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uio_pdrv_genirq: get irq through platform resource if not set otherwise

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Platform devices are configured through platform resources. The interrupt
in the driver uio_pdrv_genirq is instead configured through a side channel
i.e. the platform data structure. Make it possible to use the generic
configuration scheme via platform resource.

Signed-off-by: Benedikt Spranger <b.spranger@linutronix.de>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: "Hans J. Koch" <hjk@hansjkoch.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Benedikt Spranger 2012-05-14 18:48:17 +02:00 committed by Greg Kroah-Hartman
parent 7458eab6f4
commit 94ca629e40
1 changed files with 8 additions and 0 deletions
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8
drivers/uio/uio_pdrv_genirq.c
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@ -146,6 +146,14 @@ static int uio_pdrv_genirq_probe(struct platform_device *pdev)
priv->flags = 0; /* interrupt is enabled to begin with */
priv->pdev = pdev;
if (!uioinfo->irq) {
ret = platform_get_irq(pdev, 0);
if (ret < 0) {
dev_err(&pdev->dev, "failed to get IRQ\n");
goto bad0;
}
uioinfo->irq = ret;
}
uiomem = &uioinfo->mem[0];
for (i = 0; i < pdev->num_resources; ++i) {