[U-Boot] [Patch 3/3] e1000: remove unnecessary clearing of SWSM.SWSM_SMBI

Tim Harvey tharvey at gateworks.com
Tue May 19 19:01:20 CEST 2015


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 <marcel at ziswiler.com>
Cc: Marek Vasut <marex at denx.de>
Cc: Aneesh Bansal <aneesh.bansal at freescale.com>
Cc: Naveen Burmi <NaveenBurmi at freescale.com>
Cc: Po Liu <po.liu at freescale.com>
Cc: Bin Meng <bmeng.cn at gmail.com>
Cc: Alison Wang <alison.wang at freescale.com>
Cc: Reinhard Arlt <reinhard.arlt at esd-electronics.com>
Cc: Shengzhou Liu  <Shengzhou.Liu at freescale.com>
Cc: York Sun <yorksun at freescale.com>
Signed-off-by: Tim Harvey <tharvey at gateworks.com>
---
 drivers/net/e1000.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/net/e1000.c b/drivers/net/e1000.c
index f960024..a78ffc4 100644
--- 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;
 
-- 
1.9.1



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