From patchwork Mon Mar 15 13:52:00 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 401543 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 769A2C2BB85 for ; Mon, 15 Mar 2021 13:58:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5AE6664F2E for ; Mon, 15 Mar 2021 13:58:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232358AbhCON62 (ORCPT ); Mon, 15 Mar 2021 09:58:28 -0400 Received: from mail.kernel.org ([198.145.29.99]:35462 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232206AbhCON5z (ORCPT ); Mon, 15 Mar 2021 09:57:55 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 5343764EF3; Mon, 15 Mar 2021 13:57:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1615816675; bh=ywmH/FuJgV0z5wgRWqx9jwCb0RCD3L65oqObmzsVKOw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=m/186hsFnnJ8Id+Bq1eMxPvzmfiOV4YGS9866NECSJwM+pq/cAEDJ+PNzPkCbHexO PYB3ikPzJUmz8ALLLp79Ke7QMGcCZLl/H0d/31WlM/azW2uMeS5r7B/yfrkw4dvJwj fTOAmOotOL1a1LX/QtggosVTVs54WYGAJ6h2GBII= From: gregkh@linuxfoundation.org To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Ong Boon Leong , Ramesh Babu B , "David S. Miller" Subject: [PATCH 5.11 057/306] net: stmmac: fix incorrect DMA channel intr enable setting of EQoS v4.10 Date: Mon, 15 Mar 2021 14:52:00 +0100 Message-Id: <20210315135509.577263897@linuxfoundation.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210315135507.611436477@linuxfoundation.org> References: <20210315135507.611436477@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Greg Kroah-Hartman From: Ong Boon Leong commit 879c348c35bb5fb758dd881d8a97409c1862dae8 upstream. We introduce dwmac410_dma_init_channel() here for both EQoS v4.10 and above which use different DMA_CH(n)_Interrupt_Enable bit definitions for NIE and AIE. Fixes: 48863ce5940f ("stmmac: add DMA support for GMAC 4.xx") Signed-off-by: Ong Boon Leong Signed-off-by: Ramesh Babu B Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c @@ -124,6 +124,23 @@ static void dwmac4_dma_init_channel(void ioaddr + DMA_CHAN_INTR_ENA(chan)); } +static void dwmac410_dma_init_channel(void __iomem *ioaddr, + struct stmmac_dma_cfg *dma_cfg, u32 chan) +{ + u32 value; + + /* common channel control register config */ + value = readl(ioaddr + DMA_CHAN_CONTROL(chan)); + if (dma_cfg->pblx8) + value = value | DMA_BUS_MODE_PBL; + + writel(value, ioaddr + DMA_CHAN_CONTROL(chan)); + + /* Mask interrupts by writing to CSR7 */ + writel(DMA_CHAN_INTR_DEFAULT_MASK_4_10, + ioaddr + DMA_CHAN_INTR_ENA(chan)); +} + static void dwmac4_dma_init(void __iomem *ioaddr, struct stmmac_dma_cfg *dma_cfg, int atds) { @@ -523,7 +540,7 @@ const struct stmmac_dma_ops dwmac4_dma_o const struct stmmac_dma_ops dwmac410_dma_ops = { .reset = dwmac4_dma_reset, .init = dwmac4_dma_init, - .init_chan = dwmac4_dma_init_channel, + .init_chan = dwmac410_dma_init_channel, .init_rx_chan = dwmac4_dma_init_rx_chan, .init_tx_chan = dwmac4_dma_init_tx_chan, .axi = dwmac4_dma_axi,