linux-stable/drivers/cpuidle/dt_idle_genpd.h
Anup Patel 9d976d6721
cpuidle: Factor-out power domain related code from PSCI domain driver
The generic power domain related code in PSCI domain driver is largely
independent of PSCI and can be shared with RISC-V SBI domain driver
hence we factor-out this code into dt_idle_genpd.c and dt_idle_genpd.h.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2022-03-10 09:29:44 -08:00

50 lines
990 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __DT_IDLE_GENPD
#define __DT_IDLE_GENPD
struct device_node;
struct generic_pm_domain;
#ifdef CONFIG_DT_IDLE_GENPD
void dt_idle_pd_free(struct generic_pm_domain *pd);
struct generic_pm_domain *dt_idle_pd_alloc(struct device_node *np,
int (*parse_state)(struct device_node *, u32 *));
int dt_idle_pd_init_topology(struct device_node *np);
struct device *dt_idle_attach_cpu(int cpu, const char *name);
void dt_idle_detach_cpu(struct device *dev);
#else
static inline void dt_idle_pd_free(struct generic_pm_domain *pd)
{
}
static inline struct generic_pm_domain *dt_idle_pd_alloc(
struct device_node *np,
int (*parse_state)(struct device_node *, u32 *))
{
return NULL;
}
static inline int dt_idle_pd_init_topology(struct device_node *np)
{
return 0;
}
static inline struct device *dt_idle_attach_cpu(int cpu, const char *name)
{
return NULL;
}
static inline void dt_idle_detach_cpu(struct device *dev)
{
}
#endif
#endif