kernel-ark/arch/arm/include/asm/psci.h
Christoffer Dall d6d7a95c1b arm: Fix compile warning for psci
Commit e71246a23a changes psci_init from a
function returning a void to an int, but does not change the non
CONFIG_ARM_PSCI implementation to return a value, which causes a compile
warning.  Just return 0.

Cc: Ashwin Chaugule <ashwin.chaugule@linaro.org>
Cc: Shawn Guo <shawn.guo@freescale.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-05-27 15:58:49 +02:00

49 lines
1.4 KiB
C

/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* Copyright (C) 2012 ARM Limited
*/
#ifndef __ASM_ARM_PSCI_H
#define __ASM_ARM_PSCI_H
#define PSCI_POWER_STATE_TYPE_STANDBY 0
#define PSCI_POWER_STATE_TYPE_POWER_DOWN 1
struct psci_power_state {
u16 id;
u8 type;
u8 affinity_level;
};
struct psci_operations {
int (*cpu_suspend)(struct psci_power_state state,
unsigned long entry_point);
int (*cpu_off)(struct psci_power_state state);
int (*cpu_on)(unsigned long cpuid, unsigned long entry_point);
int (*migrate)(unsigned long cpuid);
int (*affinity_info)(unsigned long target_affinity,
unsigned long lowest_affinity_level);
int (*migrate_info_type)(void);
};
extern struct psci_operations psci_ops;
extern struct smp_operations psci_smp_ops;
#ifdef CONFIG_ARM_PSCI
int psci_init(void);
bool psci_smp_available(void);
#else
static inline int psci_init(void) { return 0; }
static inline bool psci_smp_available(void) { return false; }
#endif
#endif /* __ASM_ARM_PSCI_H */