From 1a51042bb8fc6317270bb70daf5eb1c57002340a Mon Sep 17 00:00:00 2001 From: Harish Patil Date: Fri, 21 Feb 2014 13:20:14 -0500 Subject: [PATCH] qlcnic: Enhance semaphore lock access failure error message Signed-off-by: Harish Patil Signed-off-by: David S. Miller --- .../net/ethernet/qlogic/qlcnic/qlcnic_hw.c | 22 +++++++++++++------ 1 file 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); -- 2.30.2