board_data *board_data;
+ int i;
board_data = int3472_tps68470_get_board_data(dev_name(&client->dev));
- if (board_data)
- gpiod_remove_lookup_table(board_data->tps68470_gpio_lookup_table);
+ if (board_data) {
+ for (i = 0; i < board_data->n_gpiod_lookups; i++)
+ gpiod_remove_lookup_table(board_data->tps68470_gpio_lookup_tables[i]);
+ }
return 0;
}
diff --git a/drivers/platform/x86/intel/int3472/tps68470.h b/drivers/platform/x86/intel/int3472/tps68470.h
index cfd33eb62740..35915e701593 100644
--- a/drivers/platform/x86/intel/int3472/tps68470.h
+++ b/drivers/platform/x86/intel/int3472/tps68470.h
@@ -16,8 +16,9 @@ struct tps68470_regulator_platform_data;
struct int3472_tps68470_board_data {
const char *dev_name;
- struct gpiod_lookup_table *tps68470_gpio_lookup_table;
const struct tps68470_regulator_platform_data *tps68470_regulator_pdata;
+ unsigned int n_gpiod_lookups;
+ struct gpiod_lookup_table *tps68470_gpio_lookup_tables[];
};
const struct int3472_tps68470_board_data *int3472_tps68470_get_board_data(const char *dev_name);
diff --git a/drivers/platform/x86/intel/int3472/tps68470_board_data.c b/drivers/platform/x86/intel/int3472/tps68470_board_data.c
index 525f09a3b5ff..309eab9c0558 100644
--- a/drivers/platform/x86/intel/int3472/tps68470_board_data.c
+++ b/drivers/platform/x86/intel/int3472/tps68470_board_data.c
@@ -30,6 +30,15 @@ static struct regulator_consumer_supply int347a_vcm_consumer_supplies[] = {
static struct regulator_consumer_supply int347a_vsio_consumer_supplies[] = {
REGULATOR_SUPPLY("dovdd", "i2c-INT347A:00"),
REGULATOR_SUPPLY("vsio", "i2c-INT347A:00-VCM"),
+ REGULATOR_SUPPLY("vddd", "i2c-INT347E:00"),
+};
+
+static struct regulator_consumer_supply int347a_aux1_consumer_supplies[] = {
+ REGULATOR_SUPPLY("vdda", "i2c-INT347E:00"),
+};
+
+static struct regulator_consumer_supply int347a_aux2_consumer_supplies[] = {
+ REGULATOR_SUPPLY("vdddo", "i2c-INT347E:00"),
};
static const struct regulator_init_data surface_go_tps68470_core_reg_init_data = {
@@ -86,6 +95,28 @@ static const struct regulator_init_data surface_go_tps68470_vsio_reg_init_data =
.consumer_supplies = int347a_vsio_consumer_supplies,
};
+static const struct regulator_init_data surface_go_tps68470_aux1_reg_init_data = {
+ .constraints = {
+ .min_uV = 2815200,
+ .max_uV = 2815200,
+ .apply_uV = 1,
+ .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+ },
+ .num_consumer_supplies = ARRAY_SIZE(int347a_aux1_consumer_supplies),
+ .consumer_supplies = int347a_aux1_consumer_supplies,
+};
+
+static const struct regulator_init_data surface_go_tps68470_aux2_reg_init_data = {
+ .constraints = {
+ .min_uV = 1800600,
+ .max_uV = 1800600,
+ .apply_uV = 1,
+ .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+ },
+ .num_consumer_supplies = ARRAY_SIZE(int347a_aux2_consumer_supplies),
+ .consumer_supplies = int347a_aux2_consumer_supplies,
+};
+
static const struct tps68470_regulator_platform_data surface_go_tps68470_pdata = {
.reg_init_data = {
[TPS68470_CORE] = &surface_go_tps68470_core_reg_init_data,
@@ -93,10 +124,12 @@ static const struct tps68470_regulator_platform_data surface_go_tps68470_pdata =
[TPS68470_VCM] = &surface_go_tps68470_vcm_reg_init_data,
[TPS68470_VIO] = &surface_go_tps68470_vio_reg_init_data,
[TPS68470_VSIO] = &surface_go_tps68470_vsio_reg_init_data,
+ [TPS68470_AUX1] = &surface_go_tps68470_aux1_reg_init_data,
+ [TPS68470_AUX2] = &surface_go_tps68470_aux2_reg_init_data,
},
};
-static struct gpiod_lookup_table surface_go_tps68470_gpios = {
+static struct gpiod_lookup_table surface_go_int347a_gpios = {
.dev_id = "i2c-INT347A:00",
.table = {
GPIO_LOOKUP("tps68470-gpio", 9, "reset", GPIO_ACTIVE_LOW),
@@ -105,16 +138,31 @@ static struct gpiod_lookup_table surface_go_tps68470_gpios = {
}
};
+static struct gpiod_lookup_table surface_go_int347e_gpios = {
+ .dev_id = "i2c-INT347E:00",
+ .table = {
+ GPIO_LOOKUP("tps68470-gpio", 5, "enable", GPIO_ACTIVE_HIGH),
+ { }
+ }
+};
+
static const struct int3472_tps68470_board_data surface_go_tps68470_board_data = {
.dev_name = "i2c-INT3472:05",
- .tps68470_gpio_lookup_table = &surface_go_tps68470_gpios,
.tps68470_regulator_pdata = &surface_go_tps68470_pdata,
+ .n_gpiod_lookups = 2,
+ .tps68470_gpio_lookup_tables = {
+ &surface_go_int347a_gpios,
+ &surface_go_int347e_gpios,
+ },
};
static const struct int3472_tps68470_board_data surface_go3_tps68470_board_data = {
.dev_name = "i2c-INT3472:01",
- .tps68470_gpio_lookup_table = &surface_go_tps68470_gpios,
.tps68470_regulator_pdata = &surface_go_tps68470_pdata,
+ .n_gpiod_lookups = 1,
+ .tps68470_gpio_lookup_tables = {
+ &surface_go_int347a_gpios
+ },
};
static const struct dmi_system_id int3472_tps68470_board_data_table[] = {
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 32c01e684af3..30e82f968639 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -4374,7 +4374,7 @@ static int acpi_spi_notify(struct notifier_block *nb, unsigned long value,
switch (value) {
case ACPI_RECONFIG_DEVICE_ADD:
- ctlr = acpi_spi_find_controller_by_adev(adev->parent);
+ ctlr = acpi_spi_find_controller_by_adev(acpi_dev_parent(adev));
if (!ctlr)
break;
diff --git a/drivers/thunderbolt/acpi.c b/drivers/thunderbolt/acpi.c
index b1f0dc8df47c..7a8adf5ad5a0 100644
--- a/drivers/thunderbolt/acpi.c
+++ b/drivers/thunderbolt/acpi.c
@@ -42,7 +42,7 @@ static acpi_status tb_acpi_add_link(acpi_handle handle, u32 level, void *data,
*/
dev = acpi_get_first_physical_node(adev);
while (!dev) {
- adev = adev->parent;
+ adev = acpi_dev_parent(adev);
if (!adev)
break;
dev = acpi_get_first_physical_node(adev);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-17 06:57:57 +0000