Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 6a8f6de1 authored by H Hartley Sweeten's avatar H Hartley Sweeten Committed by Greg Kroah-Hartman
Browse files

staging: comedi: pcl816: remove 'irq_free' from private data 



This member of the private data is not needed. We can check if
dev->irq is none zero instead. Remove it.

Signed-off-by: default avatarH Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent f95321f3

drivers/staging/comedi/drivers/pcl816.c

+3 −7
Original line number Diff line number Diff line
@@ -128,7 +128,6 @@ struct pcl816_private { 


	unsigned int ai_scans;	/*  len of scanlist */

	unsigned char ai_neverending;	/*  if=1, then we do neverending record (you must use cancel()) */

	int irq_free;		/*  1=have allocated IRQ */

	int irq_blocked;	/*  1=IRQ now uses any subdev */

	int irq_was_now_closed;	/*  when IRQ finish, there's stored int816_mode for last interrupt */

	int int816_mode;	/*  who now uses IRQ - 1=AI1 int, 2=AI1 dma, 3=AI3 int, 4AI3 dma */
@@ -382,8 +381,7 @@ static irqreturn_t interrupt_pcl816(int irq, void *d) 
	}



	outb(0, dev->iobase + PCL816_CLRINT);	/* clear INT request */

	if (!dev->irq || !devpriv->irq_free || !devpriv->irq_blocked ||

	    !devpriv->int816_mode) {

	if (!dev->irq || !devpriv->irq_blocked || !devpriv->int816_mode) {

		if (devpriv->irq_was_now_closed) {

			devpriv->irq_was_now_closed = 0;

			/*  comedi_error(dev,"last IRQ.."); */
@@ -875,10 +873,8 @@ static int pcl816_attach(struct comedi_device *dev, struct comedi_devconfig *it) 
	if ((1 << it->options[1]) & board->IRQbits) {

		ret = request_irq(it->options[1], interrupt_pcl816, 0,

				  dev->board_name, dev);

		if (ret == 0) {

		if (ret == 0)

			dev->irq = it->options[1];

			devpriv->irq_free = 1;

		}

	}



	devpriv->irq_blocked = 0;	/* number of subdevice which use IRQ */
@@ -887,7 +883,7 @@ static int pcl816_attach(struct comedi_device *dev, struct comedi_devconfig *it) 
	/* grab our DMA */

	dma = 0;

	devpriv->dma = dma;

	if (!devpriv->irq_free)

	if (!dev->irq)

		goto no_dma;	/* if we haven't IRQ, we can't use DMA */



	if (board->DMAbits != 0) {	/* board support DMA */