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-rw-r--r--drivers/staging/comedi/drivers/s626.c35
1 files changed, 20 insertions, 15 deletions
diff --git a/drivers/staging/comedi/drivers/s626.c b/drivers/staging/comedi/drivers/s626.c
index 92121cf8c45c..5d9bab352c1d 100644
--- a/drivers/staging/comedi/drivers/s626.c
+++ b/drivers/staging/comedi/drivers/s626.c
@@ -111,9 +111,13 @@ static const struct s626_board s626_boards[] = {
111#define PCI_VENDOR_ID_S626 0x1131 111#define PCI_VENDOR_ID_S626 0x1131
112#define PCI_DEVICE_ID_S626 0x7146 112#define PCI_DEVICE_ID_S626 0x7146
113 113
114/*
115 * For devices with vendor:device id == 0x1131:0x7146 you must specify
116 * also subvendor:subdevice ids, because otherwise it will conflict with
117 * Philips SAA7146 media/dvb based cards.
118 */
114static DEFINE_PCI_DEVICE_TABLE(s626_pci_table) = { 119static DEFINE_PCI_DEVICE_TABLE(s626_pci_table) = {
115 {PCI_VENDOR_ID_S626, PCI_DEVICE_ID_S626, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 120 {PCI_VENDOR_ID_S626, PCI_DEVICE_ID_S626, 0x6000, 0x0272, 0, 0, 0},
116 0},
117 {0} 121 {0}
118}; 122};
119 123
@@ -499,25 +503,26 @@ static int s626_attach(struct comedi_device *dev, struct comedi_devconfig *it)
499 resource_size_t resourceStart; 503 resource_size_t resourceStart;
500 dma_addr_t appdma; 504 dma_addr_t appdma;
501 struct comedi_subdevice *s; 505 struct comedi_subdevice *s;
502 struct pci_dev *pdev; 506 const struct pci_device_id *ids;
507 struct pci_dev *pdev = NULL;
503 508
504 if (alloc_private(dev, sizeof(struct s626_private)) < 0) 509 if (alloc_private(dev, sizeof(struct s626_private)) < 0)
505 return -ENOMEM; 510 return -ENOMEM;
506 511
507 for (pdev = pci_get_device(PCI_VENDOR_ID_S626, PCI_DEVICE_ID_S626, 512 for (i = 0; i < (ARRAY_SIZE(s626_pci_table) - 1) && !pdev; i++) {
508 NULL); pdev != NULL; 513 ids = &s626_pci_table[i];
509 pdev = pci_get_device(PCI_VENDOR_ID_S626, 514 do {
510 PCI_DEVICE_ID_S626, pdev)) { 515 pdev = pci_get_subsys(ids->vendor, ids->device, ids->subvendor,
511 if (it->options[0] || it->options[1]) { 516 ids->subdevice, pdev);
512 if (pdev->bus->number == it->options[0] && 517
513 PCI_SLOT(pdev->devfn) == it->options[1]) { 518 if ((it->options[0] || it->options[1]) && pdev) {
514 /* matches requested bus/slot */ 519 /* matches requested bus/slot */
520 if (pdev->bus->number == it->options[0] &&
521 PCI_SLOT(pdev->devfn) == it->options[1])
522 break;
523 } else
515 break; 524 break;
516 } 525 } while (1);
517 } else {
518 /* no bus/slot specified */
519 break;
520 }
521 } 526 }
522 devpriv->pdev = pdev; 527 devpriv->pdev = pdev;
523 528