[PATCH V4 net 1/5] net: stmmac: stop each tx channel independently
From: Joakim Zhang <hidden>
Date: 2021-02-04 11:23:10
Subsystem:
networking drivers, stmmac ethernet driver, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
If clear GMAC_CONFIG_TE bit, it would stop all tx channels, but users
may only want to stop specific tx channel.
Fixes: 48863ce5940f ("stmmac: add DMA support for GMAC 4.xx")
Signed-off-by: Joakim Zhang <redacted>
---
drivers/net/ethernet/stmicro/stmmac/dwmac4_lib.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_lib.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_lib.c
index 0b4ee2dbb691..71e50751ef2d 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_lib.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_lib.c@@ -53,10 +53,6 @@ void dwmac4_dma_stop_tx(void __iomem *ioaddr, u32 chan) value &= ~DMA_CONTROL_ST; writel(value, ioaddr + DMA_CHAN_TX_CONTROL(chan)); - - value = readl(ioaddr + GMAC_CONFIG); - value &= ~GMAC_CONFIG_TE; - writel(value, ioaddr + GMAC_CONFIG); } void dwmac4_dma_start_rx(void __iomem *ioaddr, u32 chan)
--
2.17.1