Staging: comedi: fix line over 80 character issue in rtd520.c

This is a patch to the rtd520.c file that fixes up a line
over 80 character warning found by the checkpatch.pl tool.

Signed-off-by: Ravishankar Karkala Mallikarjunayya <ravishankar.km@greenturtles.in>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/comedi/drivers/rtd520.c b/drivers/staging/comedi/drivers/rtd520.c
index 1559d570d9f3f819e39186924d98117e4cc38bf8..0c15b82d997bf6ffc1d399a8ae8acab70a0ac261 100644 (file)
--- a/drivers/staging/comedi/drivers/rtd520.c
+++ b/drivers/staging/comedi/drivers/rtd520.c
@@ -369,8 +369,11 @@ struct rtdPrivate {
        u8 utcCtrl[4];          /* crtl mode for 3 utc + read back */
        u8 dioStatus;           /* could be read back (dio0Ctrl) */
 #ifdef USE_DMA
-       /* Always DMA 1/2 FIFO.  Buffer (dmaBuff?) is (at least) twice that size.
-          After transferring, interrupt processes 1/2 FIFO and passes to comedi */
+       /*
+        * Always DMA 1/2 FIFO.  Buffer (dmaBuff?) is (at least) twice that
+        * size.  After transferring, interrupt processes 1/2 FIFO and
+        * passes to comedi
+        */
        s16 dma0Offset;         /* current processing offset (0, 1/2) */
        uint16_t *dma0Buff[DMA_CHAIN_COUNT];    /* DMA buffers (for ADC) */
        dma_addr_t dma0BuffPhysAddr[DMA_CHAIN_COUNT];   /* physical addresses */
@@ -573,7 +576,8 @@ struct rtdPrivate {
 
 /* User output N source select (write only) */
 #define RtdUsrOutSource(dev, n, v) \
-       writel(v, devpriv->las0+((n <= 0) ? LAS0_UOUT0_SELECT : LAS0_UOUT1_SELECT))
+       writel(v, devpriv->las0+((n <= 0) ? LAS0_UOUT0_SELECT : \
+                               LAS0_UOUT1_SELECT))
 
 /* Digital IO */
 #define RtdDio0Read(dev) \
@@ -600,7 +604,8 @@ struct rtdPrivate {
 /* Write one data value (sign + 12bit + marker bits) */
 /* Note: matches what DMA would put.  Actual value << 3 */
 #define RtdDacFifoPut(dev, n, v) \
-       writew((v), devpriv->las1 + (((n) == 0) ? LAS1_DAC1_FIFO : LAS1_DAC2_FIFO))
+       writew((v), devpriv->las1 + (((n) == 0) ? LAS1_DAC1_FIFO : \
+                               LAS1_DAC2_FIFO))
 
 /* Start single DAC conversion */
 #define RtdDacUpdate(dev, n) \
@@ -617,7 +622,8 @@ struct rtdPrivate {
 
 /* Reset DAC FIFO */
 #define RtdDacClearFifo(dev, n) \
-       writel(0, devpriv->las0+(((n) == 0) ? LAS0_DAC1_RESET : LAS0_DAC2_RESET))
+       writel(0, devpriv->las0+(((n) == 0) ? LAS0_DAC1_RESET : \
+                               LAS0_DAC2_RESET))
 
 /* Set source for DMA 0 (write only, shadow?) */
 #define RtdDma0Source(dev, n) \
@@ -713,7 +719,10 @@ static int rtd_ai_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s,
                          struct comedi_cmd *cmd);
 static int rtd_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s);
 static int rtd_ai_cancel(struct comedi_device *dev, struct comedi_subdevice *s);
-/* static int rtd_ai_poll (struct comedi_device *dev,struct comedi_subdevice *s); */
+/*
+ * static int rtd_ai_poll(struct comedi_device *dev,
+ *                       struct comedi_subdevice *s);
+ */
 static int rtd_ns_to_timer(unsigned int *ns, int roundMode);
 static irqreturn_t rtd_interrupt(int irq, void *d);
 static int rtd520_probe_fifo_depth(struct comedi_device *dev);
@@ -833,7 +842,9 @@ static int rtd_attach(struct comedi_device *dev, struct comedi_devconfig *it)
                        DPRINTK("rtd520: PCI latency = %d\n", pci_latency);
                }
 
-               /* Undocumented EPLD version (doesn't match RTD driver results) */
+               /*
+                * Undocumented EPLD version (doesn't match RTD driver results)
+                */
                /*DPRINTK ("rtd520: Reading epld from %p\n",
                   devpriv->las0+0);
                   epld_version = readl (devpriv->las0+0);
@@ -946,9 +957,11 @@ static int rtd_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 #ifdef USE_DMA
        if (dev->irq > 0) {
                printk("( DMA buff=%d )\n", DMA_CHAIN_COUNT);
-               /* The PLX9080 has 2 DMA controllers, but there could be 4 sources:
-                  ADC, digital, DAC1, and DAC2.  Since only the ADC supports cmd mode
-                  right now, this isn't an issue (yet) */
+               /*
+                * The PLX9080 has 2 DMA controllers, but there could be
+                * 4 sources: ADC, digital, DAC1, and DAC2.  Since only the
+                * ADC supports cmd mode right now, this isn't an issue (yet)
+                */
                devpriv->dma0Offset = 0;
 
                for (index = 0; index < DMA_CHAIN_COUNT; index++) {
@@ -964,10 +977,14 @@ static int rtd_attach(struct comedi_device *dev, struct comedi_devconfig *it)
                        }
                        /*DPRINTK ("buff[%d] @ %p virtual, %x PCI\n",
                           index,
-                          devpriv->dma0Buff[index], devpriv->dma0BuffPhysAddr[index]); */
+                          devpriv->dma0Buff[index],
+                          devpriv->dma0BuffPhysAddr[index]); */
                }
 
-               /* setup DMA descriptor ring (use cpu_to_le32 for byte ordering?) */
+               /*
+                * setup DMA descriptor ring (use cpu_to_le32 for byte
+                * ordering?)
+                */
                devpriv->dma0Chain =
                    pci_alloc_consistent(devpriv->pci_dev,
                                         sizeof(struct plx_dma_desc) *
@@ -1254,7 +1271,8 @@ static int rtd520_probe_fifo_depth(struct comedi_device *dev)
                }
        }
        if (i == limit) {
-               printk(KERN_INFO "\ncomedi: %s: failed to probe fifo size.\n", DRV_NAME);
+               printk(KERN_INFO "\ncomedi: %s: failed to probe fifo size.\n",
+                      DRV_NAME);
                return -EIO;
        }
        RtdAdcClearFifo(dev);
@@ -1354,9 +1372,10 @@ static int ai_read_n(struct comedi_device *dev, struct comedi_subdevice *s,
                d = RtdAdcFifoGet(dev); /* get 2s comp value */
 
                d = d >> 3;     /* low 3 bits are marker lines */
-               if (CHAN_ARRAY_TEST(devpriv->chanBipolar, s->async->cur_chan))
-                       sample = d + 2048;      /* convert to comedi unsigned data */
-               else
+               if (CHAN_ARRAY_TEST(devpriv->chanBipolar, s->async->cur_chan)) {
+                       /* convert to comedi unsigned data */
+                       sample = d + 2048;
+               } else
                        sample = d;
 
                if (!comedi_buf_put(s->async, sample))
@@ -1382,9 +1401,10 @@ static int ai_read_dregs(struct comedi_device *dev, struct comedi_subdevice *s)
                }
 
                d = d >> 3;     /* low 3 bits are marker lines */
-               if (CHAN_ARRAY_TEST(devpriv->chanBipolar, s->async->cur_chan))
-                       sample = d + 2048;      /* convert to comedi unsigned data */
-               else
+               if (CHAN_ARRAY_TEST(devpriv->chanBipolar, s->async->cur_chan)) {
+                       /* convert to comedi unsigned data */
+                       sample = d + 2048;
+               } else
                        sample = d;
 
                if (!comedi_buf_put(s->async, sample))
@@ -1501,7 +1521,9 @@ static int ai_process_dma(struct comedi_device *dev, struct comedi_subdevice *s)
        comedi_buf_memcpy_to(s->async, 0, dp, n);
        comedi_buf_write_free(s->async, n);
 
-       /* always at least 1 scan -- 1/2 FIFO is larger than our max scan list */
+       /*
+        * always at least 1 scan -- 1/2 FIFO is larger than our max scan list
+        */
        s->async->events |= COMEDI_CB_BLOCK | COMEDI_CB_EOS;
 
        if (++devpriv->dma0Offset >= DMA_CHAIN_COUNT) { /* next buffer */