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=-8.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 EE400CA9EA0 for ; Fri, 18 Oct 2019 09:01:53 +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 BF0062064B for ; Fri, 18 Oct 2019 09:01:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="SvNS+MOJ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BF0062064B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=gjwpkkR3OsddgHcpjaTBaiFavDNi3fN1L7vYNI2bHhc=; b=SvNS+MOJc5bevC fAia80vBF8uKp9L29ec6yvIEY7JYkpLBcJ/+BfqLj9nLD7N21iz3J499p8uzx2nd4Fxwa+gSFDzMx 8HanKQXYW54m2UBDKasRXLeJU3UFmbgU54erlgtZyk7B4is+XC61v9yO05FjrQRVjmCfGmbkQ+Jlh b/WEWtDYsW6mokWx033yzgO+o2ovPB8V1bD7UhOJqjKOJLHvXjQ/3OR15mgrtXHweaH960q4Nea4R Bmz/L6vYWJlLXe2DeyTFdAOib/k2XvHPkAKunlHmTKj8NRVkJB5VPU5kIKdJQjdRnORo0/a8aw3Tq +qbXNqoAk7xoWmgN+bXw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iLO8p-00041Z-57; Fri, 18 Oct 2019 09:01:47 +0000 Received: from [217.140.110.172] (helo=foss.arm.com) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iLO8m-0003xQ-EW for linux-arm-kernel@lists.infradead.org; Fri, 18 Oct 2019 09:01:45 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id B1096492; Fri, 18 Oct 2019 02:01:33 -0700 (PDT) Received: from e121166-lin.cambridge.arm.com (unknown [10.1.196.255]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id E39F53F718; Fri, 18 Oct 2019 02:01:31 -0700 (PDT) Date: Fri, 18 Oct 2019 10:01:27 +0100 From: Lorenzo Pieralisi To: Vidya Sagar Subject: Re: [PATCH 1/2] PCI: tegra: Fix CLKREQ dependency programming Message-ID: <20191018090127.GA25918@e121166-lin.cambridge.arm.com> References: <20191005164212.3646-1-vidyas@nvidia.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20191005164212.3646-1-vidyas@nvidia.com> User-Agent: Mutt/1.9.4 (2018-02-28) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191018_020144_530750_37614E8B X-CRM114-Status: GOOD ( 13.91 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, mmaddireddy@nvidia.com, kthota@nvidia.com, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, jonathanh@nvidia.com, linux-tegra@vger.kernel.org, robh+dt@kernel.org, thierry.reding@gmail.com, bhelgaas@google.com, andrew.murray@arm.com, linux-arm-kernel@lists.infradead.org, sagar.tv@gmail.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sat, Oct 05, 2019 at 10:12:11PM +0530, Vidya Sagar wrote: > Corrects the programming to provide REFCLK to the downstream device > when there is no CLKREQ sideband signal routing present from root port > to the endpont. > > Signed-off-by: Vidya Sagar > --- > drivers/pci/controller/dwc/pcie-tegra194.c | 6 ++---- > 1 file changed, 2 insertions(+), 4 deletions(-) Applied to pci/tegra, thanks. Lorenzo > diff --git a/drivers/pci/controller/dwc/pcie-tegra194.c b/drivers/pci/controller/dwc/pcie-tegra194.c > index f89f5acee72d..cbe95f0ea0ca 100644 > --- a/drivers/pci/controller/dwc/pcie-tegra194.c > +++ b/drivers/pci/controller/dwc/pcie-tegra194.c > @@ -40,8 +40,6 @@ > #define APPL_PINMUX_CLKREQ_OVERRIDE BIT(3) > #define APPL_PINMUX_CLK_OUTPUT_IN_OVERRIDE_EN BIT(4) > #define APPL_PINMUX_CLK_OUTPUT_IN_OVERRIDE BIT(5) > -#define APPL_PINMUX_CLKREQ_OUT_OVRD_EN BIT(9) > -#define APPL_PINMUX_CLKREQ_OUT_OVRD BIT(10) > > #define APPL_CTRL 0x4 > #define APPL_CTRL_SYS_PRE_DET_STATE BIT(6) > @@ -1193,8 +1191,8 @@ static int tegra_pcie_config_controller(struct tegra_pcie_dw *pcie, > > if (!pcie->supports_clkreq) { > val = appl_readl(pcie, APPL_PINMUX); > - val |= APPL_PINMUX_CLKREQ_OUT_OVRD_EN; > - val |= APPL_PINMUX_CLKREQ_OUT_OVRD; > + val |= APPL_PINMUX_CLKREQ_OVERRIDE_EN; > + val &= ~APPL_PINMUX_CLKREQ_OVERRIDE; > appl_writel(pcie, val, APPL_PINMUX); > } > > -- > 2.17.1 > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel