commit 196269464d4ab950a40c7ac3dac266773aa78b8c
author Alexander Aring <alex.aring@gmail.com> Thu Apr 24 19:09:15 2014 +0200
committer David S. Miller <davem@davemloft.net> Sat Apr 26 12:20:34 2014 -0400
tree 542b8eef19d9ce4676c71a1dad6538e2de4e01f5
parent ee69559bb838ac44baf675a529b02868c4392188

at86rf230: reset irq line before irq request

This patch resets the irq line before we are requesting the irq. This
avoids pending interrupts before requesting.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ieee802154/at86rf230.c

diff --git a/drivers/net/ieee802154/at86rf230.c b/drivers/net/ieee802154/at86rf230.c
index 960444b..994c334 100644
--- a/drivers/net/ieee802154/at86rf230.c
+++ b/drivers/net/ieee802154/at86rf230.c
@@ -1172,13 +1172,13 @@
 	if (rc)
 		goto err_hw_init;
 
-	rc = devm_request_irq(&spi->dev, spi->irq, irq_handler, IRQF_SHARED,
-			      dev_name(&spi->dev), lp);
+	/* Read irq status register to reset irq line */
+	rc = at86rf230_read_subreg(lp, RG_IRQ_STATUS, 0xff, 0, &status);
 	if (rc)
 		goto err_hw_init;
 
-	/* Read irq status register to reset irq line */
-	rc = at86rf230_read_subreg(lp, RG_IRQ_STATUS, 0xff, 0, &status);
+	rc = devm_request_irq(&spi->dev, spi->irq, irq_handler, IRQF_SHARED,
+			      dev_name(&spi->dev), lp);
 	if (rc)
 		goto err_hw_init;