Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
iio: Use IRQF_NO_THREAD
The interrupt handler iio_trigger_generic_data_rdy_poll() will invoke
other interrupt handler and this supposed to happen from within the
hardirq.
Use IRQF_NO_THREAD to forbid forced-threading.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
authored by
Sebastian Andrzej Siewior
and committed by
Jonathan Cameron
04d390af
f52690c5
+8
-9
+3
-2
drivers/iio/accel/bma180.c
+3
-2
drivers/iio/accel/bma180.c
···
986
986
}
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987
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ret = devm_request_irq(dev, client->irq,
989
-
iio_trigger_generic_data_rdy_poll, IRQF_TRIGGER_RISING,
990
-
"bma180_event", data->trig);
989
+
iio_trigger_generic_data_rdy_poll,
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+
IRQF_TRIGGER_RISING | IRQF_NO_THREAD,
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+
"bma180_event", data->trig);
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if (ret) {
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dev_err(dev, "unable to request IRQ\n");
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goto err_trigger_free;
+1
-1
drivers/iio/adc/ad7766.c
+1
-1
drivers/iio/adc/ad7766.c
···
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261
* don't enable the interrupt to avoid extra load on the system
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*/
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ret = devm_request_irq(&spi->dev, spi->irq, ad7766_irq,
264
-
IRQF_TRIGGER_FALLING | IRQF_NO_AUTOEN,
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+
IRQF_TRIGGER_FALLING | IRQF_NO_AUTOEN | IRQF_NO_THREAD,
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dev_name(&spi->dev),
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ad7766->trig);
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if (ret < 0)
+3
-5
drivers/iio/gyro/itg3200_buffer.c
+3
-5
drivers/iio/gyro/itg3200_buffer.c
···
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if (!st->trig)
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return -ENOMEM;
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-
ret = request_irq(st->i2c->irq,
122
-
&iio_trigger_generic_data_rdy_poll,
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-
IRQF_TRIGGER_RISING,
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-
"itg3200_data_rdy",
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-
st->trig);
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+
ret = request_irq(st->i2c->irq, &iio_trigger_generic_data_rdy_poll,
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+
IRQF_TRIGGER_RISING | IRQF_NO_THREAD,
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+
"itg3200_data_rdy", st->trig);
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if (ret)
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goto error_free_trig;
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