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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>
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@ -147,7 +147,6 @@ struct acpi_button {
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bool suspended;
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bool suspended;
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};
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};
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static BLOCKING_NOTIFIER_HEAD(acpi_lid_notifier);
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static struct acpi_device *lid_device;
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static struct acpi_device *lid_device;
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static long lid_init_state = -1;
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static long lid_init_state = -1;
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@ -177,7 +176,6 @@ static int acpi_lid_evaluate_state(struct acpi_device *device)
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static int acpi_lid_notify_state(struct acpi_device *device, int state)
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static int acpi_lid_notify_state(struct acpi_device *device, int state)
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{
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{
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struct acpi_button *button = acpi_driver_data(device);
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struct acpi_button *button = acpi_driver_data(device);
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int ret;
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ktime_t next_report;
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ktime_t next_report;
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bool do_update;
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bool do_update;
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@ -254,18 +252,7 @@ static int acpi_lid_notify_state(struct acpi_device *device, int state)
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button->last_time = ktime_get();
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button->last_time = ktime_get();
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}
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}
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ret = blocking_notifier_call_chain(&acpi_lid_notifier, state, device);
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return 0;
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if (ret == NOTIFY_DONE)
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ret = blocking_notifier_call_chain(&acpi_lid_notifier, state,
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device);
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if (ret == NOTIFY_DONE || ret == NOTIFY_OK) {
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/*
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* It is also regarded as success if the notifier_chain
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* returns NOTIFY_OK or NOTIFY_DONE.
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*/
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ret = 0;
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}
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return ret;
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}
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}
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static int __maybe_unused acpi_button_state_seq_show(struct seq_file *seq,
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static int __maybe_unused acpi_button_state_seq_show(struct seq_file *seq,
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@ -362,18 +349,6 @@ static int acpi_button_remove_fs(struct acpi_device *device)
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/* --------------------------------------------------------------------------
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/* --------------------------------------------------------------------------
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Driver Interface
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Driver Interface
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-------------------------------------------------------------------------- */
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-------------------------------------------------------------------------- */
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int acpi_lid_notifier_register(struct notifier_block *nb)
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{
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return blocking_notifier_chain_register(&acpi_lid_notifier, nb);
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}
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EXPORT_SYMBOL(acpi_lid_notifier_register);
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int acpi_lid_notifier_unregister(struct notifier_block *nb)
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{
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return blocking_notifier_chain_unregister(&acpi_lid_notifier, nb);
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}
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EXPORT_SYMBOL(acpi_lid_notifier_unregister);
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int acpi_lid_open(void)
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int acpi_lid_open(void)
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{
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{
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if (!lid_device)
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if (!lid_device)
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@ -2,21 +2,9 @@
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#ifndef ACPI_BUTTON_H
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#ifndef ACPI_BUTTON_H
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#define ACPI_BUTTON_H
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#define ACPI_BUTTON_H
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#include <linux/notifier.h>
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#if IS_ENABLED(CONFIG_ACPI_BUTTON)
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#if IS_ENABLED(CONFIG_ACPI_BUTTON)
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extern int acpi_lid_notifier_register(struct notifier_block *nb);
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extern int acpi_lid_notifier_unregister(struct notifier_block *nb);
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extern int acpi_lid_open(void);
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extern int acpi_lid_open(void);
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#else
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#else
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static inline int acpi_lid_notifier_register(struct notifier_block *nb)
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{
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return 0;
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}
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static inline int acpi_lid_notifier_unregister(struct notifier_block *nb)
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{
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return 0;
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}
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static inline int acpi_lid_open(void)
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static inline int acpi_lid_open(void)
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{
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{
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return 1;
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return 1;
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