linux-kernel - [PATCH -next] staging: comedi dt2814: Removed unused variables

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Message-Id: <20210221202855.12442-1-yildirim.fatih@gmail.com>
Date:   Sun, 21 Feb 2021 23:28:55 +0300
From:   Fatih Yildirim <yildirim.fatih@...il.com>
To:     abbotti@....co.uk, hsweeten@...ionengravers.com,
        gregkh@...uxfoundation.org, grandmaster@...klimov.de
Cc:     Fatih Yildirim <yildirim.fatih@...il.com>,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [PATCH -next] staging: comedi dt2814: Removed unused variables

Removed unused variables.

Signed-off-by: Fatih Yildirim <yildirim.fatih@...il.com>
---
 drivers/staging/comedi/drivers/dt2814.c | 13 ++++---------
 1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/drivers/staging/comedi/drivers/dt2814.c b/drivers/staging/comedi/drivers/dt2814.c
index bcf4d5444faf..bd329d7b4893 100644
--- a/drivers/staging/comedi/drivers/dt2814.c
+++ b/drivers/staging/comedi/drivers/dt2814.c
@@ -186,21 +186,17 @@ static int dt2814_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 
 static irqreturn_t dt2814_interrupt(int irq, void *d)
 {
-	int lo, hi;
 	struct comedi_device *dev = d;
 	struct dt2814_private *devpriv = dev->private;
 	struct comedi_subdevice *s = dev->read_subdev;
-	int data;
 
 	if (!dev->attached) {
 		dev_err(dev->class_dev, "spurious interrupt\n");
 		return IRQ_HANDLED;
 	}
 
-	hi = inb(dev->iobase + DT2814_DATA);
-	lo = inb(dev->iobase + DT2814_DATA);
-
-	data = (hi << 4) | (lo >> 4);
+	inb(dev->iobase + DT2814_DATA);
+	inb(dev->iobase + DT2814_DATA);
 
 	if (!(--devpriv->ntrig)) {
 		int i;
@@ -229,7 +225,6 @@ static int dt2814_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	struct dt2814_private *devpriv;
 	struct comedi_subdevice *s;
 	int ret;
-	int i;
 
 	ret = comedi_request_region(dev, it->options[0], 0x2);
 	if (ret)
@@ -241,8 +236,8 @@ static int dt2814_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 		dev_err(dev->class_dev, "reset error (fatal)\n");
 		return -EIO;
 	}
-	i = inb(dev->iobase + DT2814_DATA);
-	i = inb(dev->iobase + DT2814_DATA);
+	inb(dev->iobase + DT2814_DATA);
+	inb(dev->iobase + DT2814_DATA);
 
 	if (it->options[1]) {
 		ret = request_irq(it->options[1], dt2814_interrupt, 0,
-- 
2.20.1