diff options
| author | Geert Uytterhoeven <geert@linux-m68k.org> | 2006-10-10 00:23:31 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-10 01:54:46 +0400 |
| commit | 69961c375288bdab7604e0bb1c8d22999bb8a347 (patch) | |
| tree | 869e81d9798a8b41e7e9b35a992fe5794e9f28aa /arch/m68k/atari/time.c | |
| parent | da96d0b58adddf3bdeaa9644ac74f0dcc9039407 (diff) | |
| download | linux-69961c375288bdab7604e0bb1c8d22999bb8a347.tar.xz | |
[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>
Diffstat (limited to 'arch/m68k/atari/time.c')
| -rw-r--r-- | arch/m68k/atari/time.c | 9 |
1 files changed, 7 insertions, 2 deletions
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 ); |