On Fri, Mar 21, 2014 at 02:20:11PM +0000, Matt Sickler wrote: > Tiny patch to let uio-based drivers override the read(2), write(2), and > poll(2) syscalls. > The rationale is that some uio-based drivers might want the mmap(2) > functionality > of UIO, but have no need for the IRQ semantics of read(2) and write(2).
Can you submit a driver that uses these new interfaces as well? I don't want to add something that isn't used in the kernel. > > Signed-Off-by: Matt Sickler <matt.sick...@daktronics.com> > --- > diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c > index a673e5b..da1bfc8 100644 > --- a/drivers/uio/uio.c > +++ b/drivers/uio/uio.c > @@ -505,6 +505,9 @@ static unsigned int uio_poll(struct file *filep, > poll_table *wait) > struct uio_listener *listener = filep->private_data; > struct uio_device *idev = listener->dev; > > + if (idev->info->poll) > + return idev->info->poll(filep, wait); > + Your email client ate all the tabs and created a patch that can't be applied :( -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
