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authorSony Chacko <sony.chacko@qlogic.com>2014-04-23 09:59:55 -0400
committerDavid S. Miller <davem@davemloft.net>2014-04-24 13:31:14 -0400
commit2c97e9e2633f3a4a3a301e5071fb0fe0d0d7543b (patch)
tree242df4746a7f582d3822fdd9713fcb760a849211 /drivers/net/ethernet/qlogic/qlcnic
parented2da03c6907800871234f5cae42db7d80de8dfc (diff)
downloadblackbird-op-linux-2c97e9e2633f3a4a3a301e5071fb0fe0d0d7543b.tar.gz
blackbird-op-linux-2c97e9e2633f3a4a3a301e5071fb0fe0d0d7543b.zip
qlcnic: Reset firmware API lock at driver load time
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>
Diffstat (limited to 'drivers/net/ethernet/qlogic/qlcnic')
-rw-r--r--drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
index dbf75393f758..0bc914859e38 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
@@ -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"
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