diff options
| author | Anson Huang <b20788@freescale.com> | 2015-09-18 23:55:00 +0800 |
|---|---|---|
| committer | Nitin Garg <nitin.garg@nxp.com> | 2016-01-14 11:01:44 -0600 |
| commit | d0a7d8845c932439be6b00d061f9eb1332a443d0 (patch) | |
| tree | ea3d24a6147c97fd75745dea96b56975e54bf7d4 /include | |
| parent | 2e74c862c9abe07bb4a8ecc7f8aa8102e76e2d7d (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>
(cherry picked from commit 5a2537095621da25c8967a0ccdbb8b0029e14c94)
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/imx_sema4.h | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/include/linux/imx_sema4.h b/include/linux/imx_sema4.h index 83f319f805e9..fe4808908f77 100644 --- a/include/linux/imx_sema4.h +++ b/include/linux/imx_sema4.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2014 Freescale Semiconductor, Inc. + * Copyright (C) 2014-2015 Freescale Semiconductor, Inc. * * 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 @@ -57,8 +57,27 @@ struct imx_sema4_mutex_device { 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__ */ |