On Wed, Mar 5, 2025 at 11:01 PM Mario Limonciello <superm1@xxxxxxxxxx> wrote: > > From: Mario Limonciello <mario.limonciello@xxxxxxx> > > acpi_register_lps0_dev() and acpi_unregister_lps0_dev() may be used > in drivers that don't require CONFIG_SUSPEND or compile on !X86. > > Add prototypes for those cases. > > Reported-by: kernel test robot <lkp@xxxxxxxxx> > Closes: https://lore.kernel.org/oe-kbuild-all/202502191627.fRgoBwcZ-lkp@xxxxxxxxx/ > Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx> > --- > v3: > * Add struct acpi_s2idle_dev_ops outside defines too > --- > include/linux/acpi.h | 9 ++++++++- > 1 file changed, 8 insertions(+), 1 deletion(-) > > diff --git a/include/linux/acpi.h b/include/linux/acpi.h > index 4e495b29c640f..8d2abe5dede93 100644 > --- a/include/linux/acpi.h > +++ b/include/linux/acpi.h > @@ -1115,13 +1115,13 @@ void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state, > > acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state, > u32 val_a, u32 val_b); > -#if defined(CONFIG_SUSPEND) && defined(CONFIG_X86) > struct acpi_s2idle_dev_ops { > struct list_head list_node; > void (*prepare)(void); > void (*check)(void); > void (*restore)(void); > }; > +#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); > @@ -1130,6 +1130,13 @@ 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; > +} > +static inline void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg) > +{ > +} > #endif /* CONFIG_SUSPEND && CONFIG_X86 */ > void arch_reserve_mem_area(acpi_physical_address addr, size_t size); > #else > -- Applied as 6.15 material, thanks!