[PATCH 3/9] net/txgbe: remove semaphore between SW/FW

[Jiawen Wu]

Since firmware does not use the semaphore between software and firmware.
Remove useless unilateral semaphore setting.

Fixes: 35c90ecccfd4 ("net/txgbe: add EEPROM functions")
Cc: sta...@dpdk.org

Signed-off-by: Jiawen Wu <jiawe...@trustnetic.com>
---
 drivers/net/txgbe/base/txgbe_eeprom.c | 32 ---------------------------
 1 file changed, 32 deletions(-)

diff --git a/drivers/net/txgbe/base/txgbe_eeprom.c 
b/drivers/net/txgbe/base/txgbe_eeprom.c
index 4ed6bd6728..aeeae06dfc 100644
--- a/drivers/net/txgbe/base/txgbe_eeprom.c
+++ b/drivers/net/txgbe/base/txgbe_eeprom.c
@@ -111,37 +111,6 @@ s32 txgbe_get_eeprom_semaphore(struct txgbe_hw *hw)
                        status = 0;
        }
 
-       /* Now get the semaphore between SW/FW through the SWESMBI bit */
-       if (status == 0) {
-               for (i = 0; i < timeout; i++) {
-                       /* Set the SW EEPROM semaphore bit to request access */
-                       wr32m(hw, TXGBE_MNGSWSYNC,
-                               TXGBE_MNGSWSYNC_REQ, TXGBE_MNGSWSYNC_REQ);
-
-                       /*
-                        * If we set the bit successfully then we got the
-                        * semaphore.
-                        */
-                       swsm = rd32(hw, TXGBE_MNGSWSYNC);
-                       if (swsm & TXGBE_MNGSWSYNC_REQ)
-                               break;
-
-                       usec_delay(50);
-               }
-
-               /*
-                * Release semaphores and return error if SW EEPROM semaphore
-                * was not granted because we don't have access to the EEPROM
-                */
-               if (i >= timeout) {
-                       DEBUGOUT("SWESMBI Software EEPROM semaphore not 
granted.");
-                       txgbe_release_eeprom_semaphore(hw);
-                       status = TXGBE_ERR_EEPROM;
-               }
-       } else {
-               DEBUGOUT("Software semaphore SMBI between device drivers not 
granted.");
-       }
-
        return status;
 }
 
@@ -153,7 +122,6 @@ s32 txgbe_get_eeprom_semaphore(struct txgbe_hw *hw)
  **/
 void txgbe_release_eeprom_semaphore(struct txgbe_hw *hw)
 {
-       wr32m(hw, TXGBE_MNGSWSYNC, TXGBE_MNGSWSYNC_REQ, 0);
        wr32m(hw, TXGBE_SWSEM, TXGBE_SWSEM_PF, 0);
        txgbe_flush(hw);
 }
-- 
2.27.0