[PATCH] staging: comedi: ni_*

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Fix checkpatch warnings by shortening lines and reorganizing code where needed..
Re-phrase the assert messages in ni_mio_common.c. This was done to meet the character limit for the message.

Signed-off-by: Aniruddha Shastri <aniruddha.shastri@xxxxxxxxx>
---
 drivers/staging/comedi/drivers/ni_670x.c         |  3 +-
 drivers/staging/comedi/drivers/ni_atmio.c        |  8 +++--
 drivers/staging/comedi/drivers/ni_labpc_common.c | 13 +++-----
 drivers/staging/comedi/drivers/ni_mio_common.c   | 39 ++++++++++++------------
 drivers/staging/comedi/drivers/ni_stc.h          |  2 +-
 5 files changed, 33 insertions(+), 32 deletions(-)

diff --git a/drivers/staging/comedi/drivers/ni_670x.c b/drivers/staging/comedi/drivers/ni_670x.c
index 1d3ff60..330536a 100644
--- a/drivers/staging/comedi/drivers/ni_670x.c
+++ b/drivers/staging/comedi/drivers/ni_670x.c
@@ -207,9 +207,10 @@ static int ni_670x_auto_attach(struct comedi_device *dev,
 	s->maxdata = 0xffff;
 	if (s->n_chan == 32) {
 		const struct comedi_lrange **range_table_list;
+		unsigned int range_size = sizeof(const struct comedi_lrange *);
 
 		range_table_list = kmalloc_array(32,
-						 sizeof(struct comedi_lrange *),
+						 range_size,
 						 GFP_KERNEL);
 		if (!range_table_list)
 			return -ENOMEM;
diff --git a/drivers/staging/comedi/drivers/ni_atmio.c b/drivers/staging/comedi/drivers/ni_atmio.c
index ae6ed96..6c0e91e 100644
--- a/drivers/staging/comedi/drivers/ni_atmio.c
+++ b/drivers/staging/comedi/drivers/ni_atmio.c
@@ -233,10 +233,12 @@ static int ni_isapnp_find_board(struct pnp_dev **dev)
 	int i;
 
 	for (i = 0; i < ARRAY_SIZE(ni_boards); i++) {
+		int isapnp_id = ni_boards[i].isapnp_id;
+
 		isapnp_dev = pnp_find_dev(NULL,
-					  ISAPNP_VENDOR('N', 'I', 'C'),
-					  ISAPNP_FUNCTION(ni_boards[i].
-							  isapnp_id), NULL);
+					ISAPNP_VENDOR('N', 'I', 'C'),
+					ISAPNP_FUNCTION(isapnp_id),
+					NULL);
 
 		if (!isapnp_dev || !isapnp_dev->card)
 			continue;
diff --git a/drivers/staging/comedi/drivers/ni_labpc_common.c b/drivers/staging/comedi/drivers/ni_labpc_common.c
index b0dfb8e..f29218f 100644
--- a/drivers/staging/comedi/drivers/ni_labpc_common.c
+++ b/drivers/staging/comedi/drivers/ni_labpc_common.c
@@ -568,15 +568,12 @@ static int labpc_ai_cmdtest(struct comedi_device *dev,
 
 	/* make sure scan timing is not too fast */
 	if (cmd->scan_begin_src == TRIG_TIMER) {
-		if (cmd->convert_src == TRIG_TIMER) {
-			err |= comedi_check_trigger_arg_min(&cmd->
-							    scan_begin_arg,
-							    cmd->convert_arg *
-							    cmd->chanlist_len);
-		}
+		unsigned int expected = board->ai_speed * cmd->chanlist_len;
+
+		if (cmd->convert_src == TRIG_TIMER)
+			expected = cmd->convert_arg * cmd->chanlist_len;
 		err |= comedi_check_trigger_arg_min(&cmd->scan_begin_arg,
-						    board->ai_speed *
-						    cmd->chanlist_len);
+						    expected);
 	}
 
 	switch (cmd->stop_src) {
diff --git a/drivers/staging/comedi/drivers/ni_mio_common.c b/drivers/staging/comedi/drivers/ni_mio_common.c
index 398347f..1edcf2f 100644
--- a/drivers/staging/comedi/drivers/ni_mio_common.c
+++ b/drivers/staging/comedi/drivers/ni_mio_common.c
@@ -620,18 +620,18 @@ static int ni_request_ao_mite_channel(struct comedi_device *dev)
 }
 
 static int ni_request_gpct_mite_channel(struct comedi_device *dev,
-					unsigned int gpct_index,
+					unsigned int index,
 					enum comedi_io_direction direction)
 {
 	struct ni_private *devpriv = dev->private;
-	struct ni_gpct *counter = &devpriv->counter_dev->counters[gpct_index];
+	struct ni_gpct *counter = &devpriv->counter_dev->counters[index];
 	struct mite_channel *mite_chan;
 	unsigned long flags;
 	unsigned int bits;
 
 	spin_lock_irqsave(&devpriv->mite_channel_lock, flags);
 	mite_chan = mite_request_channel(devpriv->mite,
-					 devpriv->gpct_mite_ring[gpct_index]);
+					 devpriv->gpct_mite_ring[index]);
 	if (!mite_chan) {
 		spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
 		dev_err(dev->class_dev,
@@ -643,8 +643,8 @@ static int ni_request_gpct_mite_channel(struct comedi_device *dev,
 
 	bits = NI_STC_DMA_CHAN_SEL(mite_chan->channel);
 	ni_set_bitfield(dev, NI_E_DMA_G0_G1_SEL_REG,
-			NI_E_DMA_G0_G1_SEL_MASK(gpct_index),
-			NI_E_DMA_G0_G1_SEL(gpct_index, bits));
+			NI_E_DMA_G0_G1_SEL_MASK(index),
+			NI_E_DMA_G0_G1_SEL(index, bits));
 
 	spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
 	return 0;
@@ -720,20 +720,19 @@ static void ni_release_ao_mite_channel(struct comedi_device *dev)
 
 #ifdef PCIDMA
 static void ni_release_gpct_mite_channel(struct comedi_device *dev,
-					 unsigned int gpct_index)
+					 unsigned int index)
 {
 	struct ni_private *devpriv = dev->private;
 	unsigned long flags;
 
 	spin_lock_irqsave(&devpriv->mite_channel_lock, flags);
-	if (devpriv->counter_dev->counters[gpct_index].mite_chan) {
+	if (devpriv->counter_dev->counters[index].mite_chan) {
 		struct mite_channel *mite_chan =
-		    devpriv->counter_dev->counters[gpct_index].mite_chan;
+		    devpriv->counter_dev->counters[index].mite_chan;
 
 		ni_set_bitfield(dev, NI_E_DMA_G0_G1_SEL_REG,
-				NI_E_DMA_G0_G1_SEL_MASK(gpct_index), 0);
-		ni_tio_set_mite_channel(&devpriv->
-					counter_dev->counters[gpct_index],
+				NI_E_DMA_G0_G1_SEL_MASK(index), 0);
+		ni_tio_set_mite_channel(&devpriv->counter_dev->counters[index],
 					NULL);
 		mite_release_channel(mite_chan);
 	}
@@ -756,20 +755,20 @@ static void ni_release_cdo_mite_channel(struct comedi_device *dev)
 }
 
 static void ni_e_series_enable_second_irq(struct comedi_device *dev,
-					  unsigned int gpct_index, short enable)
+					  unsigned int index, short enable)
 {
 	struct ni_private *devpriv = dev->private;
 	unsigned int val = 0;
 	int reg;
 
-	if (devpriv->is_m_series || gpct_index > 1)
+	if (devpriv->is_m_series || index > 1)
 		return;
 
 	/*
 	 * e-series boards use the second irq signals to generate
 	 * dma requests for their counters
 	 */
-	if (gpct_index == 0) {
+	if (index == 0) {
 		reg = NISTC_INTA2_ENA_REG;
 		if (enable)
 			val = NISTC_INTA_ENA_G0_GATE;
@@ -1966,6 +1965,7 @@ static void ni_cmd_set_mite_transfer(struct mite_ring *ring,
 {
 #ifdef PCIDMA
 	unsigned int nbytes = max_count;
+	char *err_msg = "data transfer limits greater than buffer size";
 
 	if (cmd->stop_arg > 0 && cmd->stop_arg < max_count)
 		nbytes = cmd->stop_arg;
@@ -1974,7 +1974,7 @@ static void ni_cmd_set_mite_transfer(struct mite_ring *ring,
 	if (nbytes > sdev->async->prealloc_bufsz) {
 		if (cmd->stop_arg > 0)
 			dev_err(sdev->device->class_dev,
-				"ni_cmd_set_mite_transfer: tried exact data transfer limits greater than buffer size\n");
+				"%s: %s\n", __func__, err_msg);
 
 		/*
 		 * we can only transfer up to the size of the buffer.  In this
@@ -1986,8 +1986,9 @@ static void ni_cmd_set_mite_transfer(struct mite_ring *ring,
 
 	mite_init_ring_descriptors(ring, sdev, nbytes);
 #else
-	dev_err(sdev->device->class_dev,
-		"ni_cmd_set_mite_transfer: exact data transfer limits not implemented yet without DMA\n");
+	char *err_msg = "data transfer limits not implemented yet without DMA";
+
+	dev_err(sdev->device->class_dev, "%s: %s\n", __func__, err_msg);
 #endif
 }
 
@@ -4299,7 +4300,7 @@ static int pack_ad8842(int addr, int val, int *bitstring)
 struct caldac_struct {
 	int n_chans;
 	int n_bits;
-	int (*packbits)(int, int, int *);
+	int (*packbits)(int addr, int val, int *bitstring);
 };
 
 static struct caldac_struct caldacs[] = {
@@ -4696,7 +4697,7 @@ static int cs5529_do_conversion(struct comedi_device *dev,
 	retval = cs5529_wait_for_idle(dev);
 	if (retval) {
 		dev_err(dev->class_dev,
-			"timeout or signal in cs5529_do_conversion()\n");
+			"timeout or signal in %s()\n", __func__);
 		return -ETIME;
 	}
 	status = ni_ao_win_inw(dev, NI67XX_CAL_STATUS_REG);
diff --git a/drivers/staging/comedi/drivers/ni_stc.h b/drivers/staging/comedi/drivers/ni_stc.h
index 61138e8..03099a7 100644
--- a/drivers/staging/comedi/drivers/ni_stc.h
+++ b/drivers/staging/comedi/drivers/ni_stc.h
@@ -18,7 +18,7 @@
 /*
  * References:
  *   DAQ-STC Technical Reference Manual
-*/
+ */
 
 #ifndef _COMEDI_NI_STC_H
 #define _COMEDI_NI_STC_H
-- 
2.7.4

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