qlcnic: Reset firmware API lock at driver load time
authorSony Chacko <sony.chacko@qlogic.com>
Wed, 23 Apr 2014 13:59:55 +0000 (09:59 -0400)
committerDavid S. Miller <davem@davemloft.net>
Thu, 24 Apr 2014 17:31:14 +0000 (13:31 -0400)
Some firmware versions fails to reset the lock during
initialization. Force reset firmware API lock during driver
probe to ensure lock availability.

Signed-off-by: Sony Chacko <sony.chacko@qlogic.com>
Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c

index dbf75393f758a153ccecfe2a8e49edb13dc8ff9a..0bc914859e38be2c52e070edb82061fa2a6a1e48 100644 (file)
@@ -2374,6 +2374,14 @@ void qlcnic_set_drv_version(struct qlcnic_adapter *adapter)
                qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd);
 }
 
+/* Reset firmware API lock */
+static void qlcnic_reset_api_lock(struct qlcnic_adapter *adapter)
+{
+       qlcnic_api_lock(adapter);
+       qlcnic_api_unlock(adapter);
+}
+
+
 static int
 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
@@ -2476,6 +2484,7 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
        if (qlcnic_82xx_check(adapter)) {
                qlcnic_check_vf(adapter, ent);
                adapter->portnum = adapter->ahw->pci_func;
+               qlcnic_reset_api_lock(adapter);
                err = qlcnic_start_firmware(adapter);
                if (err) {
                        dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"