From mboxrd@z Thu Jan 1 00:00:00 1970 From: Biao Huang Subject: [v2, PATCH 3/4] net: stmmac: write the modified value back to MTL_OPERATION_MODE Date: Tue, 14 May 2019 10:28:52 +0800 Message-ID: <1557800933-30759-4-git-send-email-biao.huang@mediatek.com> References: <1557800933-30759-1-git-send-email-biao.huang@mediatek.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1557800933-30759-1-git-send-email-biao.huang@mediatek.com> Sender: linux-kernel-owner@vger.kernel.org To: Jose Abreu , davem@davemloft.net Cc: Giuseppe Cavallaro , Alexandre Torgue , Maxime Coquelin , Matthias Brugger , netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, yt.shen@mediatek.com, biao.huang@mediatek.com, jianguo.zhang@mediatek.com List-Id: linux-mediatek@lists.infradead.org The value of MTL_OPERATION_MODE is modified, and should be write back to the register. Signed-off-by: Biao Huang --- drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c index 7e5d5db..b4bb562 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c @@ -192,6 +192,8 @@ static void dwmac4_prog_mtl_tx_algorithms(struct mac_device_info *hw, default: break; } + + writel(value, ioaddr + MTL_OPERATION_MODE); } static void dwmac4_set_mtl_tx_queue_weight(struct mac_device_info *hw, -- 1.7.9.5