UIO: uio_pdrv_genirq: allow custom irq_flags

I can't think of a reason why the driver prevents people from setting any
custom bits in their platform device, but I can think of some reasons for
allowing custom flags.  Like setting the IRQF_TRIGGER_... bits.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Hans J. Koch <hjk@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/uio/uio_pdrv_genirq.c b/drivers/uio/uio_pdrv_genirq.c
index 1f82c83a92ae..3f06818cf9fa 100644
--- a/drivers/uio/uio_pdrv_genirq.c
+++ b/drivers/uio/uio_pdrv_genirq.c
@@ -81,7 +81,8 @@ static int uio_pdrv_genirq_probe(struct platform_device *pdev)
                 goto bad0;
         }
 
-        if (uioinfo->handler || uioinfo->irqcontrol || uioinfo->irq_flags) {
+        if (uioinfo->handler || uioinfo->irqcontrol ||
+            uioinfo->irq_flags & IRQF_SHARED) {
                 dev_err(&pdev->dev, "interrupt configuration error\n");
                 goto bad0;
         }
@@ -132,7 +133,7 @@ static int uio_pdrv_genirq_probe(struct platform_device *pdev)
          * Interrupt sharing is not supported.
          */
 
-        uioinfo->irq_flags = IRQF_DISABLED;
+        uioinfo->irq_flags |= IRQF_DISABLED;
         uioinfo->handler = uio_pdrv_genirq_handler;
         uioinfo->irqcontrol = uio_pdrv_genirq_irqcontrol;
         uioinfo->priv = priv;