Disabling the interrupt line could miss an IRQ and leave the line into a
low state hence locking the driver.
Signed-off-by: David Hauweele <da...@hauweele.net>
---
drivers/net/ieee802154/mrf24j40.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)
diff --git a/drivers/net/ieee802154/mrf24j40.c
b/drivers/net/ieee802154/mrf24j40.c
index 1e3ddf3..6ef32f7 100644
--- a/drivers/net/ieee802154/mrf24j40.c
+++ b/drivers/net/ieee802154/mrf24j40.c
@@ -603,8 +603,6 @@ static irqreturn_t mrf24j40_isr(int irq, void *data)
{
struct mrf24j40 *devrec = data;
- disable_irq_nosync(irq);
-
schedule_work(&devrec->irqwork);
return IRQ_HANDLED;
@@ -619,7 +617,7 @@ static void mrf24j40_isrwork(struct work_struct *work)
/* Read the interrupt status */
ret = read_short_reg(devrec, REG_INTSTAT, &intstat);
if (ret)
- goto out;
+ return;
/* Check for TX complete */
if (intstat & 0x1)
@@ -628,9 +626,6 @@ static void mrf24j40_isrwork(struct work_struct *work)
/* Check for Rx */
if (intstat & 0x8)
schedule_work(&devrec->rxwork);
-
-out:
- enable_irq(devrec->spi->irq);
}
static void mrf24j40_rxwork(struct work_struct *work)
--
1.7.10.4
------------------------------------------------------------------------------
Learn Graph Databases - Download FREE O'Reilly Book
"Graph Databases" is the definitive new guide to graph databases and
their applications. This 200-page book is written by three acclaimed
leaders in the field. The early access version is available now.
Download your free book today! http://p.sf.net/sfu/neotech_d2d_may
_______________________________________________
Linux-zigbee-devel mailing list
Linux-zigbee-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/linux-zigbee-devel
