From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6F0B5483BFA for ; Mon, 19 Oct 2026 06:54:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792392898; cv=none; b=o0Kb/Ln2oAunFQxI7NlxdelsPbZBGLv44pAlJlVfxMNhG2Fcy8xbBHNhX5XLOqNeHSu6ofCunMXrOFmE+j2EJOGVnkRYiP6453SfnzKZNiTel7SL0sUDNPaBNBRs3Nd5lyTgeUX5qGvWgPy99TUPGmYviO46cRSfx0x9iIO+0pI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792392898; c=relaxed/simple; bh=2L0xWiiK/g7DAk4BmUlZQ7rhRtQMhkZH8SS5HIbFkfU=; h=Message-ID:From:Subject:To:Cc:In-Reply-To:References:Content-Type: Date; b=Obx0gW663iWPvB5CbCVZwPYyW5sIGOZTFO8x3bB/b1gZQpLZB/l/q1KP2kbOpQGhFMC+CLXsaWaMiSt5sjJRuBfUx0j2wOD4IYeEMkL0lmN2oFn+AftkXyibK6IaRpTe+6fiIman2VFEZ4NyHAl5IMYug+TVW49A7VlthU2oOtI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ijNy3UgB; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ijNy3UgB" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2B99C1F000C5; Mon, 19 Oct 2026 06:54:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1792392897; bh=2L0xWiiK/g7DAk4BmUlZQ7rhRtQMhkZH8SS5HIbFkfU=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=ijNy3UgBBNYAiA9vmGxMCVuhlFyVJmU42t4JC3rM48sJe2trAQEgjbLcsgkf0Rnly ebjxYn93HpgTSen0+KXIeETGMIwQC6QOQf62XUUWs2Gln4C5CGFO0RsZoR5pNVPo9O 5pSvwF9BtEnX4nIJGzZDfGrxZmR104/OK/PKO6xFuTz70/RT4wtRuPWBDctmipCxUa 5ZQrQZ6j4HVQmkSCRO701wAR0KLvPErQHwlyLtfd3V1ZIMMa/xMXD7F/UBCOpifgjg gmaK764jtFmkJM6bbAhNF2At4oaySynM89q64zL52AElqyvnRlUQA0pJBWDW/dUHd1 IfwPg+ChJbBvQ== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH 1/2] PCI: dwc: Skip MEM outbound iATU setup for identity mappings Reply-To: sashiko-reviews@lists.linux.dev To: "Xincheng Ji" Cc: linux-pci@vger.kernel.org In-Reply-To: <20261019-dw-pci-fix-v1-1-9b7860f919b9@ultrarisc.com> References: <20261019-dw-pci-fix-v1-0-9b7860f919b9@ultrarisc.com> <20261019-dw-pci-fix-v1-1-9b7860f919b9@ultrarisc.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Mon, 19 Oct 2026 06:54:56 +0000 Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: > No outbound iATU translation is required when the parent-bus address > matches the PCI address. This is a DesignWare controller property, not > an UltraRISC-specific behavior. >=20 > Compare the addresses directly and skip MEM outbound iATU setup when > they match. Remove bypass_ob_mem_iatu and the UltraRISC-specific setting. > CFG and I/O accesses, as well as non-identity-mapped MEM ranges, still > use outbound iATU windows. >=20 > Fixes: 17b478b29cf1 ("PCI: dwc: Allow drivers to skip MEM outbound iATU s= etup") > Signed-off-by: Xincheng Ji Sashiko has reviewed this patch and found no issues. --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261019-dw-pci-fix= -v1-0-9b7860f919b9@ultrarisc.com?part=3D1