bnx2: Dump some config space registers during TX timeout.

These config register values will be useful when the memory registers
are returning 0xffffffff which has been reported.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 8 insertions, 3 deletions

diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index 1450c75bc19d..bf5302026d78 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -6313,9 +6313,14 @@ static void
 bnx2_dump_state(struct bnx2 *bp)
 {
         struct net_device *dev = bp->dev;
-        u32 mcp_p0, mcp_p1;
-
-        netdev_err(dev, "DEBUG: intr_sem[%x]\n", atomic_read(&bp->intr_sem));
+        u32 mcp_p0, mcp_p1, val1, val2;
+
+        pci_read_config_dword(bp->pdev, PCI_COMMAND, &val1);
+        netdev_err(dev, "DEBUG: intr_sem[%x] PCI_CMD[%08x]\n",
+                   atomic_read(&bp->intr_sem), val1);
+        pci_read_config_dword(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &val1);
+        pci_read_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, &val2);
+        netdev_err(dev, "DEBUG: PCI_PM[%08x] PCI_MISC_CFG[%08x]\n", val1, val2);
         netdev_err(dev, "DEBUG: EMAC_TX_STATUS[%08x] EMAC_RX_STATUS[%08x]\n",
                    REG_RD(bp, BNX2_EMAC_TX_STATUS),
                    REG_RD(bp, BNX2_EMAC_RX_STATUS));