[PATCH 5/13] use cpu_relax() in busy loop

[Chris Wright]

Replace busy loop nop with cpu_relax().

===== drivers/char/isicom.c 1.25 vs edited =====
--- 1.25/drivers/char/isicom.c	Mon Aug 18 10:39:47 2003
+++ edited/drivers/char/isicom.c	Thu Sep 18 10:54:12 2003
@@ -153,12 +153,14 @@
 								
 			inw(base+0x8);
 			
-			for(i=jiffies+HZ/100;time_before(jiffies, i););
+			for(i=jiffies+HZ/100;time_before(jiffies, i);)
+				cpu_relax();
 				
 			outw(0,base+0x8); /* Reset */
 			
 			for(j=1;j<=3;j++) {
-				for(i=jiffies+HZ;time_before(jiffies, i););
+				for(i=jiffies+HZ;time_before(jiffies, i);)
+					cpu_relax();
 				printk(".");
 			}	
 			signature=(inw(base+0x4)) & 0xff;	

-
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