e1000: remove unnecessary clearing of SWSM.SWSM_SMBI

remove unnecessary clearing of SWSM.SWSM_SMBI when obtaining the SW
semaphore. This was introduced in 951860634fdb557bbb58e0f99215391bc0c29779
while adding i210 support and should be now resolved by releasing the
semaphore when no longer needed.

Cc: Marcel Ziswiler <[email protected]>
Cc: Marek Vasut <[email protected]>
Cc: Aneesh Bansal <[email protected]>
Cc: Naveen Burmi <[email protected]>
Cc: Po Liu <[email protected]>
Cc: Bin Meng <[email protected]>
Cc: Alison Wang <[email protected]>
Cc: Reinhard Arlt <[email protected]>
Cc: Shengzhou Liu <[email protected]>
Cc: York Sun <[email protected]>
Signed-off-by: Tim Harvey <[email protected]>
Tested-by: Bin Meng <[email protected]>
Tested-by: Marcel Ziswiler <[email protected]>

diff --git a/drivers/net/e1000.c b/drivers/net/e1000.c
index 739d24b28012864106e61b2da8d138b8a304595c..ecd1a52e476add55925dd92f6b311748d6f07f86 100644 (file)
--- a/drivers/net/e1000.c
+++ b/drivers/net/e1000.c
@@ -996,10 +996,6 @@ e1000_get_software_semaphore(struct e1000_hw *hw)
 
        DEBUGFUNC();
 
-               swsm = E1000_READ_REG(hw, SWSM);
-               swsm &= ~E1000_SWSM_SMBI;
-               E1000_WRITE_REG(hw, SWSM, swsm);
-
        if (hw->mac_type != e1000_80003es2lan)
                return E1000_SUCCESS;