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at86rf230: reset irq line before irq request

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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>
This commit is contained in:
Alexander Aring 2014-04-24 19:09:15 +02:00 committed by David S. Miller
parent ee69559bb8
commit 196269464d
1 changed files with 4 additions and 4 deletions
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8
drivers/net/ieee802154/at86rf230.c
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@ -1172,13 +1172,13 @@ static int at86rf230_probe(struct spi_device *spi)
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;