diff options
author | Harish Patil <harish.patil@qlogic.com> | 2014-02-21 19:20:14 +0100 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2014-02-25 00:43:19 +0100 |
commit | 1a51042bb8fc6317270bb70daf5eb1c57002340a (patch) | |
tree | 2ab14ed0f335cbf4c06264a68ec5487c4ddee98e | |
parent | qlcnic: Allow vlan0 traffic (diff) | |
download | linux-1a51042bb8fc6317270bb70daf5eb1c57002340a.tar.xz linux-1a51042bb8fc6317270bb70daf5eb1c57002340a.zip |
qlcnic: Enhance semaphore lock access failure error message
Signed-off-by: Harish Patil <harish.patil@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r-- | drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c index 03d18a0be6ce..9f3adf4e70b5 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c @@ -317,9 +317,7 @@ static void qlcnic_write_window_reg(u32 addr, void __iomem *bar0, u32 data) int qlcnic_pcie_sem_lock(struct qlcnic_adapter *adapter, int sem, u32 id_reg) { - int timeout = 0; - int err = 0; - u32 done = 0; + int timeout = 0, err = 0, done = 0; while (!done) { done = QLCRD32(adapter, QLCNIC_PCIE_REG(PCIE_SEM_LOCK(sem)), @@ -327,10 +325,20 @@ qlcnic_pcie_sem_lock(struct qlcnic_adapter *adapter, int sem, u32 id_reg) if (done == 1) break; if (++timeout >= QLCNIC_PCIE_SEM_TIMEOUT) { - dev_err(&adapter->pdev->dev, - "Failed to acquire sem=%d lock; holdby=%d\n", - sem, - id_reg ? QLCRD32(adapter, id_reg, &err) : -1); + if (id_reg) { + done = QLCRD32(adapter, id_reg, &err); + if (done != -1) + dev_err(&adapter->pdev->dev, + "Failed to acquire sem=%d lock held by=%d\n", + sem, done); + else + dev_err(&adapter->pdev->dev, + "Failed to acquire sem=%d lock", + sem); + } else { + dev_err(&adapter->pdev->dev, + "Failed to acquire sem=%d lock", sem); + } return -EIO; } msleep(1); |