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path: root/drivers/pps/clients/pps-ktimer.c
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Diffstat (limited to 'drivers/pps/clients/pps-ktimer.c')
-rw-r--r--drivers/pps/clients/pps-ktimer.c44
1 files changed, 18 insertions, 26 deletions
diff --git a/drivers/pps/clients/pps-ktimer.c b/drivers/pps/clients/pps-ktimer.c
index e7ef5b8186d0..2728469d3884 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);