qlcnic: backout firmware initialization update

[pandora-kernel.git] / drivers / net / qlcnic / qlcnic_init.c

diff --git a/drivers/net/qlcnic/qlcnic_init.c b/drivers/net/qlcnic/qlcnic_init.c
index eb8256b..8e0e7a3 100644 (file)
--- a/drivers/net/qlcnic/qlcnic_init.c
+++ b/drivers/net/qlcnic/qlcnic_init.c
@@ -46,6 +46,9 @@ static void
 qlcnic_post_rx_buffers_nodb(struct qlcnic_adapter *adapter,
                struct qlcnic_host_rds_ring *rds_ring);
 
+static int
+qlcnic_check_fw_hearbeat(struct qlcnic_adapter *adapter);
+
 static void crb_addr_transform_setup(void)
 {
        crb_addr_transform(XDMA);
@@ -544,31 +547,77 @@ int qlcnic_pinit_from_rom(struct qlcnic_adapter *adapter)
        return 0;
 }
 
-int
-qlcnic_check_fw_status(struct qlcnic_adapter *adapter)
+static int qlcnic_cmd_peg_ready(struct qlcnic_adapter *adapter)
 {
-       u32 heartbit, cmdpeg_state, ret = -EIO;
-       int retries = QLCNIC_HEARTBEAT_RETRY_COUNT;
+       u32 val;
+       int retries = QLCNIC_CMDPEG_CHECK_RETRY_COUNT;
 
-       adapter->heartbit = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
        do {
-               msleep(QLCNIC_HEARTBEAT_PERIOD_MSECS);
-               heartbit = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
-               if (heartbit != adapter->heartbit) {
-                       cmdpeg_state = QLCRD32(adapter, CRB_CMDPEG_STATE);
-                       /* Ensure peg states are initialized */
-                       if (cmdpeg_state == PHAN_INITIALIZE_COMPLETE ||
-                               cmdpeg_state == PHAN_INITIALIZE_ACK) {
-                               /* Complete firmware handshake */
-                               QLCWR32(adapter, CRB_CMDPEG_STATE,
-                                       PHAN_INITIALIZE_ACK);
-                               ret = QLCNIC_RCODE_SUCCESS;
-                               break;
-                       }
+               val = QLCRD32(adapter, CRB_CMDPEG_STATE);
+
+               switch (val) {
+               case PHAN_INITIALIZE_COMPLETE:
+               case PHAN_INITIALIZE_ACK:
+                       return 0;
+               case PHAN_INITIALIZE_FAILED:
+                       goto out_err;
+               default:
+                       break;
                }
+
+               msleep(QLCNIC_CMDPEG_CHECK_DELAY);
+
        } while (--retries);
 
-       return ret;
+       QLCWR32(adapter, CRB_CMDPEG_STATE, PHAN_INITIALIZE_FAILED);
+
+out_err:
+       dev_err(&adapter->pdev->dev, "Command Peg initialization not "
+                     "complete, state: 0x%x.\n", val);
+       return -EIO;
+}
+
+static int
+qlcnic_receive_peg_ready(struct qlcnic_adapter *adapter)
+{
+       u32 val;
+       int retries = QLCNIC_RCVPEG_CHECK_RETRY_COUNT;
+
+       do {
+               val = QLCRD32(adapter, CRB_RCVPEG_STATE);
+
+               if (val == PHAN_PEG_RCV_INITIALIZED)
+                       return 0;
+
+               msleep(QLCNIC_RCVPEG_CHECK_DELAY);
+
+       } while (--retries);
+
+       if (!retries) {
+               dev_err(&adapter->pdev->dev, "Receive Peg initialization not "
+                             "complete, state: 0x%x.\n", val);
+               return -EIO;
+       }
+
+       return 0;
+}
+
+int
+qlcnic_check_fw_status(struct qlcnic_adapter *adapter)
+{
+       int err;
+
+       err = qlcnic_cmd_peg_ready(adapter);
+       if (err)
+               return err;
+
+       err = qlcnic_receive_peg_ready(adapter);
+       if (err)
+               return err;
+
+       QLCWR32(adapter, CRB_CMDPEG_STATE, PHAN_INITIALIZE_ACK);
+
+       return err;
 }
 
 int
@@ -943,12 +992,32 @@ static void qlcnic_rom_lock_recovery(struct qlcnic_adapter *adapter)
        qlcnic_pcie_sem_unlock(adapter, 2);
 }
 
+static int
+qlcnic_check_fw_hearbeat(struct qlcnic_adapter *adapter)
+{
+       u32 heartbeat, ret = -EIO;
+       int retries = QLCNIC_HEARTBEAT_CHECK_RETRY_COUNT;
+
+       adapter->heartbeat = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
+
+       do {
+               msleep(QLCNIC_HEARTBEAT_PERIOD_MSECS);
+               heartbeat = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
+               if (heartbeat != adapter->heartbeat) {
+                       ret = QLCNIC_RCODE_SUCCESS;
+                       break;
+               }
+       } while (--retries);
+
+       return ret;
+}
+
 int
 qlcnic_need_fw_reset(struct qlcnic_adapter *adapter)
 {
        u32 val, version, major, minor, build;
 
-       if (qlcnic_check_fw_status(adapter)) {
+       if (qlcnic_check_fw_hearbeat(adapter)) {
                qlcnic_rom_lock_recovery(adapter);
                return 1;
        }