| Message ID | 20210225090114.17562-2-qiangqing.zhang@nxp.com |
|---|---|
| State | New |
| Headers | show
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Thu, 25 Feb 2021 09:01:32 +0000 From: Joakim Zhang <qiangqing.zhang@nxp.com> To: peppe.cavallaro@st.com, alexandre.torgue@st.com, joabreu@synopsys.com, davem@davemloft.net, kuba@kernel.org Cc: netdev@vger.kernel.org, linux-imx@nxp.com Subject: [PATCH V5 net 1/5] net: stmmac: stop each tx channel independently Date: Thu, 25 Feb 2021 17:01:10 +0800 Message-Id: <20210225090114.17562-2-qiangqing.zhang@nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210225090114.17562-1-qiangqing.zhang@nxp.com> References: <20210225090114.17562-1-qiangqing.zhang@nxp.com> Content-Type: text/plain X-Originating-IP: [119.31.174.71] X-ClientProxiedBy: MA1PR0101CA0036.INDPRD01.PROD.OUTLOOK.COM (2603:1096:a00:22::22) To DB8PR04MB6795.eurprd04.prod.outlook.com (2603:10a6:10:fa::15) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (119.31.174.71) by MA1PR0101CA0036.INDPRD01.PROD.OUTLOOK.COM (2603:1096:a00:22::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3890.19 via Frontend Transport; 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ethernet: fixes for stmmac driver
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expand
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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)
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 <qiangqing.zhang@nxp.com> --- drivers/net/ethernet/stmicro/stmmac/dwmac4_lib.c | 4 ---- 1 file changed, 4 deletions(-)