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xtensa: don't attempt to use unconfigured timers
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Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
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Max Filippov authored and Chris Zankel committed May 9, 2013
1 parent b06c14e commit 0f7f931
Showing 1 changed file with 6 additions and 3 deletions.
9 changes: 6 additions & 3 deletions arch/xtensa/include/asm/timex.h
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Original file line number Diff line number Diff line change
Expand Up @@ -19,13 +19,16 @@
#define _INTLEVEL(x) XCHAL_INT ## x ## _LEVEL
#define INTLEVEL(x) _INTLEVEL(x)

#if INTLEVEL(XCHAL_TIMER0_INTERRUPT) <= XCHAL_EXCM_LEVEL
#if XCHAL_NUM_TIMERS > 0 && \
INTLEVEL(XCHAL_TIMER0_INTERRUPT) <= XCHAL_EXCM_LEVEL
# define LINUX_TIMER 0
# define LINUX_TIMER_INT XCHAL_TIMER0_INTERRUPT
#elif INTLEVEL(XCHAL_TIMER1_INTERRUPT) <= XCHAL_EXCM_LEVEL
#elif XCHAL_NUM_TIMERS > 1 && \
INTLEVEL(XCHAL_TIMER1_INTERRUPT) <= XCHAL_EXCM_LEVEL
# define LINUX_TIMER 1
# define LINUX_TIMER_INT XCHAL_TIMER1_INTERRUPT
#elif INTLEVEL(XCHAL_TIMER2_INTERRUPT) <= XCHAL_EXCM_LEVEL
#elif XCHAL_NUM_TIMERS > 2 && \
INTLEVEL(XCHAL_TIMER2_INTERRUPT) <= XCHAL_EXCM_LEVEL
# define LINUX_TIMER 2
# define LINUX_TIMER_INT XCHAL_TIMER2_INTERRUPT
#else
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