[SPARC]: sbus/envctrl: replace schedule_timeout() with msleep_interruptible()

Use msleep_interruptible() instead of schedule_timeout() to guarantee
the task delays as expected. Change the units of poll_interval to
msecs as it is only used in this delay.

Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: Domen Puncer <domen@coderock.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 5 deletions

diff --git a/drivers/sbus/char/envctrl.c b/drivers/sbus/char/envctrl.c
index f6ed35b24f43..0c7cd7e7e2e5 100644
--- a/drivers/sbus/char/envctrl.c
+++ b/drivers/sbus/char/envctrl.c
@@ -1007,7 +1007,7 @@ static int kenvctrld(void *__unused)
                 return -ENODEV;
         }
 
-        poll_interval = 5 * HZ; /* TODO env_mon_interval */
+        poll_interval = 5000; /* TODO env_mon_interval */
 
         daemonize("kenvctrld");
         allow_signal(SIGKILL);
@@ -1016,10 +1016,7 @@ static int kenvctrld(void *__unused)
 
         printk(KERN_INFO "envctrl: %s starting...\n", current->comm);
         for (;;) {
-                current->state = TASK_INTERRUPTIBLE;
-                schedule_timeout(poll_interval);
-
-                if(signal_pending(current))
+                if(msleep_interruptible(poll_interval))
                         break;
 
                 for (whichcpu = 0; whichcpu < ENVCTRL_MAX_CPU; ++whichcpu) {