netdev - [PATCH 2/6] ethernet: stmmac: stop each tx channal independently

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20210111113538.12077-3-qiangqing.zhang@nxp.com>
Date:   Mon, 11 Jan 2021 19:35:34 +0800
From:   Joakim Zhang <qiangqing.zhang@....com>
To:     peppe.cavallaro@...com, alexandre.torgue@...com,
        joabreu@...opsys.com, davem@...emloft.net, kuba@...nel.org
Cc:     netdev@...r.kernel.org, linux-imx@....com
Subject: [PATCH 2/6] ethernet: stmmac: stop each tx channal independently

If clear GMAC_CONFIG_TE bit, it would stop all tx channals, but users
may only want to stop secific tx channel.

Fixes: 48863ce5940f ("stmmac: add DMA support for GMAC 4.xx")
Signed-off-by: Joakim Zhang <qiangqing.zhang@....com>
---
 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