powerpc/eeh: Output error number

The patch prints the error number while failing to retrieve error
log from firmware. It's helpful for debugging.

Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

diff --git a/arch/powerpc/platforms/powernv/eeh-ioda.c b/arch/powerpc/platforms/powernv/eeh-ioda.c
index 34e0583106cf8b8a84468981a74a944e314c24e0..f426f4c24fb62a39dbb6297bf6c5905d5de1394c 100644 (file)
--- a/arch/powerpc/platforms/powernv/eeh-ioda.c
+++ b/arch/powerpc/platforms/powernv/eeh-ioda.c
@@ -583,8 +583,8 @@ static int ioda_eeh_get_log(struct eeh_pe *pe, int severity,
                        phb->diag.blob, PNV_PCI_DIAG_BUF_SIZE);
        if (ret) {
                spin_unlock_irqrestore(&phb->lock, flags);
-               pr_warning("%s: Failed to get log for PHB#%x-PE#%x\n",
-                          __func__, hose->global_number, pe->addr);
+               pr_warning("%s: Can't get log for PHB#%x-PE#%x (%lld)\n",
+                          __func__, hose->global_number, pe->addr, ret);
                return -EIO;
        }