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ACPI: PM: s2idle: Drop acpi_get_lps0_constraint()

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Drop unused function acpi_get_lps0_constraint().

No functional impact.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Mario Limonciello (AMD) <superm1@kernel.org>
Link: https://patch.msgid.link/5032801.GXAFRqVoOG@rafael.j.wysocki
This commit is contained in:
Rafael J. Wysocki
2025-10-09 21:25:56 +02:00
parent 211ddde082
commit a00f3dea03
2 changed files with 0 additions and 29 deletions
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24
drivers/acpi/x86/s2idle.c
View File

@@ -299,30 +299,6 @@ free_acpi_buffer:
ACPI_FREE(out_obj);
}
/**
* acpi_get_lps0_constraint - Get the LPS0 constraint for a device.
* @adev: Device to get the constraint for.
*
* The LPS0 constraint is the shallowest (minimum) power state in which the
* device can be so as to allow the platform as a whole to achieve additional
* energy conservation by utilizing a system-wide low-power state.
*
* Returns:
* - ACPI power state value of the constraint for @adev on success.
* - Otherwise, ACPI_STATE_UNKNOWN.
*/
int acpi_get_lps0_constraint(struct acpi_device *adev)
{
struct lpi_constraints *entry;
for_each_lpi_constraint(entry) {
if (adev->handle == entry->handle)
return entry->min_dstate;
}
return ACPI_STATE_UNKNOWN;
}
static void lpi_check_constraints(void)
{
struct lpi_constraints *entry;

5
include/linux/acpi.h
View File

@@ -1146,12 +1146,7 @@ struct acpi_s2idle_dev_ops {
#if defined(CONFIG_SUSPEND) && defined(CONFIG_X86)
int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg);
void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg);
int acpi_get_lps0_constraint(struct acpi_device *adev);
#else /* CONFIG_SUSPEND && CONFIG_X86 */
static inline int acpi_get_lps0_constraint(struct device *dev)
{
return ACPI_STATE_UNKNOWN;
}
static inline int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg)
{
return -ENODEV;