From mboxrd@z Thu Jan 1 00:00:00 1970 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=-17.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 089B7C433FE for ; Thu, 9 Sep 2021 12:46:47 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id CB09961059 for ; Thu, 9 Sep 2021 12:46:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org CB09961059 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=DELjyBzOWKd1V9wv42LgnCY2BaeaBio3N0AnjFoCx8s=; b=FB44ro8gjI2nT6 mFt10d5qjx3UNVkGiYxs7ansPxBEMyOiultMJvCWg+4OCuFbvj5PQnQI6oyaSL03n0IyTs2MOLymN AHLf9/SXu24aA56EUFqE8q9+JC8xxwFUuzFqjzUBptkzr90/3XMyrgHDpl5yZr9uXYhz9z1ADQbBi lHzrRBQiINEsHfB0m7TiJem0whOO1sS7wR+34sKfzuriptmlGAxaotmRDXEATAd3F6AA7YhxowxI/ c1aaDIu8Lbth9+I/7XX1+4pXxInT5WAtnleupwjd89BsBUbyIBT+Dra8nYkMcakFUkfli+xpU8y0d F7bnFDftfDn/dQg5/oHw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mOJQJ-009XuV-1Y; Thu, 09 Sep 2021 12:44:59 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mOIbA-0099Ff-Ab for linux-arm-kernel@lists.infradead.org; Thu, 09 Sep 2021 11:52:10 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id A17CF61B30; Thu, 9 Sep 2021 11:52:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1631188327; bh=jx3iPFxkRDrPIG54QGHiyXX9r1sllxvnwVHKPI+4HlE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=tI+tgAPTis0uKBWcyCp/744nnOXINiMIBmk7tLPZDhagYrNG+Ev5A58JXRnzsMSMq orowA3YfoLOOLUYL3waaAB4w/cv25KJVKjZNWMyP2VU8oXcOts0etnwsS1avbAulhO TY+XUJYJk4xMqmAqD8dYlziWqtOsXKJ7kwXxuXdG5+M9JaiRBuldk1Bfd+H8oyOD8Z QicOKS7cAsm56xHTxRG/G1YG6s8N0LKJ0h3gYnLIMS+GcPOIFpW3Z6p7bcVZuAhiKf wc78J3EKnKP89NOfkzaZp+mVrh0UXD8eJPUH4BWbnw+iCIKguHun1Ghel4pVfosxHW kyBt47qYHjfxw== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Robin Gong , Lucas Stach , Mark Brown , Shawn Guo , Sasha Levin , linux-spi@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH AUTOSEL 5.10 038/176] spi: imx: fix ERR009165 Date: Thu, 9 Sep 2021 07:49:00 -0400 Message-Id: <20210909115118.146181-38-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210909115118.146181-1-sashal@kernel.org> References: <20210909115118.146181-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210909_045208_454248_45F0E1A9 X-CRM114-Status: GOOD ( 12.32 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Robin Gong [ Upstream commit 980f884866eed4dda2a18de888c5a67dde67d640 ] Change to XCH mode even in dma mode, please refer to the below errata: https://www.nxp.com/docs/en/errata/IMX6DQCE.pdf Signed-off-by: Robin Gong Reviewed-by: Lucas Stach Acked-by: Mark Brown Signed-off-by: Shawn Guo Signed-off-by: Sasha Levin --- drivers/spi/spi-imx.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c index 0e3bc0b0a526..2652130eda6a 100644 --- a/drivers/spi/spi-imx.c +++ b/drivers/spi/spi-imx.c @@ -622,8 +622,8 @@ static int mx51_ecspi_prepare_transfer(struct spi_imx_data *spi_imx, ctrl |= mx51_ecspi_clkdiv(spi_imx, spi_imx->spi_bus_clk, &clk); spi_imx->spi_bus_clk = clk; - if (spi_imx->usedma) - ctrl |= MX51_ECSPI_CTRL_SMC; + /* ERR009165: work in XHC mode as PIO */ + ctrl &= ~MX51_ECSPI_CTRL_SMC; writel(ctrl, spi_imx->base + MX51_ECSPI_CTRL); @@ -637,7 +637,7 @@ static void mx51_setup_wml(struct spi_imx_data *spi_imx) * and enable DMA request. */ writel(MX51_ECSPI_DMA_RX_WML(spi_imx->wml - 1) | - MX51_ECSPI_DMA_TX_WML(spi_imx->wml) | + MX51_ECSPI_DMA_TX_WML(0) | MX51_ECSPI_DMA_RXT_WML(spi_imx->wml) | MX51_ECSPI_DMA_TEDEN | MX51_ECSPI_DMA_RXDEN | MX51_ECSPI_DMA_RXTDEN, spi_imx->base + MX51_ECSPI_DMA); @@ -1280,10 +1280,6 @@ static int spi_imx_sdma_init(struct device *dev, struct spi_imx_data *spi_imx, { int ret; - /* use pio mode for i.mx6dl chip TKT238285 */ - if (of_machine_is_compatible("fsl,imx6dl")) - return 0; - spi_imx->wml = spi_imx->devtype_data->fifo_size / 2; /* Prepare for TX DMA: */ -- 2.30.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel