The code, which is likely copied from arch/powerpc/lib/interrupts.c, lacks a fallback definition of CONFIG_SYS_WATCHDOG_FREQ and refers to a non-existing timestamp variable - obviously priv->timestamp is meant.
Signed-off-by: Rasmus Villemoes rasmus.villemoes@prevas.dk --- drivers/timer/mpc83xx_timer.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/timer/mpc83xx_timer.c b/drivers/timer/mpc83xx_timer.c index f4f6e90387..9adb4b4cab 100644 --- a/drivers/timer/mpc83xx_timer.c +++ b/drivers/timer/mpc83xx_timer.c @@ -20,6 +20,10 @@
DECLARE_GLOBAL_DATA_PTR;
+#ifndef CONFIG_SYS_WATCHDOG_FREQ +#define CONFIG_SYS_WATCHDOG_FREQ (CONFIG_SYS_HZ / 2) +#endif + /** * struct mpc83xx_timer_priv - Private data structure for MPC83xx timer driver * @decrementer_count: Value to which the decrementer register should be re-set @@ -171,7 +175,7 @@ void timer_interrupt(struct pt_regs *regs) priv->timestamp++;
#if defined(CONFIG_WATCHDOG) || defined(CONFIG_HW_WATCHDOG) - if ((timestamp % (CONFIG_SYS_WATCHDOG_FREQ)) == 0) + if ((priv->timestamp % (CONFIG_SYS_WATCHDOG_FREQ)) == 0) WATCHDOG_RESET(); #endif /* CONFIG_WATCHDOG || CONFIG_HW_WATCHDOG */