summaryrefslogtreecommitdiff
path: root/drivers/acpi
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/ac.c6
-rw-r--r--drivers/acpi/acpi_pad.c6
-rw-r--r--drivers/acpi/acpi_tad.c6
-rw-r--r--drivers/acpi/battery.c10
-rw-r--r--drivers/acpi/button.c9
-rw-r--r--drivers/acpi/ec.c6
-rw-r--r--drivers/acpi/hed.c6
-rw-r--r--drivers/acpi/nfit/core.c6
-rw-r--r--drivers/acpi/pfr_telemetry.c6
-rw-r--r--drivers/acpi/pfr_update.c6
-rw-r--r--drivers/acpi/sbs.c6
-rw-r--r--drivers/acpi/sbshc.c6
-rw-r--r--drivers/acpi/thermal.c2
-rw-r--r--drivers/acpi/tiny-power-button.c6
14 files changed, 71 insertions, 16 deletions
diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
index c5d77c3cb4bc..56783af6239b 100644
--- a/drivers/acpi/ac.c
+++ b/drivers/acpi/ac.c
@@ -203,11 +203,15 @@ static const struct dmi_system_id ac_dmi_table[] __initconst = {
static int acpi_ac_probe(struct platform_device *pdev)
{
- struct acpi_device *adev = ACPI_COMPANION(&pdev->dev);
struct power_supply_config psy_cfg = {};
+ struct acpi_device *adev;
struct acpi_ac *ac;
int result;
+ adev = ACPI_COMPANION(&pdev->dev);
+ if (!adev)
+ return -ENODEV;
+
ac = kzalloc_obj(struct acpi_ac);
if (!ac)
return -ENOMEM;
diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c
index c9a0bcaba2e4..dea7b2b4e544 100644
--- a/drivers/acpi/acpi_pad.c
+++ b/drivers/acpi/acpi_pad.c
@@ -426,9 +426,13 @@ static void acpi_pad_notify(acpi_handle handle, u32 event,
static int acpi_pad_probe(struct platform_device *pdev)
{
- struct acpi_device *adev = ACPI_COMPANION(&pdev->dev);
+ struct acpi_device *adev;
acpi_status status;
+ adev = ACPI_COMPANION(&pdev->dev);
+ if (!adev)
+ return -ENODEV;
+
strscpy(acpi_device_name(adev), ACPI_PROCESSOR_AGGREGATOR_DEVICE_NAME);
strscpy(acpi_device_class(adev), ACPI_PROCESSOR_AGGREGATOR_CLASS);
diff --git a/drivers/acpi/acpi_tad.c b/drivers/acpi/acpi_tad.c
index 6d870d97ada6..49e0710ac5ca 100644
--- a/drivers/acpi/acpi_tad.c
+++ b/drivers/acpi/acpi_tad.c
@@ -593,12 +593,16 @@ static void acpi_tad_remove(struct platform_device *pdev)
static int acpi_tad_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
- acpi_handle handle = ACPI_HANDLE(dev);
struct acpi_tad_driver_data *dd;
+ acpi_handle handle;
acpi_status status;
unsigned long long caps;
int ret;
+ handle = ACPI_HANDLE(dev);
+ if (!handle)
+ return -ENODEV;
+
ret = acpi_install_cmos_rtc_space_handler(handle);
if (ret < 0) {
dev_info(dev, "Unable to install space handler\n");
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 8fbad8bc4650..8a60e5f42cd7 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -96,6 +96,7 @@ struct acpi_battery {
struct power_supply *bat;
struct power_supply_desc bat_desc;
struct acpi_device *device;
+ struct device *phys_dev;
struct notifier_block pm_nb;
struct list_head list;
unsigned long update_time;
@@ -1035,7 +1036,7 @@ static int acpi_battery_update(struct acpi_battery *battery, bool resume)
if ((battery->state & ACPI_BATTERY_STATE_CRITICAL) ||
(test_bit(ACPI_BATTERY_ALARM_PRESENT, &battery->flags) &&
(battery->capacity_now <= battery->alarm)))
- acpi_pm_wakeup_event(&battery->device->dev);
+ acpi_pm_wakeup_event(battery->phys_dev);
return result;
}
@@ -1215,10 +1216,14 @@ static void sysfs_battery_cleanup(struct acpi_battery *battery)
static int acpi_battery_probe(struct platform_device *pdev)
{
- struct acpi_device *device = ACPI_COMPANION(&pdev->dev);
struct acpi_battery *battery;
+ struct acpi_device *device;
int result;
+ device = ACPI_COMPANION(&pdev->dev);
+ if (!device)
+ return -ENODEV;
+
if (device->dep_unmet)
return -EPROBE_DEFER;
@@ -1228,6 +1233,7 @@ static int acpi_battery_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, battery);
+ battery->phys_dev = &pdev->dev;
battery->device = device;
strscpy(acpi_device_name(device), ACPI_BATTERY_DEVICE_NAME);
strscpy(acpi_device_class(device), ACPI_BATTERY_CLASS);
diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c
index 97b05246efab..ff30f993b150 100644
--- a/drivers/acpi/button.c
+++ b/drivers/acpi/button.c
@@ -531,15 +531,20 @@ static int acpi_lid_input_open(struct input_dev *input)
static int acpi_button_probe(struct platform_device *pdev)
{
- struct acpi_device *device = ACPI_COMPANION(&pdev->dev);
acpi_notify_handler handler;
+ struct acpi_device *device;
struct acpi_button *button;
struct input_dev *input;
- const char *hid = acpi_device_hid(device);
acpi_status status;
char *name, *class;
+ const char *hid;
int error = 0;
+ device = ACPI_COMPANION(&pdev->dev);
+ if (!device)
+ return -ENODEV;
+
+ hid = acpi_device_hid(device);
if (!strcmp(hid, ACPI_BUTTON_HID_LID) &&
lid_init_state == ACPI_BUTTON_LID_INIT_DISABLED)
return -ENODEV;
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 6f0065257a77..2d94bae5c4d1 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -1679,10 +1679,14 @@ static int acpi_ec_setup(struct acpi_ec *ec, struct acpi_device *device, bool ca
static int acpi_ec_probe(struct platform_device *pdev)
{
- struct acpi_device *device = ACPI_COMPANION(&pdev->dev);
+ struct acpi_device *device;
struct acpi_ec *ec;
int ret;
+ device = ACPI_COMPANION(&pdev->dev);
+ if (!device)
+ return -ENODEV;
+
strscpy(acpi_device_name(device), ACPI_EC_DEVICE_NAME);
strscpy(acpi_device_class(device), ACPI_EC_CLASS);
diff --git a/drivers/acpi/hed.c b/drivers/acpi/hed.c
index 4d5e12ed6f3c..060e8d670f5d 100644
--- a/drivers/acpi/hed.c
+++ b/drivers/acpi/hed.c
@@ -50,9 +50,13 @@ static void acpi_hed_notify(acpi_handle handle, u32 event, void *data)
static int acpi_hed_probe(struct platform_device *pdev)
{
- struct acpi_device *device = ACPI_COMPANION(&pdev->dev);
+ struct acpi_device *device;
int err;
+ device = ACPI_COMPANION(&pdev->dev);
+ if (!device)
+ return -ENODEV;
+
/* Only one hardware error device */
if (hed_handle)
return -EINVAL;
diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c
index d13264fb9e02..9304ac996d41 100644
--- a/drivers/acpi/nfit/core.c
+++ b/drivers/acpi/nfit/core.c
@@ -3341,12 +3341,16 @@ static int acpi_nfit_probe(struct platform_device *pdev)
struct acpi_buffer buf = { ACPI_ALLOCATE_BUFFER, NULL };
struct acpi_nfit_desc *acpi_desc;
struct device *dev = &pdev->dev;
- struct acpi_device *adev = ACPI_COMPANION(dev);
struct acpi_table_header *tbl;
+ struct acpi_device *adev;
acpi_status status = AE_OK;
acpi_size sz;
int rc = 0;
+ adev = ACPI_COMPANION(&pdev->dev);
+ if (!adev)
+ return -ENODEV;
+
rc = acpi_dev_install_notify_handler(adev, ACPI_DEVICE_NOTIFY,
acpi_nfit_notify, dev);
if (rc)
diff --git a/drivers/acpi/pfr_telemetry.c b/drivers/acpi/pfr_telemetry.c
index 32bdf8cbe8f2..2387376832a1 100644
--- a/drivers/acpi/pfr_telemetry.c
+++ b/drivers/acpi/pfr_telemetry.c
@@ -360,10 +360,14 @@ static void pfrt_log_put_idx(void *data)
static int acpi_pfrt_log_probe(struct platform_device *pdev)
{
- acpi_handle handle = ACPI_HANDLE(&pdev->dev);
struct pfrt_log_device *pfrt_log_dev;
+ acpi_handle handle;
int ret;
+ handle = ACPI_HANDLE(&pdev->dev);
+ if (!handle)
+ return -ENODEV;
+
if (!acpi_has_method(handle, "_DSM")) {
dev_dbg(&pdev->dev, "Missing _DSM\n");
return -ENODEV;
diff --git a/drivers/acpi/pfr_update.c b/drivers/acpi/pfr_update.c
index 11b1c2828005..6283105bb0e8 100644
--- a/drivers/acpi/pfr_update.c
+++ b/drivers/acpi/pfr_update.c
@@ -538,10 +538,14 @@ static void pfru_put_idx(void *data)
static int acpi_pfru_probe(struct platform_device *pdev)
{
- acpi_handle handle = ACPI_HANDLE(&pdev->dev);
struct pfru_device *pfru_dev;
+ acpi_handle handle;
int ret;
+ handle = ACPI_HANDLE(&pdev->dev);
+ if (!handle)
+ return -ENODEV;
+
if (!acpi_has_method(handle, "_DSM")) {
dev_dbg(&pdev->dev, "Missing _DSM\n");
return -ENODEV;
diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c
index bbd3938f7b52..e32d424ff3e1 100644
--- a/drivers/acpi/sbs.c
+++ b/drivers/acpi/sbs.c
@@ -631,11 +631,15 @@ static void acpi_sbs_callback(void *context)
static int acpi_sbs_probe(struct platform_device *pdev)
{
- struct acpi_device *device = ACPI_COMPANION(&pdev->dev);
+ struct acpi_device *device;
struct acpi_sbs *sbs;
int result = 0;
int id;
+ device = ACPI_COMPANION(&pdev->dev);
+ if (!device)
+ return -ENODEV;
+
sbs = kzalloc_obj(struct acpi_sbs);
if (!sbs) {
result = -ENOMEM;
diff --git a/drivers/acpi/sbshc.c b/drivers/acpi/sbshc.c
index 36850831910b..4b2a3ef83573 100644
--- a/drivers/acpi/sbshc.c
+++ b/drivers/acpi/sbshc.c
@@ -240,11 +240,15 @@ static int smbus_alarm(void *context)
static int acpi_smbus_hc_probe(struct platform_device *pdev)
{
- struct acpi_device *device = ACPI_COMPANION(&pdev->dev);
+ struct acpi_device *device;
int status;
unsigned long long val;
struct acpi_smb_hc *hc;
+ device = ACPI_COMPANION(&pdev->dev);
+ if (!device)
+ return -ENODEV;
+
status = acpi_evaluate_integer(device->handle, "_EC", NULL, &val);
if (ACPI_FAILURE(status)) {
pr_err("error obtaining _EC.\n");
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 64356b004a57..a7bb550a7185 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -790,7 +790,7 @@ static int acpi_thermal_probe(struct platform_device *pdev)
int i;
if (!device)
- return -EINVAL;
+ return -ENODEV;
tz = kzalloc_obj(struct acpi_thermal);
if (!tz)
diff --git a/drivers/acpi/tiny-power-button.c b/drivers/acpi/tiny-power-button.c
index 531e65b01bcb..92516ef84b02 100644
--- a/drivers/acpi/tiny-power-button.c
+++ b/drivers/acpi/tiny-power-button.c
@@ -38,9 +38,13 @@ static u32 acpi_tiny_power_button_event(void *not_used)
static int acpi_tiny_power_button_probe(struct platform_device *pdev)
{
- struct acpi_device *device = ACPI_COMPANION(&pdev->dev);
+ struct acpi_device *device;
acpi_status status;
+ device = ACPI_COMPANION(&pdev->dev);
+ if (!device)
+ return -ENODEV;
+
if (device->device_type == ACPI_BUS_TYPE_POWER_BUTTON) {
status = acpi_install_fixed_event_handler(ACPI_EVENT_POWER_BUTTON,
acpi_tiny_power_button_event,
generated by cgit v1.2.3 (git 2.25.1) at 2026-06-05 22:30:29 +0000