diff options
| author | Jon Hunter <jon-hunter@ti.com> | 2013-04-01 14:33:50 -0500 |
|---|---|---|
| committer | Jon Hunter <jon-hunter@ti.com> | 2013-04-01 14:33:50 -0500 |
| commit | dca3a783400a18e2bf4503b1d4a85c4d0ca1a7e4 (patch) | |
| tree | a3689b801070c1360b120b7280c6adc4de5f692a /include/linux/pps_kernel.h | |
| parent | 71856843fb1d8ee455a4c1a60696c74afa4809e5 (diff) | |
| parent | 31d9adca82ce65e5c99d045b5fd917c702b6fce3 (diff) | |
Merge commit '31d9adca82ce65e5c99d045b5fd917c702b6fce3' into tmp
Conflicts:
arch/arm/plat-omap/dmtimer.c
Diffstat (limited to 'include/linux/pps_kernel.h')
| -rw-r--r-- | include/linux/pps_kernel.h | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/include/linux/pps_kernel.h b/include/linux/pps_kernel.h index 0cc45ae1afd5..7db3eb93a079 100644 --- a/include/linux/pps_kernel.h +++ b/include/linux/pps_kernel.h @@ -43,7 +43,7 @@ struct pps_source_info { int event, void *data); /* PPS echo function */ struct module *owner; - struct device *dev; + struct device *dev; /* Parent device for device_create */ }; struct pps_event_time { @@ -69,6 +69,7 @@ struct pps_device { wait_queue_head_t queue; /* PPS event queue */ unsigned int id; /* PPS source unique ID */ + void const *lookup_cookie; /* pps_lookup_dev only */ struct cdev cdev; struct device *dev; struct fasync_struct *async_queue; /* fasync method */ @@ -82,16 +83,26 @@ struct pps_device { extern struct device_attribute pps_attrs[]; /* + * Internal functions. + * + * These are not actually part of the exported API, but this is a + * convenient header file to put them in. + */ + +extern int pps_register_cdev(struct pps_device *pps); +extern void pps_unregister_cdev(struct pps_device *pps); + +/* * Exported functions */ extern struct pps_device *pps_register_source( struct pps_source_info *info, int default_params); extern void pps_unregister_source(struct pps_device *pps); -extern int pps_register_cdev(struct pps_device *pps); -extern void pps_unregister_cdev(struct pps_device *pps); extern void pps_event(struct pps_device *pps, struct pps_event_time *ts, int event, void *data); +/* Look up a pps device by magic cookie */ +struct pps_device *pps_lookup_dev(void const *cookie); static inline void timespec_to_pps_ktime(struct pps_ktime *kt, struct timespec ts) |