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authorJerry Hoemann <jerry.hoemann@hpe.com>2018-12-06 01:42:21 +0100
committerWim Van Sebroeck <wim@linux-watchdog.org>2018-12-22 12:15:30 +0100
commit94d6b80c45d3f436d993aa026aa080866cb4b87e (patch)
tree8920e366e6eba4fded7e8b36f53bf3ff6ed300bd /drivers/watchdog
parentWatchdog: remove outdated comment (diff)
downloadlinux-94d6b80c45d3f436d993aa026aa080866cb4b87e.tar.xz
linux-94d6b80c45d3f436d993aa026aa080866cb4b87e.zip
watchdog/hpwdt: Exclude via blacklist
Instead of having explicit if statments excluding devices, use a pci_device_id table of devices to blacklist. Signed-off-by: Jerry Hoemann <jerry.hoemann@hpe.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
Diffstat (limited to 'drivers/watchdog')
-rw-r--r--drivers/watchdog/hpwdt.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c
index 93562304f7aa..eecd014ccd5b 100644
--- a/drivers/watchdog/hpwdt.c
+++ b/drivers/watchdog/hpwdt.c
@@ -50,6 +50,10 @@ static const struct pci_device_id hpwdt_devices[] = {
};
MODULE_DEVICE_TABLE(pci, hpwdt_devices);
+static const struct pci_device_id hpwdt_blacklist[] = {
+ { PCI_DEVICE_SUB(PCI_VENDOR_ID_HP, 0x3306, PCI_VENDOR_ID_HP, 0x1979) }, /* auxilary iLO */
+ {0}, /* terminate list */
+};
/*
* Watchdog operations
@@ -274,12 +278,10 @@ static int hpwdt_init_one(struct pci_dev *dev,
return -ENODEV;
}
- /*
- * Ignore all auxilary iLO devices with the following PCI ID
- */
- if (dev->subsystem_vendor == PCI_VENDOR_ID_HP &&
- dev->subsystem_device == 0x1979)
+ if (pci_match_id(hpwdt_blacklist, dev)) {
+ dev_dbg(&dev->dev, "Not supported on this device\n");
return -ENODEV;
+ }
if (pci_enable_device(dev)) {
dev_warn(&dev->dev,