diff options
| author | Anson Huang <b20788@freescale.com> | 2015-09-18 23:55:00 +0800 |
|---|---|---|
| committer | Anson Huang <b20788@freescale.com> | 2015-09-22 18:48:30 +0800 |
| commit | 5a2537095621da25c8967a0ccdbb8b0029e14c94 (patch) | |
| tree | cfa9efde9cb8d94938dca2d0ff5877e26638c2f8 /include | |
| parent | 06b8da5c28dc2fec0160bc60cc846d4910a05b41 (diff) | |
MLK-11566-5 drvier: imx_sema4: add dummy function
When CONFIG_IMX_SEMA4 is NOT set, some modules may
still call SEMA4 APIs, need to add dummy function
to make sure build pass.
Signed-off-by: Anson Huang <b20788@freescale.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/imx_sema4.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/linux/imx_sema4.h b/include/linux/imx_sema4.h index 2a259f6ac3c2..50421c6dff75 100644 --- a/include/linux/imx_sema4.h +++ b/include/linux/imx_sema4.h @@ -60,8 +60,27 @@ extern struct imx_sema4_mutex *mcc_shm_ptr; struct imx_sema4_mutex * imx_sema4_mutex_create(u32 dev_num, u32 mutex_num); +#ifdef CONFIG_IMX_SEMA4 int imx_sema4_mutex_destroy(struct imx_sema4_mutex *mutex_ptr); int imx_sema4_mutex_trylock(struct imx_sema4_mutex *mutex_ptr); int imx_sema4_mutex_lock(struct imx_sema4_mutex *mutex_ptr); int imx_sema4_mutex_unlock(struct imx_sema4_mutex *mutex_ptr); +#else +static inline int imx_sema4_mutex_destroy(struct imx_sema4_mutex *mutex_ptr) +{ + return 0; +} +static inline int imx_sema4_mutex_trylock(struct imx_sema4_mutex *mutex_ptr) +{ + return 0; +} +static inline int imx_sema4_mutex_lock(struct imx_sema4_mutex *mutex_ptr) +{ + return 0; +} +static inline int imx_sema4_mutex_unlock(struct imx_sema4_mutex *mutex_ptr) +{ + return 0; +} +#endif #endif /* __LINUX_IMX_SEMA4_H__ */ |