staging: comedi: move (*insn_{read, write}) timeout debug messages to core

Have the comedi core display a standard dev_dbg() message when a timeout
occurs and remove all the driver specific messages.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/comedi_fops.c

@@ -1194,6 +1194,11 @@ static int parse_insn(struct comedi_device *dev, struct comedi_insn *insn,
 		switch (insn->insn) {
 		case INSN_READ:
 			ret = s->insn_read(dev, s, insn, data);
+			if (ret == -ETIMEDOUT) {
+				dev_dbg(dev->class_dev,
+					"subdevice %d read instruction timed out\n",
+					s->index);
+			}
 			break;
 		case INSN_WRITE:
 			maxdata = s->maxdata_list
@@ -1207,8 +1212,14 @@ static int parse_insn(struct comedi_device *dev, struct comedi_insn *insn,
 					break;
 				}
 			}
-			if (ret == 0)
+			if (ret == 0) {
 				ret = s->insn_write(dev, s, insn, data);
+				if (ret == -ETIMEDOUT) {
+					dev_dbg(dev->class_dev,
+						"subdevice %d write instruction timed out\n",
+						s->index);
+				}
+			}
 			break;
 		case INSN_BITS:
 			if (insn->n != 2) {

drivers/staging/comedi/drivers/adl_pci9111.c

@@ -748,7 +748,6 @@ static int pci9111_ai_insn_read(struct comedi_device *dev,
 
 		ret = comedi_timeout(dev, s, insn, pci9111_ai_eoc, 0);
 		if (ret) {
-			comedi_error(dev, "A/D read timeout");
 			data[i] = 0;
 			pci9111_fifo_reset(dev);
 			return ret;

drivers/staging/comedi/drivers/adl_pci9118.c

@@ -614,7 +614,6 @@ static int pci9118_insn_read_ai(struct comedi_device *dev,
 
 		ret = comedi_timeout(dev, s, insn, pci9118_ai_eoc, 0);
 		if (ret) {
-			comedi_error(dev, "A/D insn timeout");
 			data[n] = 0;
 			outl(0, dev->iobase + PCI9118_DELFIFO);	/* flush FIFO */
 			return ret;

drivers/staging/comedi/drivers/adv_pci1710.c

@@ -467,7 +467,6 @@ static int pci171x_insn_read_ai(struct comedi_device *dev,
 
 		ret = comedi_timeout(dev, s, insn, pci171x_ai_eoc, 0);
 		if (ret) {
-			comedi_error(dev, "A/D insn timeout");
 			outb(0, dev->iobase + PCI171x_CLRFIFO);
 			outb(0, dev->iobase + PCI171x_CLRINT);
 			data[n] = 0;

drivers/staging/comedi/drivers/aio_aio12_8.c

@@ -140,10 +140,8 @@ static int aio_aio12_8_ai_read(struct comedi_device *dev,
 
 		/*  Wait for conversion to complete */
 		ret = comedi_timeout(dev, s, insn, aio_aio12_8_ai_eoc, 0);
-		if (ret) {
-			dev_err(dev->class_dev, "ADC timeout\n");
+		if (ret)
 			return ret;
-		}
 
 		data[n] = inw(dev->iobase + AIO12_8_ADC_REG) & s->maxdata;
 	}

drivers/staging/comedi/drivers/amplc_pci230.c

@@ -895,10 +895,8 @@ static int pci230_ai_rinsn(struct comedi_device *dev,
 
 		/* wait for conversion to end */
 		ret = comedi_timeout(dev, s, insn, pci230_ai_eoc, 0);
-		if (ret) {
-			dev_err(dev->class_dev, "timeout\n");
+		if (ret)
 			return ret;
-		}
 
 		/* read data */
 		data[n] = pci230_ai_read(dev);

drivers/staging/comedi/drivers/cb_das16_cs.c

@@ -152,10 +152,8 @@ static int das16cs_ai_rinsn(struct comedi_device *dev,
 		outw(0, dev->iobase + DAS16CS_ADC_DATA);
 
 		ret = comedi_timeout(dev, s, insn, das16cs_ai_eoc, 0);
-		if (ret) {
-			dev_dbg(dev->class_dev, "cb_das16_cs: ai timeout\n");
+		if (ret)
 			return ret;
-		}
 
 		data[i] = inw(dev->iobase + DAS16CS_ADC_DATA);
 	}

drivers/staging/comedi/drivers/cb_pcidas64.c

@@ -1792,10 +1792,8 @@ static int ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s,
 
 		/*  wait for data */
 		ret = comedi_timeout(dev, s, insn, cb_pcidas64_ai_eoc, 0);
-		if (ret) {
-			comedi_error(dev, " analog input read insn timed out");
+		if (ret)
 			return ret;
-		}
 
 		if (thisboard->layout == LAYOUT_4020)
 			data[n] = readl(devpriv->dio_counter_iobase +

drivers/staging/comedi/drivers/das08.c

@@ -257,10 +257,8 @@ static int das08_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s,
 		outb_p(0, dev->iobase + DAS08_TRIG_12BIT);
 
 		ret = comedi_timeout(dev, s, insn, das08_ai_eoc, 0);
-		if (ret) {
-			dev_err(dev->class_dev, "timeout\n");
+		if (ret)
 			return ret;
-		}
 
 		msb = inb(dev->iobase + DAS08_MSB);
 		lsb = inb(dev->iobase + DAS08_LSB);

drivers/staging/comedi/drivers/das16m1.c

@@ -370,10 +370,8 @@ static int das16m1_ai_rinsn(struct comedi_device *dev,
 		outb(0, dev->iobase);
 
 		ret = comedi_timeout(dev, s, insn, das16m1_ai_eoc, 0);
-		if (ret) {
-			comedi_error(dev, "timeout");
+		if (ret)
 			return ret;
-		}
 
 		data[n] = munge_sample(inw(dev->iobase));
 	}

drivers/staging/comedi/drivers/dt2815.c

@@ -108,22 +108,14 @@ static int dt2815_ao_insn(struct comedi_device *dev, struct comedi_subdevice *s,
 		hi = (data[i] & 0xff0) >> 4;
 
 		ret = comedi_timeout(dev, s, insn, dt2815_ao_status, 0x00);
-		if (ret) {
-			dev_dbg(dev->class_dev,
-				"failed to write low byte on %d\n",
-				chan);
+		if (ret)
 			return ret;
-		}
 
 		outb(lo, dev->iobase + DT2815_DATA);
 
 		ret = comedi_timeout(dev, s, insn, dt2815_ao_status, 0x10);
-		if (ret) {
-			dev_dbg(dev->class_dev,
-				"failed to write high byte on %d\n",
-				chan);
+		if (ret)
 			return ret;
-		}
 
 		devpriv->ao_readback[chan] = data[i];
 	}

drivers/staging/comedi/drivers/dt282x.c

@@ -554,10 +554,8 @@ static int dt282x_ai_insn_read(struct comedi_device *dev,
 
 	outw(devpriv->supcsr | DT2821_PRLD, dev->iobase + DT2821_SUPCSR);
 	ret = comedi_timeout(dev, s, insn, dt282x_ai_timeout, DT2821_MUXBUSY);
-	if (ret) {
-		comedi_error(dev, "timeout\n");
+	if (ret)
 		return ret;
-	}
 
 	for (i = 0; i < insn->n; i++) {
 		outw(devpriv->supcsr | DT2821_STRIG,
@@ -565,10 +563,8 @@ static int dt282x_ai_insn_read(struct comedi_device *dev,
 
 		ret = comedi_timeout(dev, s, insn, dt282x_ai_timeout,
 				     DT2821_ADDONE);
-		if (ret) {
-			comedi_error(dev, "timeout\n");
+		if (ret)
 			return ret;
-		}
 
 		data[i] =
 		    inw(dev->iobase +
@@ -704,10 +700,8 @@ static int dt282x_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 
 	outw(devpriv->supcsr | DT2821_PRLD, dev->iobase + DT2821_SUPCSR);
 	ret = comedi_timeout(dev, s, NULL, dt282x_ai_timeout, DT2821_MUXBUSY);
-	if (ret) {
-		comedi_error(dev, "timeout\n");
+	if (ret)
 		return ret;
-	}
 
 	if (cmd->scan_begin_src == TRIG_FOLLOW) {
 		outw(devpriv->supcsr | DT2821_STRIG,

drivers/staging/comedi/drivers/dyna_pci10xx.c

@@ -95,8 +95,6 @@ static int dyna_pci10xx_insn_read_ai(struct comedi_device *dev,
 		ret = comedi_timeout(dev, s, insn, dyna_pci10xx_ai_eoc, 0);
 		if (ret) {
 			data[n] = 0;
-			dev_dbg(dev->class_dev,
-				"timeout reading analog input\n");
 			break;
 		}
 

drivers/staging/comedi/drivers/icp_multi.c

@@ -216,7 +216,6 @@ static int icp_multi_insn_read_ai(struct comedi_device *dev,
 		/*  Wait for conversion to complete, or get fed up waiting */
 		ret = comedi_timeout(dev, s, insn, icp_multi_ai_eoc, 0);
 		if (ret) {
-			comedi_error(dev, "A/D insn timeout");
 			/*  Clear data received */
 			data[n] = 0;
 			break;
@@ -287,8 +286,6 @@ static int icp_multi_insn_write_ao(struct comedi_device *dev,
 		 *  ready for new data, or get fed up waiting */
 		ret = comedi_timeout(dev, s, insn, icp_multi_ao_eoc, 0);
 		if (ret) {
-			comedi_error(dev, "D/A insn timeout");
-
 			/*  Disable interrupt */
 			devpriv->IntEnable &= ~DAC_READY;
 			writew(devpriv->IntEnable,

drivers/staging/comedi/drivers/me_daq.c

@@ -305,10 +305,8 @@ static int me_ai_insn_read(struct comedi_device *dev,
 
 	/* wait for ADC fifo not empty flag */
 	ret = comedi_timeout(dev, s, insn, me_ai_eoc, 0);
-	if (ret) {
-		dev_err(dev->class_dev, "Cannot get single value\n");
+	if (ret)
 		return ret;
-	}
 
 	/* get value from ADC fifo */
 	val = readw(dev_private->me_regbase + ME_READ_AD_FIFO);

drivers/staging/comedi/drivers/ni_at_a2150.c

@@ -538,10 +538,8 @@ static int a2150_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s,
 	 */
 	for (n = 0; n < 36; n++) {
 		ret = comedi_timeout(dev, s, insn, a2150_ai_eoc, 0);
-		if (ret) {
-			comedi_error(dev, "timeout");
+		if (ret)
 			return ret;
-		}
 
 		inw(dev->iobase + FIFO_DATA_REG);
 	}
@@ -549,10 +547,8 @@ static int a2150_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s,
 	/*  read data */
 	for (n = 0; n < insn->n; n++) {
 		ret = comedi_timeout(dev, s, insn, a2150_ai_eoc, 0);
-		if (ret) {
-			comedi_error(dev, "timeout");
+		if (ret)
 			return ret;
-		}
 
 		data[n] = inw(dev->iobase + FIFO_DATA_REG);
 		data[n] ^= 0x8000;

drivers/staging/comedi/drivers/ni_daq_700.c

@@ -150,22 +150,8 @@ static int daq700_ai_rinsn(struct comedi_device *dev,
 
 		/* wait for conversion to end */
 		ret = comedi_timeout(dev, s, insn, daq700_ai_eoc, 0);
-		if (ret) {
-			switch (ret) {
-			case -EOVERFLOW:
-				dev_info(dev->class_dev,
-					 "Overflow/run Error\n");
-				break;
-			case -ENODATA:
-				dev_info(dev->class_dev, "Data Error\n");
-				break;
-			default:
-				dev_info(dev->class_dev,
-					 "timeout during ADC conversion\n");
-				break;
-			}
+		if (ret)
 			return ret;
-		}
 
 		/* read data */
 		d = inw(dev->iobase + ADFIFO_R);

drivers/staging/comedi/drivers/pcl812.c

@@ -434,10 +434,8 @@ static int pcl812_ai_insn_read(struct comedi_device *dev,
 		udelay(5);
 
 		ret = comedi_timeout(dev, s, insn, pcl812_ai_eoc, 0);
-		if (ret) {
-			dev_dbg(dev->class_dev, "A/D insn read timeout\n");
+		if (ret)
 			break;
-		}
 
 		hi = inb(dev->iobase + PCL812_AD_HI);
 		data[n] = ((hi & 0xf) << 8) | inb(dev->iobase + PCL812_AD_LO);
@@ -464,10 +462,8 @@ static int acl8216_ai_insn_read(struct comedi_device *dev,
 		udelay(5);
 
 		ret = comedi_timeout(dev, s, insn, pcl812_ai_eoc, 0);
-		if (ret) {
-			dev_dbg(dev->class_dev, "A/D insn read timeout\n");
+		if (ret)
 			break;
-		}
 
 		data[n] =
 		    (inb(dev->iobase +

drivers/staging/comedi/drivers/pcl816.c

@@ -196,7 +196,6 @@ static int pcl816_ai_insn_read(struct comedi_device *dev,
 
 		ret = comedi_timeout(dev, s, insn, pcl816_ai_eoc, 0);
 		if (ret) {
-			comedi_error(dev, "A/D insn timeout\n");
 			data[0] = 0;
 			/* clear INT (conversion end) flag */
 			outb(0, dev->iobase + PCL816_CLRINT);

drivers/staging/comedi/drivers/pcl818.c

@@ -375,7 +375,6 @@ static int pcl818_ai_insn_read(struct comedi_device *dev,
 
 		ret = comedi_timeout(dev, s, insn, pcl818_ai_eoc, 0);
 		if (ret) {
-			comedi_error(dev, "A/D insn timeout");
 			/* clear INT (conversion end) flag */
 			outb(0, dev->iobase + PCL818_CLRINT);
 			return ret;

drivers/staging/comedi/drivers/skel.c

@@ -190,10 +190,8 @@ static int skel_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s,
 
 		/* wait for conversion to end */
 		ret = comedi_timeout(dev, s, insn, skel_ai_eoc, 0);
-		if (ret) {
-			dev_warn(dev->class_dev, "ai timeout\n");
+		if (ret)
 			return ret;
-		}
 
 		/* read data */
 		/* d = inw(dev->iobase + SKEL_AI_DATA); */