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authorHans de Goede <hdegoede@redhat.com>2019-10-26 22:24:36 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2019-10-28 15:40:26 +0100
commite346d0cf2c0a2dc9e63d5b90824bbe5ac0cc43e2 (patch)
treef2b865869949f29afa682bfb41471f53ceac010e /drivers/acpi
parent00e250367cc6c4ab80fea6ec605d464e624bd520 (diff)
ACPI: button: Remove unused acpi_lid_notifier_[un]register() functions
There are no users of the acpi_lid_notifier_[un]register functions, so lets remove them. Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/button.c27
1 files changed, 1 insertions, 26 deletions
diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c
index a090e9542d82..d27b01c0323d 100644
--- a/drivers/acpi/button.c
+++ b/drivers/acpi/button.c
@@ -147,7 +147,6 @@ struct acpi_button {
bool suspended;
};
-static BLOCKING_NOTIFIER_HEAD(acpi_lid_notifier);
static struct acpi_device *lid_device;
static long lid_init_state = -1;
@@ -177,7 +176,6 @@ static int acpi_lid_evaluate_state(struct acpi_device *device)
static int acpi_lid_notify_state(struct acpi_device *device, int state)
{
struct acpi_button *button = acpi_driver_data(device);
- int ret;
ktime_t next_report;
bool do_update;
@@ -254,18 +252,7 @@ static int acpi_lid_notify_state(struct acpi_device *device, int state)
button->last_time = ktime_get();
}
- ret = blocking_notifier_call_chain(&acpi_lid_notifier, state, device);
- if (ret == NOTIFY_DONE)
- ret = blocking_notifier_call_chain(&acpi_lid_notifier, state,
- device);
- if (ret == NOTIFY_DONE || ret == NOTIFY_OK) {
- /*
- * It is also regarded as success if the notifier_chain
- * returns NOTIFY_OK or NOTIFY_DONE.
- */
- ret = 0;
- }
- return ret;
+ return 0;
}
static int __maybe_unused acpi_button_state_seq_show(struct seq_file *seq,
@@ -362,18 +349,6 @@ static int acpi_button_remove_fs(struct acpi_device *device)
/* --------------------------------------------------------------------------
Driver Interface
-------------------------------------------------------------------------- */
-int acpi_lid_notifier_register(struct notifier_block *nb)
-{
- return blocking_notifier_chain_register(&acpi_lid_notifier, nb);
-}
-EXPORT_SYMBOL(acpi_lid_notifier_register);
-
-int acpi_lid_notifier_unregister(struct notifier_block *nb)
-{
- return blocking_notifier_chain_unregister(&acpi_lid_notifier, nb);
-}
-EXPORT_SYMBOL(acpi_lid_notifier_unregister);
-
int acpi_lid_open(void)
{
if (!lid_device)