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-rw-r--r--drivers/staging/comedi/drivers/pcl812.c31
1 files changed, 6 insertions, 25 deletions
diff --git a/drivers/staging/comedi/drivers/pcl812.c b/drivers/staging/comedi/drivers/pcl812.c
index e31cf44faa33..804174b573c2 100644
--- a/drivers/staging/comedi/drivers/pcl812.c
+++ b/drivers/staging/comedi/drivers/pcl812.c
@@ -1088,7 +1088,6 @@ static int pcl812_attach(struct comedi_device *dev, struct comedi_devconfig *it)
1088 const struct pcl812_board *board = comedi_board(dev); 1088 const struct pcl812_board *board = comedi_board(dev);
1089 struct pcl812_private *devpriv; 1089 struct pcl812_private *devpriv;
1090 int ret, subdev; 1090 int ret, subdev;
1091 unsigned int irq;
1092 unsigned int dma; 1091 unsigned int dma;
1093 unsigned long pages; 1092 unsigned long pages;
1094 struct comedi_subdevice *s; 1093 struct comedi_subdevice *s;
@@ -1102,31 +1101,13 @@ static int pcl812_attach(struct comedi_device *dev, struct comedi_devconfig *it)
1102 if (!devpriv) 1101 if (!devpriv)
1103 return -ENOMEM; 1102 return -ENOMEM;
1104 1103
1105 irq = 0; 1104 if ((1 << it->options[1]) & board->IRQbits) {
1106 if (board->IRQbits != 0) { /* board support IRQ */ 1105 ret = request_irq(it->options[1], interrupt_pcl812, 0,
1107 irq = it->options[1]; 1106 dev->board_name, dev);
1108 if (irq) { /* we want to use IRQ */ 1107 if (ret == 0)
1109 if (((1 << irq) & board->IRQbits) == 0) { 1108 dev->irq = it->options[1];
1110 printk
1111 (", IRQ %u is out of allowed range, "
1112 "DISABLING IT", irq);
1113 irq = 0; /* Bad IRQ */
1114 } else {
1115 if (request_irq(irq, interrupt_pcl812, 0,
1116 dev->board_name, dev)) {
1117 printk
1118 (", unable to allocate IRQ %u, "
1119 "DISABLING IT", irq);
1120 irq = 0; /* Can't use IRQ */
1121 } else {
1122 printk(KERN_INFO ", irq=%u", irq);
1123 }
1124 }
1125 }
1126 } 1109 }
1127 1110
1128 dev->irq = irq;
1129
1130 dma = 0; 1111 dma = 0;
1131 devpriv->dma = dma; 1112 devpriv->dma = dma;
1132 if (!dev->irq) 1113 if (!dev->irq)
@@ -1395,7 +1376,7 @@ no_dma:
1395 break; 1376 break;
1396 case boardA821: 1377 case boardA821:
1397 devpriv->max_812_ai_mode0_rangewait = 1; 1378 devpriv->max_812_ai_mode0_rangewait = 1;
1398 devpriv->mode_reg_int = (irq << 4) & 0xf0; 1379 devpriv->mode_reg_int = (dev->irq << 4) & 0xf0;
1399 break; 1380 break;
1400 case boardPCL813B: 1381 case boardPCL813B:
1401 case boardPCL813: 1382 case boardPCL813: