| Mark Brown | 1eb3e51 | 2014-05-09 17:24:17 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Based on the stubs for the ARM implementation which is: |
| 3 | * |
| 4 | * Created by: Nicolas Pitre, April 2012 |
| 5 | * Copyright: (C) 2012-2013 Linaro Limited |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License version 2 as |
| 9 | * published by the Free Software Foundation. |
| 10 | */ |
| 11 | |
| 12 | #ifndef ASM_BL_SWITCHER_H |
| 13 | #define ASM_BL_SWITCHER_H |
| 14 | |
| 15 | #include <linux/notifier.h> |
| 16 | #include <linux/types.h> |
| 17 | |
| 18 | typedef void (*bL_switch_completion_handler)(void *cookie); |
| 19 | |
| 20 | static inline int bL_switch_request(unsigned int cpu, |
| 21 | unsigned int new_cluster_id) |
| 22 | { |
| 23 | return -ENOTSUPP; |
| 24 | } |
| 25 | |
| 26 | /* |
| 27 | * Register here to be notified about runtime enabling/disabling of |
| 28 | * the switcher. |
| 29 | * |
| 30 | * The notifier chain is called with the switcher activation lock held: |
| 31 | * the switcher will not be enabled or disabled during callbacks. |
| 32 | * Callbacks must not call bL_switcher_{get,put}_enabled(). |
| 33 | */ |
| 34 | #define BL_NOTIFY_PRE_ENABLE 0 |
| 35 | #define BL_NOTIFY_POST_ENABLE 1 |
| 36 | #define BL_NOTIFY_PRE_DISABLE 2 |
| 37 | #define BL_NOTIFY_POST_DISABLE 3 |
| 38 | |
| 39 | static inline int bL_switcher_register_notifier(struct notifier_block *nb) |
| 40 | { |
| 41 | return 0; |
| 42 | } |
| 43 | |
| 44 | static inline int bL_switcher_unregister_notifier(struct notifier_block *nb) |
| 45 | { |
| 46 | return 0; |
| 47 | } |
| 48 | |
| 49 | static inline bool bL_switcher_get_enabled(void) { return false; } |
| 50 | static inline void bL_switcher_put_enabled(void) { } |
| 51 | static inline int bL_switcher_trace_trigger(void) { return 0; } |
| 52 | static inline int bL_switcher_get_logical_index(u32 mpidr) { return -EUNATCH; } |
| 53 | |
| 54 | #endif |