summaryrefslogtreecommitdiff
path: root/drivers/acpi
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/acpi_video.c5
-rw-r--r--drivers/acpi/device_pm.c31
-rw-r--r--drivers/acpi/dock.c3
-rw-r--r--drivers/acpi/pci_link.c12
-rw-r--r--drivers/acpi/pci_root.c10
-rw-r--r--drivers/acpi/power.c7
-rw-r--r--drivers/acpi/processor_driver.c10
-rw-r--r--drivers/acpi/processor_idle.c2
-rw-r--r--drivers/acpi/property.c11
-rw-r--r--drivers/acpi/resource.c4
-rw-r--r--drivers/acpi/thermal.c9
-rw-r--r--drivers/acpi/video_detect.c6
-rw-r--r--drivers/acpi/x86/s2idle.c4
13 files changed, 50 insertions, 64 deletions
diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c
index 42ede059728c..990ff5b0aeb8 100644
--- a/drivers/acpi/acpi_video.c
+++ b/drivers/acpi/acpi_video.c
@@ -1733,13 +1733,12 @@ acpi_video_bus_match(acpi_handle handle, u32 level, void *context,
{
struct acpi_device *device = context;
struct acpi_device *sibling;
- int result;
if (handle == device->handle)
return AE_CTRL_TERMINATE;
- result = acpi_bus_get_device(handle, &sibling);
- if (result)
+ sibling = acpi_fetch_acpi_dev(handle);
+ if (!sibling)
return AE_OK;
if (!strcmp(acpi_device_name(sibling), ACPI_VIDEO_BUS_NAME))
diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c
index 19b33c028f35..cc6c97e7dcae 100644
--- a/drivers/acpi/device_pm.c
+++ b/drivers/acpi/device_pm.c
@@ -285,14 +285,12 @@ EXPORT_SYMBOL(acpi_device_set_power);
int acpi_bus_set_power(acpi_handle handle, int state)
{
- struct acpi_device *device;
- int result;
+ struct acpi_device *device = acpi_fetch_acpi_dev(handle);
- result = acpi_bus_get_device(handle, &device);
- if (result)
- return result;
+ if (device)
+ return acpi_device_set_power(device, state);
- return acpi_device_set_power(device, state);
+ return -ENODEV;
}
EXPORT_SYMBOL(acpi_bus_set_power);
@@ -410,21 +408,20 @@ EXPORT_SYMBOL_GPL(acpi_device_update_power);
int acpi_bus_update_power(acpi_handle handle, int *state_p)
{
- struct acpi_device *device;
- int result;
+ struct acpi_device *device = acpi_fetch_acpi_dev(handle);
- result = acpi_bus_get_device(handle, &device);
- return result ? result : acpi_device_update_power(device, state_p);
+ if (device)
+ return acpi_device_update_power(device, state_p);
+
+ return -ENODEV;
}
EXPORT_SYMBOL_GPL(acpi_bus_update_power);
bool acpi_bus_power_manageable(acpi_handle handle)
{
- struct acpi_device *device;
- int result;
+ struct acpi_device *device = acpi_fetch_acpi_dev(handle);
- result = acpi_bus_get_device(handle, &device);
- return result ? false : device->flags.power_manageable;
+ return device && device->flags.power_manageable;
}
EXPORT_SYMBOL(acpi_bus_power_manageable);
@@ -543,11 +540,9 @@ acpi_status acpi_remove_pm_notifier(struct acpi_device *adev)
bool acpi_bus_can_wakeup(acpi_handle handle)
{
- struct acpi_device *device;
- int result;
+ struct acpi_device *device = acpi_fetch_acpi_dev(handle);
- result = acpi_bus_get_device(handle, &device);
- return result ? false : device->wakeup.flags.valid;
+ return device && device->wakeup.flags.valid;
}
EXPORT_SYMBOL(acpi_bus_can_wakeup);
diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
index c8e9b962e18c..a89bdbe00184 100644
--- a/drivers/acpi/dock.c
+++ b/drivers/acpi/dock.c
@@ -489,9 +489,8 @@ static ssize_t docked_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct dock_station *dock_station = dev->platform_data;
- struct acpi_device *adev = NULL;
+ struct acpi_device *adev = acpi_fetch_acpi_dev(dock_station->handle);
- acpi_bus_get_device(dock_station->handle, &adev);
return sysfs_emit(buf, "%u\n", acpi_device_enumerated(adev));
}
static DEVICE_ATTR_RO(docked);
diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c
index cb7b900d9466..d54fb8e54671 100644
--- a/drivers/acpi/pci_link.c
+++ b/drivers/acpi/pci_link.c
@@ -606,12 +606,10 @@ static int acpi_pci_link_allocate(struct acpi_pci_link *link)
int acpi_pci_link_allocate_irq(acpi_handle handle, int index, int *triggering,
int *polarity, char **name)
{
- int result;
- struct acpi_device *device;
+ struct acpi_device *device = acpi_fetch_acpi_dev(handle);
struct acpi_pci_link *link;
- result = acpi_bus_get_device(handle, &device);
- if (result) {
+ if (!device) {
acpi_handle_err(handle, "Invalid link device\n");
return -1;
}
@@ -658,12 +656,10 @@ int acpi_pci_link_allocate_irq(acpi_handle handle, int index, int *triggering,
*/
int acpi_pci_link_free_irq(acpi_handle handle)
{
- struct acpi_device *device;
+ struct acpi_device *device = acpi_fetch_acpi_dev(handle);
struct acpi_pci_link *link;
- acpi_status result;
- result = acpi_bus_get_device(handle, &device);
- if (result) {
+ if (!device) {
acpi_handle_err(handle, "Invalid link device\n");
return -1;
}
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index ab2f7dfb0c44..41a8fef06534 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -67,11 +67,10 @@ static struct acpi_scan_handler pci_root_handler = {
*/
int acpi_is_root_bridge(acpi_handle handle)
{
+ struct acpi_device *device = acpi_fetch_acpi_dev(handle);
int ret;
- struct acpi_device *device;
- ret = acpi_bus_get_device(handle, &device);
- if (ret)
+ if (!device)
return 0;
ret = acpi_match_device_ids(device, root_device_ids);
@@ -215,11 +214,10 @@ static acpi_status acpi_pci_query_osc(struct acpi_pci_root *root,
struct acpi_pci_root *acpi_pci_find_root(acpi_handle handle)
{
+ struct acpi_device *device = acpi_fetch_acpi_dev(handle);
struct acpi_pci_root *root;
- struct acpi_device *device;
- if (acpi_bus_get_device(handle, &device) ||
- acpi_match_device_ids(device, root_device_ids))
+ if (!device || acpi_match_device_ids(device, root_device_ids))
return NULL;
root = acpi_driver_data(device);
diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index 5dcb02ededbc..7e50bbfff1e0 100644
--- a/drivers/acpi/power.c
+++ b/drivers/acpi/power.c
@@ -81,9 +81,9 @@ struct acpi_power_resource *to_power_resource(struct acpi_device *device)
static struct acpi_power_resource *acpi_power_get_context(acpi_handle handle)
{
- struct acpi_device *device;
+ struct acpi_device *device = acpi_fetch_acpi_dev(handle);
- if (acpi_bus_get_device(handle, &device))
+ if (!device)
return NULL;
return to_power_resource(device);
@@ -916,15 +916,14 @@ static void acpi_power_add_resource_to_list(struct acpi_power_resource *resource
struct acpi_device *acpi_add_power_resource(acpi_handle handle)
{
+ struct acpi_device *device = acpi_fetch_acpi_dev(handle);
struct acpi_power_resource *resource;
- struct acpi_device *device = NULL;
union acpi_object acpi_object;
struct acpi_buffer buffer = { sizeof(acpi_object), &acpi_object };
acpi_status status;
u8 state_dummy;
int result;
- acpi_bus_get_device(handle, &device);
if (device)
return device;
diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c
index 77541f939be3..368a9edefd0c 100644
--- a/drivers/acpi/processor_driver.c
+++ b/drivers/acpi/processor_driver.c
@@ -98,8 +98,13 @@ static int acpi_soft_cpu_online(unsigned int cpu)
struct acpi_processor *pr = per_cpu(processors, cpu);
struct acpi_device *device;
- if (!pr || acpi_bus_get_device(pr->handle, &device))
+ if (!pr)
+ return 0;
+
+ device = acpi_fetch_acpi_dev(pr->handle);
+ if (!device)
return 0;
+
/*
* CPU got physically hotplugged and onlined for the first time:
* Initialize missing things.
@@ -125,9 +130,8 @@ static int acpi_soft_cpu_online(unsigned int cpu)
static int acpi_soft_cpu_dead(unsigned int cpu)
{
struct acpi_processor *pr = per_cpu(processors, cpu);
- struct acpi_device *device;
- if (!pr || acpi_bus_get_device(pr->handle, &device))
+ if (!pr || !acpi_fetch_acpi_dev(pr->handle))
return 0;
acpi_processor_reevaluate_tstate(pr, true);
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 76ef1bcc8848..ef17b95e5f37 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -1101,7 +1101,7 @@ static int acpi_processor_get_lpi_info(struct acpi_processor *pr)
status = acpi_get_parent(handle, &pr_ahandle);
while (ACPI_SUCCESS(status)) {
- acpi_bus_get_device(pr_ahandle, &d);
+ d = acpi_fetch_acpi_dev(pr_ahandle);
handle = pr_ahandle;
if (strcmp(acpi_device_hid(d), ACPI_PROCESSOR_CONTAINER_HID))
diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c
index e312ebaed8db..86987f903eb1 100644
--- a/drivers/acpi/property.c
+++ b/drivers/acpi/property.c
@@ -687,9 +687,9 @@ int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
if (index)
return -EINVAL;
- ret = acpi_bus_get_device(obj->reference.handle, &device);
- if (ret)
- return ret == -ENODEV ? -EINVAL : ret;
+ device = acpi_fetch_acpi_dev(obj->reference.handle);
+ if (!device)
+ return -EINVAL;
args->fwnode = acpi_fwnode_handle(device);
args->nargs = 0;
@@ -719,9 +719,8 @@ int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
if (element->type == ACPI_TYPE_LOCAL_REFERENCE) {
struct fwnode_handle *ref_fwnode;
- ret = acpi_bus_get_device(element->reference.handle,
- &device);
- if (ret)
+ device = acpi_fetch_acpi_dev(element->reference.handle);
+ if (!device)
return -EINVAL;
nargs = 0;
diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
index 3c25ce8c95ba..c2d494784425 100644
--- a/drivers/acpi/resource.c
+++ b/drivers/acpi/resource.c
@@ -791,9 +791,9 @@ static acpi_status acpi_res_consumer_cb(acpi_handle handle, u32 depth,
{
struct resource *res = context;
struct acpi_device **consumer = (struct acpi_device **) ret;
- struct acpi_device *adev;
+ struct acpi_device *adev = acpi_fetch_acpi_dev(handle);
- if (acpi_bus_get_device(handle, &adev))
+ if (!adev)
return AE_OK;
if (acpi_dev_consumes_res(adev, res)) {
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 95105db642b9..75cda1315235 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -697,7 +697,6 @@ static int acpi_thermal_cooling_device_cb(struct thermal_zone_device *thermal,
struct acpi_device *device = cdev->devdata;
struct acpi_thermal *tz = thermal->devdata;
struct acpi_device *dev;
- acpi_status status;
acpi_handle handle;
int i;
int j;
@@ -715,8 +714,8 @@ static int acpi_thermal_cooling_device_cb(struct thermal_zone_device *thermal,
for (i = 0; i < tz->trips.passive.devices.count;
i++) {
handle = tz->trips.passive.devices.handles[i];
- status = acpi_bus_get_device(handle, &dev);
- if (ACPI_FAILURE(status) || dev != device)
+ dev = acpi_fetch_acpi_dev(handle);
+ if (dev != device)
continue;
if (bind)
result =
@@ -741,8 +740,8 @@ static int acpi_thermal_cooling_device_cb(struct thermal_zone_device *thermal,
j < tz->trips.active[i].devices.count;
j++) {
handle = tz->trips.active[i].devices.handles[j];
- status = acpi_bus_get_device(handle, &dev);
- if (ACPI_FAILURE(status) || dev != device)
+ dev = acpi_fetch_acpi_dev(handle);
+ if (dev != device)
continue;
if (bind)
result = thermal_zone_bind_cooling_device
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index 068e393ea0c6..4f64713e9917 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -59,18 +59,16 @@ static void acpi_video_parse_cmdline(void)
static acpi_status
find_video(acpi_handle handle, u32 lvl, void *context, void **rv)
{
+ struct acpi_device *acpi_dev = acpi_fetch_acpi_dev(handle);
long *cap = context;
struct pci_dev *dev;
- struct acpi_device *acpi_dev;
static const struct acpi_device_id video_ids[] = {
{ACPI_VIDEO_HID, 0},
{"", 0},
};
- if (acpi_bus_get_device(handle, &acpi_dev))
- return AE_OK;
- if (!acpi_match_device_ids(acpi_dev, video_ids)) {
+ if (acpi_dev && !acpi_match_device_ids(acpi_dev, video_ids)) {
dev = acpi_get_pci_dev(handle);
if (!dev)
return AE_OK;
diff --git a/drivers/acpi/x86/s2idle.c b/drivers/acpi/x86/s2idle.c
index 1c48358b43ba..abc06e7f89d8 100644
--- a/drivers/acpi/x86/s2idle.c
+++ b/drivers/acpi/x86/s2idle.c
@@ -293,9 +293,9 @@ static void lpi_check_constraints(void)
for (i = 0; i < lpi_constraints_table_size; ++i) {
acpi_handle handle = lpi_constraints_table[i].handle;
- struct acpi_device *adev;
+ struct acpi_device *adev = acpi_fetch_acpi_dev(handle);
- if (!handle || acpi_bus_get_device(handle, &adev))
+ if (!adev)
continue;
acpi_handle_debug(handle,
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-22 16:59:58 +0300