From 69961c375288bdab7604e0bb1c8d22999bb8a347 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Mon, 9 Oct 2006 22:23:31 +0200
Subject: [PATCH] m68k/Atari: Interrupt updates

Misc Atari fixes:
  - initialize correct number of atari irqs
  - silence vbl interrupt until it's used by atafb
  - use mdelay() to read clock if necessary

Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
 arch/m68k/atari/time.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

(limited to 'arch/m68k/atari/time.c')

diff --git a/arch/m68k/atari/time.c b/arch/m68k/atari/time.c
index c44df4a4a331..e0d3c8bfb408 100644
--- a/arch/m68k/atari/time.c
+++ b/arch/m68k/atari/time.c
@@ -16,6 +16,7 @@
 #include <linux/init.h>
 #include <linux/rtc.h>
 #include <linux/bcd.h>
+#include <linux/delay.h>
 
 #include <asm/atariints.h>
 
@@ -212,8 +213,12 @@ int atari_tt_hwclk( int op, struct rtc_time *t )
      * additionally the RTC_SET bit is set to prevent an update cycle.
      */
 
-    while( RTC_READ(RTC_FREQ_SELECT) & RTC_UIP )
-        schedule_timeout_interruptible(HWCLK_POLL_INTERVAL);
+    while( RTC_READ(RTC_FREQ_SELECT) & RTC_UIP ) {
+	if (in_atomic() || irqs_disabled())
+	    mdelay(1);
+	else
+	    schedule_timeout_interruptible(HWCLK_POLL_INTERVAL);
+    }
 
     local_irq_save(flags);
     RTC_WRITE( RTC_CONTROL, ctrl | RTC_SET );
-- 
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