[PATCH v9 1/1] PRUSS UIO driver support
Thomas Gleixner
tglx at linutronix.de
Tue Mar 8 10:01:00 EST 2011
On Tue, 8 Mar 2011, Arnd Bergmann wrote:
> On Tuesday 08 March 2011, Thomas Gleixner wrote:
> > >
> > > +static irqreturn_t pruss_handler(int irq, struct uio_info *info) {
> > > + struct pruss_priv *priv = info->priv;
> > > + struct uio_pruss_dev *gdev = priv->pupdev;
> > >
> > > Note that info is a pointer to array supporting 8 interrupts. This allows to
> > > redirect to driver structure via info->priv quickly.
> >
> > struct uio_pruss_dev *dev = container_of(info, struct uio_pruss_dev, info);
> >
> > Perhaps ?
>
> That would require having the same number of uio_info structs as uio_pruss_dev
> instances. Right now, one platform device has one uio_pruss_dev instance, which
> has 8 uio_info instances, so the container_of() trick doesn't work.
Duh. Yes :)
tglx
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