Commit 9a84a7d2 authored Oct 22, 2014 by H Hartley Sweeten Committed by Greg Kroah-Hartman Oct 29, 2014

staging: comedi: comedi_parport: use comedi_buf_write_samples()

Use comedi_buf_write_samples() to add the sample to the async buffer.

The async events COMEDI_CB_BLOCK and COMEDI_CB_EOS will be detected and set
by the core. Remove the unnecessary events in the driver.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 48e08de0

drivers/staging/comedi/drivers/comedi_parport.c

+2 −3

Original line number	Diff line number	Diff line
		@@ -225,10 +225,9 @@ static irqreturn_t parport_interrupt(int irq, void *d)
		if (!(ctrl & PARPORT_CTRL_IRQ_ENA))
		return IRQ_NONE;

		comedi_buf_put(s, 0);
		s->async->events \|= COMEDI_CB_BLOCK \| COMEDI_CB_EOS;

		comedi_buf_write_samples(s, &s->state, 1);
		comedi_handle_events(dev, s);

		return IRQ_HANDLED;
		}