From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Tue, 26 Nov 2013 17:21:28 +0000 (-0700)
Subject: staging: comedi: dt2814: remove disabled irq probe code
X-Git-Tag: firefly_0821_release~176^2~4489^2~704
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=c9001543fbaf04787324dd1f63444c6507da2d60;p=firefly-linux-kernel-4.4.55.git

staging: comedi: dt2814: remove disabled irq probe code

The irq probe code in dt2814_attach() is disabled by an #if 0 block.
Just remove it.

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>
---

diff --git a/drivers/staging/comedi/drivers/dt2814.c b/drivers/staging/comedi/drivers/dt2814.c
index 6514b9e00552..4b4147833843 100644
--- a/drivers/staging/comedi/drivers/dt2814.c
+++ b/drivers/staging/comedi/drivers/dt2814.c
@@ -256,26 +256,6 @@ static int dt2814_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	i = inb(dev->iobase + DT2814_DATA);
 
 	irq = it->options[1];
-#if 0
-	if (irq < 0) {
-		save_flags(flags);
-		sti();
-		irqs = probe_irq_on();
-
-		outb(0, dev->iobase + DT2814_CSR);
-
-		udelay(100);
-
-		irq = probe_irq_off(irqs);
-		restore_flags(flags);
-		if (inb(dev->iobase + DT2814_CSR) & DT2814_ERR)
-			printk(KERN_DEBUG "error probing irq (bad)\n");
-
-
-		i = inb(dev->iobase + DT2814_DATA);
-		i = inb(dev->iobase + DT2814_DATA);
-	}
-#endif
 	dev->irq = 0;
 	if (irq > 0) {
 		if (request_irq(irq, dt2814_interrupt, 0, "dt2814", dev)) {
@@ -286,12 +266,6 @@ static int dt2814_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 		}
 	} else if (irq == 0) {
 		printk(KERN_WARNING "(no irq)\n");
-	} else {
-#if 0
-		printk(KERN_DEBUG "(probe returned multiple irqs--bad)\n");
-#else
-		printk(KERN_WARNING "(irq probe not implemented)\n");
-#endif
 	}
 
 	ret = comedi_alloc_subdevices(dev, 1);