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| author | Daniel Hellstrom <daniel@gaisler.com> | 2012-11-19 17:41:15 +0100 |
|---|---|---|
| committer | Daniel Hellstrom <daniel@gaisler.com> | 2015-04-17 01:10:18 +0200 |
| commit | 4d249b9fed4deb45a70c6494f2c8905c237c49c4 (patch) | |
| tree | da4edababe1e7dd09f07ac2c4f53d3c88c44ff1b /c/src/lib/libbsp/sparc/shared/timer | |
| parent | GPTIMER: Only probe pending bit on timer0 (diff) | |
| download | rtems-4d249b9fed4deb45a70c6494f2c8905c237c49c4.tar.bz2 | |
GPTIMER: support separate & shared irq by clearing pending bit after ISR
Diffstat (limited to 'c/src/lib/libbsp/sparc/shared/timer')
| -rw-r--r-- | c/src/lib/libbsp/sparc/shared/timer/gptimer.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/c/src/lib/libbsp/sparc/shared/timer/gptimer.c b/c/src/lib/libbsp/sparc/shared/timer/gptimer.c index 2314a3b236..6a7e835f74 100644 --- a/c/src/lib/libbsp/sparc/shared/timer/gptimer.c +++ b/c/src/lib/libbsp/sparc/shared/timer/gptimer.c @@ -400,14 +400,16 @@ void gptimer_isr(void *data) /* Check all timers for IRQ */ for (i=0;i<priv->timer_cnt; i++) { - if (gptimer_tlib_int_pend((void *)&priv->timers[i], 1)) { - /* IRQ Was generated by Timer and Pending flag has been - * cleared. Call ISR registered + if (gptimer_tlib_int_pend((void *)&priv->timers[i], 0)) { + /* IRQ Was generated by Timer and Pending flag has *not* + * yet been cleared, this is to allow ISR to look at + * pending bit. Call ISR registered. Clear pending bit. */ if (priv->timers[i].tdev.isr_func) { priv->timers[i].tdev.isr_func( priv->timers[i].tdev.isr_data); } + gptimer_tlib_int_pend((void *)&priv->timers[i], 1); } } } |