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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 39856C021B8 for ; Thu, 27 Feb 2025 00:13:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:References: List-Owner; bh=74velbzXhj86ayyNJU8eE/T9Ph27FbIFsXRb+I255gE=; b=upuyXXRLFEMQXi 9Bal7tsHzYOIv9L8gTKKK7I7GftCeDJT0RtT7p0fh7dSOwXoTS82hQdI6fokpsWQ7YuKQJsKxs3bH dGcROFYPPf/9JE3qkswzEU6F7L5eYo9QIGPF8Oi7BwluRqhGoOgYjv4FEyozgerJniU0D+5rgnznu 4W45+oBfkVCO234mxKv3ztKrDh5gT5boJSDM/TcKCuNJk/VhyCPue9JfIX2nXIFt1stBgfYg8xYQD XVeIdzxKgJNUdPrl06LJ/zngNsAizE/RTc4tPZ+rS0bKzUNj1UhyD76ylcH82D6Mv1Mv/0mYJO3JG FzX0ID5PBtV51Z4Im+pg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tnRXB-00000005my8-2s41; Thu, 27 Feb 2025 00:13:49 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tnRVd-00000005mfN-3dmq for linux-arm-kernel@lists.infradead.org; Thu, 27 Feb 2025 00:12:14 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 6D4485C75EC; Thu, 27 Feb 2025 00:11:34 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id EBC25C4CEE4; Thu, 27 Feb 2025 00:12:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1740615133; bh=kFgcrBElLJTonBz0lClAOsPUWgdoPyhvMj791RqwlRA=; h=Date:From:To:Cc:Subject:In-Reply-To:From; b=CJfB1rL5oz2xpW+K4hNOju3ADuUKr3b8mhl4wOWC+Qn0heguTMtKgVXVPzr+VjVen Niv05HKBuXK7mv38wfm9zy4Y9KW0j0a2bvoOz5imlD4kZkxdlvs+64HW2uRAzRDyZj KCEewPo383Hdn6XZLd3uJwtK1+181T8UXgaPvqyljnglkIg8loQHfbYjvRKqvzSk1b zA2ZR+J0YJiI+qMtN84BJDDvA6n372iU2EbFephjXf7tNfX9wpCXBozcw0b0JDhpB9 JJTswsUJOmP2WY+kKWa8B+wNCZeYATO3GP9Sd4x8qivhBU11PwR0BHRWxCsP7Lf59g bzInoK3C+tTAw== Date: Wed, 26 Feb 2025 18:12:11 -0600 From: Bjorn Helgaas To: Frank Li Cc: Rob Herring , Saravana Kannan , Jingoo Han , Manivannan Sadhasivam , Lorenzo Pieralisi , Krzysztof =?utf-8?Q?Wilczy=C5=84ski?= , Bjorn Helgaas , Richard Zhu , Lucas Stach , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, imx@lists.linux.dev, Niklas Cassel Subject: Re: [PATCH v9 6/7] PCI: dwc: ep: Ensure proper iteration over outbound map windows Message-ID: <20250227001211.GA566164@bhelgaas> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250128-pci_fixup_addr-v9-6-3c4bb506f665@nxp.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250226_161213_945450_FFA69688 X-CRM114-Status: UNSURE ( 6.60 ) X-CRM114-Notice: Please train this message. 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, Jan 28, 2025 at 05:07:39PM -0500, Frank Li wrote: > Most systems' PCIe outbound map windows have non-zero physical addresses, > but the possibility of encountering zero increased with commit > 700cafbb642b ("PCI: dwc: ep: Add bus_addr_base for outbound window"). I don't know what commit 700cafbb642b is. It doesn't appear upstream, and there's no subject line or patch match for bus_addr_base. Bjorn