patch-2_6_7-vs1_9_1_12

[linux-2.6.git] / arch / alpha / kernel / sys_ruffian.c

diff --git a/arch/alpha/kernel/sys_ruffian.c b/arch/alpha/kernel/sys_ruffian.c
index 3438b8d..ccabcb1 100644 (file)
--- a/arch/alpha/kernel/sys_ruffian.c
+++ b/arch/alpha/kernel/sys_ruffian.c
@@ -25,6 +25,7 @@
 #include <asm/pgtable.h>
 #include <asm/core_cia.h>
 #include <asm/tlbflush.h>
+#include <asm/8253pit.h>
 
 #include "proto.h"
 #include "irq_impl.h"
@@ -64,6 +65,8 @@ ruffian_init_irq(void)
        common_init_isa_dma();
 }
 
+#define RUFFIAN_LATCH  ((PIT_TICK_RATE + HZ / 2) / HZ)
+
 static void __init
 ruffian_init_rtc(void)
 {
@@ -72,8 +75,8 @@ ruffian_init_rtc(void)
 
        /* Setup interval timer.  */
        outb(0x34, 0x43);               /* binary, mode 2, LSB/MSB, ch 0 */
-       outb(LATCH & 0xff, 0x40);       /* LSB */
-       outb(LATCH >> 8, 0x40);         /* MSB */
+       outb(RUFFIAN_LATCH & 0xff, 0x40);       /* LSB */
+       outb(RUFFIAN_LATCH >> 8, 0x40);         /* MSB */
 
        outb(0xb6, 0x43);               /* pit counter 2: speaker */
        outb(0x31, 0x42);