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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F0A1AC433F5 for ; Sat, 25 Sep 2021 20:38:07 +0000 (UTC) Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 3D4FC60F4C for ; Sat, 25 Sep 2021 20:38:07 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 3D4FC60F4C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=lists.denx.de Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 5E8C6835A1; Sat, 25 Sep 2021 22:37:57 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de Authentication-Results: phobos.denx.de; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="OTZZs3yB"; dkim-atps=neutral Received: by phobos.denx.de (Postfix, from userid 109) id B66D083582; Sat, 25 Sep 2021 22:37:32 +0200 (CEST) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id C65028359A for ; Sat, 25 Sep 2021 22:37:18 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=kabel@kernel.org Received: by mail.kernel.org (Postfix) with ESMTPSA id 84890610CE; Sat, 25 Sep 2021 20:37:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1632602237; bh=PWtvZAWehvq3KJjcLGEwOO0DmpkHQqaZciHNdYzNXVQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OTZZs3yBGu+nsTEDves/NmMGay3yR9A6MTU4j8nsyBmh5BIhKipY587sWhePUsY/p ZVYJr8Xpumii5sNJCNSWGQmTImEcfKegY8c2sownYKcDtu6lysb1hNMGioEEyBokAJ mo+eQWeorYZqXY1q3VO0VTN01yNsOetBu+PX/MACpnT0VyMJ4lz8g7OeFYPMYaTlar zO51TvSTEgSaRwwI1TlZwa5ZV6xpPiaw8czCodtu5Q46w4wFwR7ftoG7kcKcwtva4g dj/F0a/1cyaB7KiyYireqxxymT+B3k7+yX99G2VZz3ZCpz8l0plzX5MepZl9tjBtDe 2m9ttrI4Faogg== From: =?UTF-8?q?Marek=20Beh=C3=BAn?= To: Stefan Roese Cc: u-boot@lists.denx.de, pali@kernel.org, =?UTF-8?q?Marek=20Beh=C3=BAn?= Subject: [PATCH u-boot-marvell 3/6] arm: a37xx: pci: Do not automatically enable bus mastering on PCI Bridge Date: Sat, 25 Sep 2021 22:37:03 +0200 Message-Id: <20210925203706.20322-4-kabel@kernel.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210925203706.20322-1-kabel@kernel.org> References: <20210925203706.20322-1-kabel@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.34 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.2 at phobos.denx.de X-Virus-Status: Clean From: Pali Rohár Now that PCI Bridge is working for the PCIe Root Port, U-Boot's PCI_PNP code automatically enables memory access and bus mastering when needed. We do not need to enable it when setting the HW up. Signed-off-by: Pali Rohár Reviewed-by: Marek Behún --- drivers/pci/pci-aardvark.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/drivers/pci/pci-aardvark.c b/drivers/pci/pci-aardvark.c index 692210ded9..8c025dc45d 100644 --- a/drivers/pci/pci-aardvark.c +++ b/drivers/pci/pci-aardvark.c @@ -910,12 +910,6 @@ static int pcie_advk_setup_hw(struct pcie_advk *pcie) if (pcie_advk_wait_for_link(pcie)) return -ENXIO; - reg = advk_readl(pcie, PCIE_CORE_CMD_STATUS_REG); - reg |= PCIE_CORE_CMD_MEM_ACCESS_EN | - PCIE_CORE_CMD_IO_ACCESS_EN | - PCIE_CORE_CMD_MEM_IO_REQ_EN; - advk_writel(pcie, reg, PCIE_CORE_CMD_STATUS_REG); - return 0; } -- 2.32.0