[PATCH 09/22] staging: comedi: rtd520: remove DPRINTK messages
H Hartley Sweeten
hartleys at visionengravers.com
Mon Oct 29 17:04:40 UTC 2012
These are all development debug messages. A lot of them are in
the interrupt routine and probably shouldn't be there. Some of
the others are actually commented out.
Just remove all of them.
Signed-off-by: H Hartley Sweeten <hsweeten at visionengravers.com>
Cc: Ian Abbott <abbotti at mev.co.uk>
Cc: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
---
drivers/staging/comedi/drivers/rtd520.c | 105 ++++----------------------------
1 file changed, 13 insertions(+), 92 deletions(-)
diff --git a/drivers/staging/comedi/drivers/rtd520.c b/drivers/staging/comedi/drivers/rtd520.c
index 8d125d5..6af19bc 100644
--- a/drivers/staging/comedi/drivers/rtd520.c
+++ b/drivers/staging/comedi/drivers/rtd520.c
@@ -524,12 +524,8 @@ static int rtd_ai_rinsn(struct comedi_device *dev,
break;
WAIT_QUIETLY;
}
- if (ii >= RTD_ADC_TIMEOUT) {
- DPRINTK
- ("rtd520: Error: ADC never finished! FifoStatus=0x%x\n",
- stat ^ 0x6666);
+ if (ii >= RTD_ADC_TIMEOUT)
return -ETIMEDOUT;
- }
/* read data */
d = readw(devpriv->las1 + LAS1_ADC_FIFO);
@@ -638,10 +634,8 @@ static irqreturn_t rtd_interrupt(int irq, /* interrupt number (ignored) */
fifoStatus = readl(devpriv->las0 + LAS0_ADC);
/* check for FIFO full, this automatically halts the ADC! */
- if (!(fifoStatus & FS_ADC_NOT_FULL)) { /* 0 -> full */
- DPRINTK("rtd520: FIFO full! fifo_status=0x%x\n", (fifoStatus ^ 0x6666) & 0x7777); /* should be all 0s */
+ if (!(fifoStatus & FS_ADC_NOT_FULL)) /* 0 -> full */
goto abortTransfer;
- }
status = readw(devpriv->las0 + LAS0_IT);
/* if interrupt was not caused by our board, or handled above */
@@ -653,53 +647,29 @@ static irqreturn_t rtd_interrupt(int irq, /* interrupt number (ignored) */
counter interrupt, even though we have already finished,
we must handle the possibility that there is no data here */
if (!(fifoStatus & FS_ADC_HEMPTY)) { /* 0 -> 1/2 full */
- /*DPRINTK("rtd520: Sample int, reading 1/2FIFO. fifo_status 0x%x\n",
- (fifoStatus ^ 0x6666) & 0x7777); */
- if (ai_read_n(dev, s, devpriv->fifoLen / 2) < 0) {
- DPRINTK
- ("rtd520: comedi read buffer overflow (1/2FIFO) with %ld to go!\n",
- devpriv->aiCount);
+ if (ai_read_n(dev, s, devpriv->fifoLen / 2) < 0)
goto abortTransfer;
- }
- if (0 == devpriv->aiCount) { /* counted down */
- DPRINTK("rtd520: Samples Done (1/2). fifo_status was 0x%x\n", (fifoStatus ^ 0x6666) & 0x7777); /* should be all 0s */
+
+ if (0 == devpriv->aiCount)
goto transferDone;
- }
+
comedi_event(dev, s);
} else if (devpriv->transCount > 0) { /* read often */
- /*DPRINTK("rtd520: Sample int, reading %d fifo_status 0x%x\n",
- devpriv->transCount, (fifoStatus ^ 0x6666) & 0x7777); */
if (fifoStatus & FS_ADC_NOT_EMPTY) { /* 1 -> not empty */
- if (ai_read_n(dev, s, devpriv->transCount) < 0) {
- DPRINTK
- ("rtd520: comedi read buffer overflow (N) with %ld to go!\n",
- devpriv->aiCount);
+ if (ai_read_n(dev, s, devpriv->transCount) < 0)
goto abortTransfer;
- }
- if (0 == devpriv->aiCount) { /* counted down */
- DPRINTK
- ("rtd520: Samples Done (N). fifo_status was 0x%x\n",
- (fifoStatus ^ 0x6666) & 0x7777);
+
+ if (0 == devpriv->aiCount)
goto transferDone;
- }
+
comedi_event(dev, s);
}
- } else { /* wait for 1/2 FIFO (old) */
- DPRINTK
- ("rtd520: Sample int. Wait for 1/2. fifo_status 0x%x\n",
- (fifoStatus ^ 0x6666) & 0x7777);
}
- } else {
- DPRINTK("rtd520: unknown interrupt source!\n");
}
overrun = readl(devpriv->las0 + LAS0_OVERRUN) & 0xffff;
- if (overrun) {
- DPRINTK
- ("rtd520: Interrupt overrun with %ld to go! over_status=0x%x\n",
- devpriv->aiCount, overrun);
+ if (overrun)
goto abortTransfer;
- }
/* clear the interrupt */
devpriv->intClearMask = status;
@@ -723,7 +693,6 @@ transferDone:
if (devpriv->aiCount > 0) { /* there shouldn't be anything left */
fifoStatus = readl(devpriv->las0 + LAS0_ADC);
- DPRINTK("rtd520: Finishing up. %ld remain, fifoStat=%x\n", devpriv->aiCount, (fifoStatus ^ 0x6666) & 0x7777); /* should read all 0s */
ai_read_dregs(dev, s); /* read anything left in FIFO */
}
@@ -738,9 +707,6 @@ transferDone:
fifoStatus = readl(devpriv->las0 + LAS0_ADC);
overrun = readl(devpriv->las0 + LAS0_OVERRUN) & 0xffff;
- DPRINTK
- ("rtd520: Acquisition complete. %ld ints, intStat=%x, overStat=%x\n",
- devpriv->intCount, status, overrun);
return IRQ_HANDLED;
}
@@ -939,10 +905,8 @@ static int rtd_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
writel(0, devpriv->las0 + LAS0_OVERRUN);
devpriv->intCount = 0;
- if (!dev->irq) { /* we need interrupts for this */
- DPRINTK("rtd520: ERROR! No interrupt available!\n");
+ if (!dev->irq) /* we need interrupts for this */
return -ENXIO;
- }
/* start configuration */
/* load channel list and reset CGT */
@@ -950,7 +914,6 @@ static int rtd_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
/* setup the common case and override if needed */
if (cmd->chanlist_len > 1) {
- /*DPRINTK ("rtd520: Multi channel setup\n"); */
/* pacer start source: SOFTWARE */
writel(0, devpriv->las0 + LAS0_PACER_START);
/* burst trigger source: PACER */
@@ -958,7 +921,6 @@ static int rtd_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
/* ADC conversion trigger source: BURST */
writel(2, devpriv->las0 + LAS0_ADC_CONVERSION);
} else { /* single channel */
- /*DPRINTK ("rtd520: single channel setup\n"); */
/* pacer start source: SOFTWARE */
writel(0, devpriv->las0 + LAS0_PACER_START);
/* ADC conversion trigger source: PACER */
@@ -1001,11 +963,6 @@ static int rtd_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
writel((devpriv->transCount - 1) & 0xffff,
devpriv->las0 + LAS0_ACNT);
}
-
- DPRINTK
- ("rtd520: scanLen=%d transferCount=%d fifoLen=%d\n scanTime(ns)=%d flags=0x%x\n",
- cmd->chanlist_len, devpriv->transCount, devpriv->fifoLen,
- cmd->scan_begin_arg, devpriv->flags);
} else { /* unknown timing, just use 1/2 FIFO */
devpriv->transCount = 0;
devpriv->flags &= ~SEND_EOS;
@@ -1030,10 +987,6 @@ static int rtd_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
case TRIG_NONE: /* stop when cancel is called */
devpriv->aiCount = -1; /* read forever */
break;
-
- default:
- DPRINTK("rtd520: Warning! ignoring stop_src mode %d\n",
- cmd->stop_src);
}
/* Scan timing */
@@ -1042,7 +995,6 @@ static int rtd_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
timer = rtd_ns_to_timer(&cmd->scan_begin_arg,
TRIG_ROUND_NEAREST);
/* set PACER clock */
- /*DPRINTK ("rtd520: loading %d into pacer\n", timer); */
writel(timer & 0xffffff, devpriv->las0 + LAS0_PCLK);
break;
@@ -1051,10 +1003,6 @@ static int rtd_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
/* pacer start source: EXTERNAL */
writel(1, devpriv->las0 + LAS0_PACER_START);
break;
-
- default:
- DPRINTK("rtd520: Warning! ignoring scan_begin_src mode %d\n",
- cmd->scan_begin_src);
}
/* Sample timing within a scan */
@@ -1064,7 +1012,6 @@ static int rtd_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
timer = rtd_ns_to_timer(&cmd->convert_arg,
TRIG_ROUND_NEAREST);
/* setup BURST clock */
- /*DPRINTK ("rtd520: loading %d into burst\n", timer); */
writel(timer & 0x3ff, devpriv->las0 + LAS0_BCLK);
}
@@ -1074,10 +1021,6 @@ static int rtd_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
/* burst trigger source: EXTERNAL */
writel(2, devpriv->las0 + LAS0_BURST_START);
break;
-
- default:
- DPRINTK("rtd520: Warning! ignoring convert_src mode %d\n",
- cmd->convert_src);
}
/* end configuration */
@@ -1091,11 +1034,9 @@ static int rtd_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
if (devpriv->transCount > 0) { /* transfer every N samples */
devpriv->intMask = IRQM_ADC_ABOUT_CNT;
writew(devpriv->intMask, devpriv->las0 + LAS0_IT);
- DPRINTK("rtd520: Transferring every %d\n", devpriv->transCount);
} else { /* 1/2 FIFO transfers */
devpriv->intMask = IRQM_ADC_ABOUT_CNT;
writew(devpriv->intMask, devpriv->las0 + LAS0_IT);
- DPRINTK("rtd520: Transferring every 1/2 FIFO\n");
}
/* BUG: start_src is ASSUMED to be TRIG_NOW */
@@ -1122,9 +1063,6 @@ static int rtd_ai_cancel(struct comedi_device *dev, struct comedi_subdevice *s)
devpriv->aiCount = 0; /* stop and don't transfer any more */
status = readw(devpriv->las0 + LAS0_IT);
overrun = readl(devpriv->las0 + LAS0_OVERRUN) & 0xffff;
- DPRINTK
- ("rtd520: Acquisition canceled. %ld ints, intStat=%x, overStat=%x\n",
- devpriv->intCount, status, overrun);
return 0;
}
@@ -1161,10 +1099,6 @@ static int rtd_ao_winsn(struct comedi_device *dev,
val = data[i] << 3;
}
- DPRINTK
- ("comedi: rtd520 DAC chan=%d range=%d writing %d as 0x%x\n",
- chan, range, data[i], val);
-
/* a typical programming sequence */
writew(val, devpriv->las1 +
((chan == 0) ? LAS1_DAC1_FIFO : LAS1_DAC2_FIFO));
@@ -1180,12 +1114,8 @@ static int rtd_ao_winsn(struct comedi_device *dev,
break;
WAIT_QUIETLY;
}
- if (ii >= RTD_DAC_TIMEOUT) {
- DPRINTK
- ("rtd520: Error: DAC never finished! FifoStatus=0x%x\n",
- stat ^ 0x6666);
+ if (ii >= RTD_DAC_TIMEOUT)
return -ETIMEDOUT;
- }
}
/* return the number of samples read/written */
@@ -1238,8 +1168,6 @@ static int rtd_dio_insn_bits(struct comedi_device *dev,
* input lines. */
data[1] = readw(devpriv->las0 + LAS0_DIO0) & 0xff;
- /*DPRINTK("rtd520:port_0 wrote: 0x%x read: 0x%x\n", s->state, data[1]); */
-
return insn->n;
}
@@ -1273,7 +1201,6 @@ static int rtd_dio_insn_config(struct comedi_device *dev,
return -EINVAL;
}
- DPRINTK("rtd520: port_0_direction=0x%x (1 means out)\n", s->io_bits);
/* TODO support digital match interrupts and strobes */
devpriv->dioStatus = 0x01; /* set direction */
writew(devpriv->dioStatus, devpriv->las0 + LAS0_DIO_STATUS);
@@ -1336,10 +1263,6 @@ static void rtd_pci_latency_quirk(struct comedi_device *dev,
struct pci_dev *pcidev)
{
unsigned char pci_latency;
- u16 revision;
-
- pci_read_config_word(pcidev, PCI_REVISION_ID, &revision);
- DPRINTK("%s: PCI revision %d.\n", dev->board_name, revision);
pci_read_config_byte(pcidev, PCI_LATENCY_TIMER, &pci_latency);
if (pci_latency < 32) {
@@ -1347,8 +1270,6 @@ static void rtd_pci_latency_quirk(struct comedi_device *dev,
"PCI latency changed from %d to %d\n",
pci_latency, 32);
pci_write_config_byte(pcidev, PCI_LATENCY_TIMER, 32);
- } else {
- DPRINTK("rtd520: PCI latency = %d\n", pci_latency);
}
}
--
1.7.11
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