diff options
| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2022-06-13 20:38:00 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2022-07-01 21:20:12 +0200 |
| commit | e6bdbcc764af822ff7172a4a78d437dc433a0c74 (patch) | |
| tree | 3dabe1ec3a32e548b08cb64b677d11f946a7adf2 /drivers/acpi/scan.c | |
| parent | hisi_lpc: Use acpi_dev_for_each_child() (diff) | |
| download | linux-e6bdbcc764af822ff7172a4a78d437dc433a0c74.tar.xz linux-e6bdbcc764af822ff7172a4a78d437dc433a0c74.zip | |
ACPI: bus: Drop unused list heads from struct acpi_device
Drop the children and node list heads that have no more users
from struct acpi_device and the code manipulating them from
__acpi_device_add() and acpi_device_del().
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Diffstat (limited to 'drivers/acpi/scan.c')
| -rw-r--r-- | drivers/acpi/scan.c | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 7b085826d881..b100e6ca9bb4 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -465,8 +465,6 @@ static void acpi_device_del(struct acpi_device *device) struct acpi_device_bus_id *acpi_device_bus_id; mutex_lock(&acpi_device_lock); - if (device->parent) - list_del(&device->node); list_for_each_entry(acpi_device_bus_id, &acpi_bus_id_list, node) if (!strcmp(acpi_device_bus_id->bus_id, @@ -482,6 +480,7 @@ static void acpi_device_del(struct acpi_device *device) } list_del(&device->wakeup_list); + mutex_unlock(&acpi_device_lock); acpi_power_add_remove_device(device, false); @@ -674,8 +673,6 @@ static int __acpi_device_add(struct acpi_device *device, * ------- * Link this device to its parent and siblings. */ - INIT_LIST_HEAD(&device->children); - INIT_LIST_HEAD(&device->node); INIT_LIST_HEAD(&device->wakeup_list); INIT_LIST_HEAD(&device->physical_node_list); INIT_LIST_HEAD(&device->del_list); @@ -715,9 +712,6 @@ static int __acpi_device_add(struct acpi_device *device, list_add_tail(&acpi_device_bus_id->node, &acpi_bus_id_list); } - if (device->parent) - list_add_tail(&device->node, &device->parent->children); - if (device->wakeup.flags.valid) list_add_tail(&device->wakeup_list, &acpi_wakeup_device_list); @@ -746,9 +740,6 @@ static int __acpi_device_add(struct acpi_device *device, err: mutex_lock(&acpi_device_lock); - if (device->parent) - list_del(&device->node); - list_del(&device->wakeup_list); err_unlock: |