diff options
Diffstat (limited to 'drivers/ptp/ptp_clock.c')
| -rw-r--r-- | drivers/ptp/ptp_clock.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/ptp/ptp_clock.c b/drivers/ptp/ptp_clock.c index ac1f2bf9e888..acabbe72e55e 100644 --- a/drivers/ptp/ptp_clock.c +++ b/drivers/ptp/ptp_clock.c @@ -348,7 +348,6 @@ int ptp_find_pin(struct ptp_clock *ptp, struct ptp_pin_desc *pin = NULL; int i; - mutex_lock(&ptp->pincfg_mux); for (i = 0; i < ptp->info->n_pins; i++) { if (ptp->info->pin_config[i].func == func && ptp->info->pin_config[i].chan == chan) { @@ -356,12 +355,26 @@ int ptp_find_pin(struct ptp_clock *ptp, break; } } - mutex_unlock(&ptp->pincfg_mux); return pin ? i : -1; } EXPORT_SYMBOL(ptp_find_pin); +int ptp_find_pin_unlocked(struct ptp_clock *ptp, + enum ptp_pin_function func, unsigned int chan) +{ + int result; + + mutex_lock(&ptp->pincfg_mux); + + result = ptp_find_pin(ptp, func, chan); + + mutex_unlock(&ptp->pincfg_mux); + + return result; +} +EXPORT_SYMBOL(ptp_find_pin_unlocked); + int ptp_schedule_worker(struct ptp_clock *ptp, unsigned long delay) { return kthread_mod_delayed_work(ptp->kworker, &ptp->aux_work, delay); |