diff mbox series

[net,05/11] net: stmmac: xgmac: Fix TSA selection

Message ID c1342c865938cc087d5c9400bbe11b71cd6c0062.1573052379.git.Jose.Abreu@synopsys.com (mailing list archive)
State Mainlined
Commit 97add93fbcfa566735d6a4b96684110d356ebd35
Headers show
Series net: stmmac: Fixes for -net | expand

Commit Message

Jose Abreu Nov. 6, 2019, 3:02 p.m. UTC 
When we change between Transmission Scheduling Algorithms, we need to
clear previous values so that the new chosen algorithm is correctly
selected.

Fixes: ec6ea8e3eee9 ("net: stmmac: Add CBS support in XGMAC2")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>

---
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Cc: Jose Abreu <joabreu@synopsys.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: netdev@vger.kernel.org
Cc: linux-stm32@st-md-mailman.stormreply.com
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
---
 drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
index 01075a955c66..070bd7d1ae4c 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
@@ -224,6 +224,7 @@  static void dwxgmac2_config_cbs(struct mac_device_info *hw,
 	writel(low_credit, ioaddr + XGMAC_MTL_TCx_LOCREDIT(queue));
 
 	value = readl(ioaddr + XGMAC_MTL_TCx_ETS_CONTROL(queue));
+	value &= ~XGMAC_TSA;
 	value |= XGMAC_CC | XGMAC_CBS;
 	writel(value, ioaddr + XGMAC_MTL_TCx_ETS_CONTROL(queue));
 }