cyclades: sleep instead busy-wait
authorJiri Slaby <jirislaby@gmail.com>
Sat, 19 Sep 2009 20:13:14 +0000 (13:13 -0700)
committerLive-CD User <linux@linux.site>
Sat, 19 Sep 2009 20:13:14 +0000 (13:13 -0700)
Avoid long busy loops (5 ms) which may be replaced by sleeps.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/char/cyclades.c

index 3884ea439935991c70d63bac7b30c2c9318036f1..b6d40ad662ffd624c162faaed1144e278c02f0ae 100644 (file)
@@ -389,7 +389,7 @@ static unsigned detect_isa_irq(void __iomem *address)
 
        irqs = probe_irq_on();
        /* Wait ... */
-       udelay(5000L);
+       msleep(5);
 
        /* Enable the Tx interrupts on the CD1400 */
        local_irq_save(flags);
@@ -402,7 +402,7 @@ static unsigned detect_isa_irq(void __iomem *address)
        local_irq_restore(flags);
 
        /* Wait ... */
-       udelay(5000L);
+       msleep(5);
 
        /* Check which interrupt is in use */
        irq = probe_irq_off(irqs);