watchdog: hpwdt: Patch to ignore auxilary iLO devices
authorMingarelli, Thomas <Thomas.Mingarelli@hp.com>
Fri, 9 Aug 2013 16:31:09 +0000 (16:31 +0000)
committerWim Van Sebroeck <wim@iguana.be>
Thu, 10 Oct 2013 20:23:10 +0000 (22:23 +0200)
This patch is to prevent hpwdt from loading on any auxilary iLO devices defined
after the initial (or main) iLO device. All auxilary iLO devices will have a
subsystem device ID set to 0x1979 in order for hpwdt to differentiate between
the two types.

Signed-off-by: Thomas Mingarelli <thomas.mingarelli@hp.com>
Tested-by: Lisa Mitchell <lisa.mitchell@hp.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
drivers/watchdog/hpwdt.c

index 5be5e3d14f794a3bdc446b78b5d0bb3fcb9b7fa9..19f3c3fc65f4c9af0ffa4a25cf8410e308a5fda8 100644 (file)
@@ -802,6 +802,12 @@ static int hpwdt_init_one(struct pci_dev *dev,
                return -ENODEV;
        }
 
+       /*
+        * Ignore all auxilary iLO devices with the following PCI ID
+        */
+       if (dev->subsystem_device == 0x1979)
+               return -ENODEV;
+
        if (pci_enable_device(dev)) {
                dev_warn(&dev->dev,
                        "Not possible to enable PCI Device: 0x%x:0x%x.\n",