UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

net: stmmac: xgmac: Fix TSA selection 

When we change between Transmission Scheduling Algorithms, we need to
clear previous values so that the new chosen algorithm is correctly
selected.

Fixes: ec6ea8e3ee ("net: stmmac: Add CBS support in XGMAC2")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jose Abreu 2019-11-06 16:02:59 +01:00 committed by David S. Miller
parent 96147375d4
commit 97add93fbc
1 changed files with 1 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
View File

@ -224,6 +224,7 @@ static void dwxgmac2_config_cbs(struct mac_device_info *hw,
writel(low_credit, ioaddr + XGMAC_MTL_TCx_LOCREDIT(queue)); writel(low_credit, ioaddr + XGMAC_MTL_TCx_LOCREDIT(queue));
value = readl(ioaddr + XGMAC_MTL_TCx_ETS_CONTROL(queue)); value = readl(ioaddr + XGMAC_MTL_TCx_ETS_CONTROL(queue));
value &= ~XGMAC_TSA;
value |= XGMAC_CC | XGMAC_CBS; value |= XGMAC_CC | XGMAC_CBS;
writel(value, ioaddr + XGMAC_MTL_TCx_ETS_CONTROL(queue)); writel(value, ioaddr + XGMAC_MTL_TCx_ETS_CONTROL(queue));
} }