From: Jiri Slaby <jirislaby@gmail.com>
Date: Sat, 19 Sep 2009 20:13:14 +0000 (-0700)
Subject: cyclades: sleep instead busy-wait
X-Git-Tag: Ubuntu-snapdragon-4.4.0-1050.54~24998^2~65
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=f6e208c1119206e2382ef7df6e47aaee18eb7f10;p=mirror_ubuntu-artful-kernel.git

cyclades: sleep instead busy-wait

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>
---

diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c
index 3884ea439935..b6d40ad662ff 100644
--- a/drivers/char/cyclades.c
+++ b/drivers/char/cyclades.c
@@ -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);