Messages in this thread Patch in this message | | | From | Christian Eggers <> | Subject | [PATCH 1/2] iio: trigger: hrtimer: Disable irqs before calling iio_trigger_poll() | Date | Mon, 27 Jul 2020 16:58:59 +0200 |
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iio_trigger_poll() calls generic_handle_irq(). This function expects to be run with local IRQs disabled.
Signed-off-by: Christian Eggers <ceggers@arri.de> Cc: stable@vger.kernel.org --- drivers/iio/trigger/iio-trig-hrtimer.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/iio/trigger/iio-trig-hrtimer.c b/drivers/iio/trigger/iio-trig-hrtimer.c index f59bf8d58586..2fe8a5c1484e 100644 --- a/drivers/iio/trigger/iio-trig-hrtimer.c +++ b/drivers/iio/trigger/iio-trig-hrtimer.c @@ -89,7 +89,9 @@ static enum hrtimer_restart iio_hrtimer_trig_handler(struct hrtimer *timer) info = container_of(timer, struct iio_hrtimer_info, timer); hrtimer_forward_now(timer, info->period); + local_irq_disable(); iio_trigger_poll(info->swt.trigger); + local_irq_enable(); return HRTIMER_RESTART; } -- Christian Eggers Embedded software developer Arnold & Richter Cine Technik GmbH & Co. Betriebs KG Sitz: Muenchen - Registergericht: Amtsgericht Muenchen - Handelsregisternummer: HRA 57918 Persoenlich haftender Gesellschafter: Arnold & Richter Cine Technik GmbH Sitz: Muenchen - Registergericht: Amtsgericht Muenchen - Handelsregisternummer: HRB 54477 Geschaeftsfuehrer: Dr. Michael Neuhaeuser; Stephan Schenk; Walter Trauninger; Markus Zeiler
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