diff options
| author |   Alan Ott <alan@signal11.us> | 2013-10-05 23:52:24 -0400 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2013-10-08 15:32:14 -0400 |
| commit | 40afbb657352e92726c40cc4ddf3cf0be6800dba (patch) | |
| tree | c73e32642a1f96d7e7031bce5e2ef468e6dc049d | |
| parent | mrf24j40: Use threaded IRQ handler (diff) | |
| download | linux-dev-40afbb657352e92726c40cc4ddf3cf0be6800dba.tar.xz linux-dev-40afbb657352e92726c40cc4ddf3cf0be6800dba.zip | |
mrf24j40: Use level-triggered interrupts
The mrf24j40 generates level interrupts. There are rare cases where it
appears that the interrupt line never gets de-asserted between interrupts,
causing interrupts to be lost, and causing a hung device from the driver's
perspective. Switching the driver to interpret these interrupts as
level-triggered fixes this issue.
Signed-off-by: Alan Ott <alan@signal11.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ieee802154/mrf24j40.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ieee802154/mrf24j40.c b/drivers/net/ieee802154/mrf24j40.c index c1bc68836346..0632d34905c7 100644 --- a/drivers/net/ieee802154/mrf24j40.c +++ b/drivers/net/ieee802154/mrf24j40.c @@ -678,7 +678,7 @@ static int mrf24j40_probe(struct spi_device *spi) ret = request_threaded_irq(spi->irq, NULL, mrf24j40_isr, - IRQF_TRIGGER_FALLING|IRQF_ONESHOT, + IRQF_TRIGGER_LOW|IRQF_ONESHOT, dev_name(&spi->dev), devrec); |