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-rw-r--r--drivers/tty/serial/8250/8250_pci.c29
1 files changed, 7 insertions, 22 deletions
diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c
index 48bd694a5fa1..d0957b2f1c93 100644
--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -3375,6 +3375,9 @@ static const struct pci_device_id blacklist[] = {
/* Exar devices */
{ PCI_VDEVICE(EXAR, PCI_ANY_ID), },
{ PCI_VDEVICE(COMMTECH, PCI_ANY_ID), },
+
+ /* End of the black list */
+ { }
};
static int serial_pci_is_class_communication(struct pci_dev *dev)
@@ -3392,25 +3395,6 @@ static int serial_pci_is_class_communication(struct pci_dev *dev)
return 0;
}
-static int serial_pci_is_blacklisted(struct pci_dev *dev)
-{
- const struct pci_device_id *bldev;
-
- /*
- * Do not access blacklisted devices that are known not to
- * feature serial ports or are handled by other modules.
- */
- for (bldev = blacklist;
- bldev < blacklist + ARRAY_SIZE(blacklist);
- bldev++) {
- if (dev->vendor == bldev->vendor &&
- dev->device == bldev->device)
- return -ENODEV;
- }
-
- return 0;
-}
-
/*
* Given a complete unknown PCI device, try to use some heuristics to
* guess what the configuration might be, based on the pitiful PCI
@@ -3634,6 +3618,7 @@ pciserial_init_one(struct pci_dev *dev, const struct pci_device_id *ent)
struct pci_serial_quirk *quirk;
struct serial_private *priv;
const struct pciserial_board *board;
+ const struct pci_device_id *exclude;
struct pciserial_board tmp;
int rc;
@@ -3652,9 +3637,9 @@ pciserial_init_one(struct pci_dev *dev, const struct pci_device_id *ent)
board = &pci_boards[ent->driver_data];
- rc = serial_pci_is_blacklisted(dev);
- if (rc)
- return rc;
+ exclude = pci_match_id(blacklist, dev);
+ if (exclude)
+ return -ENODEV;
rc = pcim_enable_device(dev);
pci_save_state(dev);