Char: cyclades, timer cleanup

cyclades, timer cleanup

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 6 insertions, 12 deletions

diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c
index 9bf0fb2fa0d4..a035fb07acda 100644
--- a/drivers/char/cyclades.c
+++ b/drivers/char/cyclades.c
@@ -851,7 +851,6 @@ static void cyz_poll(unsigned long);
 /* The Cyclades-Z polling cycle is defined by this variable */
 static long cyz_polling_cycle = CZ_DEF_POLL;
 
-static int cyz_timeron = 0;
 static DEFINE_TIMER(cyz_timerlist, cyz_poll, 0, 0);
 
 #else                           /* CONFIG_CYZ_INTR */
@@ -1906,9 +1905,9 @@ static void cyz_poll(unsigned long arg)
         static volatile struct BOARD_CTRL *board_ctrl;
         static volatile struct CH_CTRL *ch_ctrl;
         static volatile struct BUF_CTRL *buf_ctrl;
+        unsigned long expires = jiffies + HZ;
         int card, port;
 
-        cyz_timerlist.expires = jiffies + (HZ);
         for (card = 0; card < NR_CARDS; card++) {
                 cinfo = &cy_card[card];
 
@@ -1942,9 +1941,9 @@ static void cyz_poll(unsigned long arg)
                         cyz_handle_tx(info, ch_ctrl, buf_ctrl);
                 }
                 /* poll every 'cyz_polling_cycle' period */
-                cyz_timerlist.expires = jiffies + cyz_polling_cycle;
+                expires = jiffies + cyz_polling_cycle;
         }
-        add_timer(&cyz_timerlist);
+        mod_timer(&cyz_timerlist, expires);
 }                               /* cyz_poll */
 
 #endif                          /* CONFIG_CYZ_INTR */
@@ -5504,10 +5503,8 @@ static int __init cy_init(void)
         }
 
 #ifndef CONFIG_CYZ_INTR
-        if (number_z_boards && !cyz_timeron) {
-                cyz_timeron++;
-                cyz_timerlist.expires = jiffies + 1;
-                add_timer(&cyz_timerlist);
+        if (number_z_boards) {
+                mod_timer(&cyz_timerlist, jiffies + 1);
 #ifdef CY_PCI_DEBUG
                 printk("Cyclades-Z polling initialized\n");
 #endif
@@ -5523,10 +5520,7 @@ static void __exit cy_cleanup_module(void)
         int i, e1;
 
 #ifndef CONFIG_CYZ_INTR
-        if (cyz_timeron){
-                cyz_timeron = 0;
-                del_timer(&cyz_timerlist);
-        }
+        del_timer_sync(&cyz_timerlist);
 #endif /* CONFIG_CYZ_INTR */
 
         if ((e1 = tty_unregister_driver(cy_serial_driver)))