diff options
Diffstat (limited to 'drivers/pps/clients/pps-ktimer.c')
-rw-r--r-- | drivers/pps/clients/pps-ktimer.c | 44 |
1 files changed, 18 insertions, 26 deletions
diff --git a/drivers/pps/clients/pps-ktimer.c b/drivers/pps/clients/pps-ktimer.c index e7ef5b8186d..2728469d388 100644 --- a/drivers/pps/clients/pps-ktimer.c +++ b/drivers/pps/clients/pps-ktimer.c @@ -19,6 +19,7 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/kernel.h> #include <linux/module.h> @@ -31,7 +32,7 @@ * Global variables */ -static int source; +static struct pps_device *pps; static struct timer_list ktimer; /* @@ -40,19 +41,14 @@ static struct timer_list ktimer; static void pps_ktimer_event(unsigned long ptr) { - struct timespec __ts; - struct pps_ktime ts; + struct pps_event_time ts; /* First of all we get the time stamp... */ - getnstimeofday(&__ts); + pps_get_ts(&ts); - pr_info("PPS event at %lu\n", jiffies); + dev_info(pps->dev, "PPS event at %lu\n", jiffies); - /* ... and translate it to PPS time data struct */ - ts.sec = __ts.tv_sec; - ts.nsec = __ts.tv_nsec; - - pps_event(source, &ts, PPS_CAPTUREASSERT, NULL); + pps_event(pps, &ts, PPS_CAPTUREASSERT, NULL); mod_timer(&ktimer, jiffies + HZ); } @@ -61,12 +57,11 @@ static void pps_ktimer_event(unsigned long ptr) * The echo function */ -static void pps_ktimer_echo(int source, int event, void *data) +static void pps_ktimer_echo(struct pps_device *pps, int event, void *data) { - pr_info("echo %s %s for source %d\n", + dev_info(pps->dev, "echo %s %s\n", event & PPS_CAPTUREASSERT ? "assert" : "", - event & PPS_CAPTURECLEAR ? "clear" : "", - source); + event & PPS_CAPTURECLEAR ? "clear" : ""); } /* @@ -89,30 +84,27 @@ static struct pps_source_info pps_ktimer_info = { static void __exit pps_ktimer_exit(void) { - del_timer_sync(&ktimer); - pps_unregister_source(source); + dev_info(pps->dev, "ktimer PPS source unregistered\n"); - pr_info("ktimer PPS source unregistered\n"); + del_timer_sync(&ktimer); + pps_unregister_source(pps); } static int __init pps_ktimer_init(void) { - int ret; - - ret = pps_register_source(&pps_ktimer_info, + pps = pps_register_source(&pps_ktimer_info, PPS_CAPTUREASSERT | PPS_OFFSETASSERT); - if (ret < 0) { - printk(KERN_ERR "cannot register ktimer source\n"); - return ret; + if (pps == NULL) { + pr_err("cannot register PPS source\n"); + return -ENOMEM; } - source = ret; setup_timer(&ktimer, pps_ktimer_event, 0); mod_timer(&ktimer, jiffies + HZ); - pr_info("ktimer PPS source registered at %d\n", source); + dev_info(pps->dev, "ktimer PPS source registered\n"); - return 0; + return 0; } module_init(pps_ktimer_init); |