drivers/cpuidle/dt_idle_genpd.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __DT_IDLE_GENPD
   3 #define __DT_IDLE_GENPD
   4
   5 struct device_node;
   6 struct generic_pm_domain;
   7
   8 #ifdef CONFIG_DT_IDLE_GENPD
   9
  10 void dt_idle_pd_free(struct generic_pm_domain *pd);
  11
  12 struct generic_pm_domain *dt_idle_pd_alloc(struct device_node *np,
  13                         int (*parse_state)(struct device_node *, u32 *));
  14
  15 int dt_idle_pd_init_topology(struct device_node *np);
  16
  17 int dt_idle_pd_remove_topology(struct device_node *np);
  18
  19 struct device *dt_idle_attach_cpu(int cpu, const char *name);
  20
  21 void dt_idle_detach_cpu(struct device *dev);
  22
  23 #else
  24
  25 static inline void dt_idle_pd_free(struct generic_pm_domain *pd)
  26 {
  27 }
  28
  29 static inline struct generic_pm_domain *dt_idle_pd_alloc(
  30                         struct device_node *np,
  31                         int (*parse_state)(struct device_node *, u32 *))
  32 {
  33         return NULL;
  34 }
  35
  36 static inline int dt_idle_pd_init_topology(struct device_node *np)
  37 {
  38         return 0;
  39 }
  40
  41 static inline int dt_idle_pd_remove_topology(struct device_node *np)
  42 {
  43         return 0;
  44 }
  45
  46 static inline struct device *dt_idle_attach_cpu(int cpu, const char *name)
  47 {
  48         return NULL;
  49 }
  50
  51 static inline void dt_idle_detach_cpu(struct device *dev)
  52 {
  53 }
  54
  55 #endif
  56
  57 #endif