patch-2.4.21 linux-2.4.21/arch/alpha/lib/udelay.c

• Lines: 43
• Date: 2003-06-13 07:51:29.000000000 -0700
• Orig file: linux-2.4.20/arch/alpha/lib/udelay.c
• Orig date: 2001-06-20 11:10:27.000000000 -0700

diff -urN linux-2.4.20/arch/alpha/lib/udelay.c linux-2.4.21/arch/alpha/lib/udelay.c
@@ -18,7 +18,8 @@
  * a 1GHz box, that's about 2 seconds.
  */
 
-void __delay(int loops)
+void
+__delay(int loops)
 {
 	int tmp;
 	__asm__ __volatile__(
@@ -30,18 +31,22 @@
 		: "=&r" (tmp), "=r" (loops) : "1"(loops));
 }
 
-void __udelay(unsigned long usecs, unsigned long lpj)
-{
-	usecs *= (((unsigned long)HZ << 32) / 1000000) * lpj;
-	__delay((long)usecs >> 32);
-}
-
-void udelay(unsigned long usecs)
-{
 #ifdef CONFIG_SMP
-	__udelay(usecs, cpu_data[smp_processor_id()].loops_per_jiffy);
+#define LPJ	cpu_data[smp_processor_id()].loops_per_jiffy
 #else
-	__udelay(usecs, loops_per_jiffy);
+#define LPJ	loops_per_jiffy
 #endif
+
+void
+ndelay(unsigned long nsecs)
+{
+	nsecs *= (((unsigned long)HZ << 32) / 1000000000) * LPJ;
+	__delay((long)nsecs >> 32);
 }
 
+void
+udelay(unsigned long usecs)
+{
+	usecs *= (((unsigned long)HZ << 32) / 1000000) * LPJ;
+	__delay((long)usecs >> 32);
+}