[PATCH v4 2/5] powerpc/eeh: Add warning message in eeh_dev_open()

[Gavin Shan]

The patch adds one warning message in eeh_dev_open() in case the
PCI device can't be marked as passed through.

Suggested-by: Alexey Kardashevskiy <aik at ozlabs.ru>
Signed-off-by: Gavin Shan <gwshan at linux.vnet.ibm.com>
---
 arch/powerpc/kernel/eeh.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/kernel/eeh.c b/arch/powerpc/kernel/eeh.c
index 59a64f8..5d73a49 100644
--- a/arch/powerpc/kernel/eeh.c
+++ b/arch/powerpc/kernel/eeh.c
@@ -1162,8 +1162,11 @@ int eeh_dev_open(struct pci_dev *pdev)
 
 	/* No EEH device or PE ? */
 	edev = pci_dev_to_eeh_dev(pdev);
-	if (!edev || !edev->pe)
+	if (!edev || !edev->pe) {
+		pr_warn_once("%s: PCI device %s not supported\n",
+			     __func__, pci_name(pdev));
 		goto out;
+	}
 
 	/* Increase PE's pass through count */
 	atomic_inc(&edev->pe->pass_dev_cnt);
-- 
1.8.3.2