mm: thp: set the accessed flag for old pages on access fault

[pandora-kernel.git] / drivers / pps / kapi.c

diff --git a/drivers/pps/kapi.c b/drivers/pps/kapi.c
index a4e8eb9..f197e8e 100644 (file)
--- a/drivers/pps/kapi.c
+++ b/drivers/pps/kapi.c
@@ -52,6 +52,14 @@ static void pps_add_offset(struct pps_ktime *ts, struct pps_ktime *offset)
        ts->sec += offset->sec;
 }
 
+static void pps_echo_client_default(struct pps_device *pps, int event,
+               void *data)
+{
+       dev_info(pps->dev, "echo %s %s\n",
+               event & PPS_CAPTUREASSERT ? "assert" : "",
+               event & PPS_CAPTURECLEAR ? "clear" : "");
+}
+
 /*
  * Exported functions
  */
@@ -80,13 +88,6 @@ struct pps_device *pps_register_source(struct pps_source_info *info,
                err = -EINVAL;
                goto pps_register_source_exit;
        }
-       if ((info->mode & (PPS_ECHOASSERT | PPS_ECHOCLEAR)) != 0 &&
-                       info->echo == NULL) {
-               pr_err("%s: echo function is not defined\n",
-                                       info->name);
-               err = -EINVAL;
-               goto pps_register_source_exit;
-       }
        if ((info->mode & (PPS_TSFMT_TSPEC | PPS_TSFMT_NTPFP)) == 0) {
                pr_err("%s: unspecified time format\n",
                                        info->name);
@@ -108,6 +109,11 @@ struct pps_device *pps_register_source(struct pps_source_info *info,
        pps->params.mode = default_params;
        pps->info = *info;
 
+       /* check for default echo function */
+       if ((pps->info.mode & (PPS_ECHOASSERT | PPS_ECHOCLEAR)) &&
+                       pps->info.echo == NULL)
+               pps->info.echo = pps_echo_client_default;
+
        init_waitqueue_head(&pps->queue);
        spin_lock_init(&pps->lock);