[PATCH 1/1] watchdog/hpwdt: Do not claim unsupported hardware

From: Jerry Hoemann
Date: Tue Dec 04 2018 - 21:22:47 EST


Do not claim when SSID 0x0289 as the watchdog features
are not enabled/validated by the firmware.

Signed-off-by: Jerry Hoemann <jerry.hoemann@xxxxxxx>
---
drivers/watchdog/hpwdt.c | 11 +++++++++++
1 file changed, 11 insertions(+)

diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c
index 9356230..b99ef0a4 100644
--- a/drivers/watchdog/hpwdt.c
+++ b/drivers/watchdog/hpwdt.c
@@ -281,6 +281,17 @@ static int hpwdt_init_one(struct pci_dev *dev,
dev->subsystem_device == 0x1979)
return -ENODEV;

+ /*
+ * Ignore unsupported hardware
+ */
+ if (dev->vendor == PCI_VENDOR_ID_HP &&
+ dev->device == 0x3306 &&
+ dev->subsystem_vendor == PCI_VENDOR_ID_HP_3PAR &&
+ dev->subsystem_device == 0x0289) {
+ dev_info(&dev->dev, "Not supported on this platform\n");
+ return -ENODEV;
+ }
+
if (pci_enable_device(dev)) {
dev_warn(&dev->dev,
"Not possible to enable PCI Device: 0x%x:0x%x.\n",
--
1.8.3.1