[PATCH] IB/mthca: print assigned IRQ when interrupt test fails

Print IRQ number when NOP command interrupt test fails to help debugging.

Signed-off-by: Roland Dreier <roland@topspin.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/infiniband/hw/mthca/mthca_main.c b/drivers/infiniband/hw/mthca/mthca_main.c
index 8bd2e3af016d..144aed417faa 100644
--- a/drivers/infiniband/hw/mthca/mthca_main.c
+++ b/drivers/infiniband/hw/mthca/mthca_main.c
@@ -672,7 +672,10 @@ static int __devinit mthca_setup_hca(struct mthca_dev *dev)
 
         err = mthca_NOP(dev, &status);
         if (err || status) {
-                mthca_err(dev, "NOP command failed to generate interrupt, aborting.\n");
+                mthca_err(dev, "NOP command failed to generate interrupt (IRQ %d), aborting.\n",
+                          dev->mthca_flags & MTHCA_FLAG_MSI_X ?
+                          dev->eq_table.eq[MTHCA_EQ_CMD].msi_x_vector :
+                          dev->pdev->irq);
                 if (dev->mthca_flags & (MTHCA_FLAG_MSI | MTHCA_FLAG_MSI_X))
                         mthca_err(dev, "Try again with MSI/MSI-X disabled.\n");
                 else