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GET /api/1.2/patches/2234823/?format=api
{ "id": 2234823, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2234823/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260508043543.217179-20-kwilczynski@kernel.org/", "project": { "id": 2, "url": "http://patchwork.ozlabs.org/api/1.2/projects/2/?format=api", "name": "Linux PPC development", "link_name": "linuxppc-dev", "list_id": "linuxppc-dev.lists.ozlabs.org", "list_email": "linuxppc-dev@lists.ozlabs.org", "web_url": "https://github.com/linuxppc/wiki/wiki", "scm_url": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git", "webscm_url": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/", "list_archive_url_format": "https://lore.kernel.org/linuxppc-dev/{}/", "commit_url_format": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id={}" }, "msgid": "<20260508043543.217179-20-kwilczynski@kernel.org>", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/20260508043543.217179-20-kwilczynski@kernel.org/", "date": "2026-05-08T04:35:38", "name": "[v7,19/24] PCI: Add macros for legacy I/O and memory address space sizes", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "91539e604feebb67e91d99f7a9add8a52f4fe953", "submitter": { "id": 86709, "url": "http://patchwork.ozlabs.org/api/1.2/people/86709/?format=api", "name": "Krzysztof Wilczyński", "email": "kwilczynski@kernel.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260508043543.217179-20-kwilczynski@kernel.org/mbox/", "series": [ { "id": 503322, "url": "http://patchwork.ozlabs.org/api/1.2/series/503322/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=503322", "date": "2026-05-08T04:35:20", "name": "PCI: Convert all dynamic sysfs attributes to static", "version": 7, "mbox": "http://patchwork.ozlabs.org/series/503322/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2234823/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2234823/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linuxppc-dev+bounces-20603-incoming=patchwork.ozlabs.org@lists.ozlabs.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linuxppc-dev@lists.ozlabs.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=CFH6FW2E;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org\n (client-ip=112.213.38.117; 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Fri, 08 May 2026 14:38:21 +1000 (AEST)", "from boromir.ozlabs.org (localhost [127.0.0.1])\n\tby lists.ozlabs.org (Postfix) with ESMTP id 4gBbtj277nz3cM4;\n\tFri, 08 May 2026 14:37:01 +1000 (AEST)", "from tor.source.kernel.org (tor.source.kernel.org\n [IPv6:2600:3c04:e001:324:0:1991:8:25])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519)\n\t(No client certificate requested)\n\tby lists.ozlabs.org (Postfix) with ESMTPS id 4gBbth28zdz2xPb\n\tfor <linuxppc-dev@lists.ozlabs.org>; Fri, 08 May 2026 14:37:00 +1000 (AEST)", "from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58])\n\tby tor.source.kernel.org (Postfix) with ESMTP id 462A960252;\n\tFri, 8 May 2026 04:36:58 +0000 (UTC)", "by smtp.kernel.org (Postfix) with ESMTPSA id AA792C2BCF4;\n\tFri, 8 May 2026 04:36:54 +0000 (UTC)" ], "ARC-Seal": "i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1778215021;\n\tcv=none;\n b=EfKB6SQa+uatTren1v9efIH21is29pD9zOenjBkKQVh+8KWBWPWNYRuHGv8BQVivCiIXyPZVK6GzuzY/6oVtRzGLiOMpBKrrPvokrFHUI8dNBfsIOgKzGxgqU8BaqY55VCd0CWwuySyV8CuJ2S+KzfQZmctchVONQhHpMTyGoSEDJYknf7LIiTaZlMXiPL7XlL9aaYCpYKiCqIJJRB+/GdBpAbxZOCJcrLUeMKoktJiG30eLWfMFH1+lKHCSNCLLGUMJs11ytGXJfQXFiYgbfVsAn8bq1v0pVo9LgPJyBzgdG9ZRLIcHs/SMGuQ5JzReHBywnjkQTdnvgdGvazom3g==", "ARC-Message-Signature": "i=1; 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a=rsa-sha256; c=relaxed/simple; d=kernel.org;\n\ts=k20201202; t=1778215018;\n\tbh=N1LG0b801U/7kxVuvjnQVLRXwe7JDPv2XLRqgNSAEvU=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=CFH6FW2EFKu5omjI2TsUpZzd1k98KUCGQyT5GFGBCDWRVdZGHbDkTug4c6Bf7fGXf\n\t vMFZgPG4ZP3FtFWF++A4goPkVeIVk2jpPJy3PFsG2+f05LhqjKZo6b7F9K16whSLfr\n\t n730+zUxLmt3M93gq7weK7IMNdjImnxqSfyOjWFBK+OhsEtZDZ3OcqGFyc8SM74ZT4\n\t W6ljRXsaJkuYF5IAW0X2DFhE6sQ0KzlBpea4kaNsAJY8NsUjneU40/StjmNzZFVtWE\n\t 0LLg6Tk7H9irG+I1kNdJNMkhfv7IMvrjtPgZ4e5IuuwMny1dyRByhSdmMj2eOvnPd3\n\t gSn/i9BddKycA==", "From": "=?utf-8?q?Krzysztof_Wilczy=C5=84ski?= <kwilczynski@kernel.org>", "To": "Bjorn Helgaas <bhelgaas@google.com>", "Cc": "Bjorn Helgaas <helgaas@kernel.org>,\n Manivannan Sadhasivam <mani@kernel.org>,\n Lorenzo Pieralisi <lpieralisi@kernel.org>,\n Alex Williamson <alex@shazbot.org>, Magnus Lindholm <linmag7@gmail.com>,\n Matt Turner <mattst88@gmail.com>,\n Richard Henderson <richard.henderson@linaro.org>,\n Christophe Leroy <chleroy@kernel.org>,\n Madhavan Srinivasan <maddy@linux.ibm.com>,\n Michael Ellerman <mpe@ellerman.id.au>, Nicholas Piggin <npiggin@gmail.com>,\n Dexuan Cui <decui@microsoft.com>,\n =?utf-8?q?Krzysztof_Ha=C5=82asa?= <khalasa@piap.pl>,\n Lukas Wunner <lukas@wunner.de>, \"Oliver O'Halloran\" <oohall@gmail.com>,\n Saurabh Singh Sengar <ssengar@microsoft.com>,\n Shuan He <heshuan@bytedance.com>, Srivatsa Bhat <srivatsabhat@microsoft.com>,\n\t=?utf-8?q?Ilpo_J=C3=A4rvinen?= <ilpo.jarvinen@linux.intel.com>,\n linux-pci@vger.kernel.org, linux-alpha@vger.kernel.org,\n linuxppc-dev@lists.ozlabs.org", "Subject": "[PATCH v7 19/24] PCI: Add macros for legacy I/O and memory address\n space sizes", "Date": "Fri, 8 May 2026 04:35:38 +0000", "Message-ID": "<20260508043543.217179-20-kwilczynski@kernel.org>", "X-Mailer": "git-send-email 2.54.0", "In-Reply-To": "<20260508043543.217179-1-kwilczynski@kernel.org>", "References": "<20260508043543.217179-1-kwilczynski@kernel.org>", "X-Mailing-List": "linuxppc-dev@lists.ozlabs.org", "List-Id": "<linuxppc-dev.lists.ozlabs.org>", "List-Help": "<mailto:linuxppc-dev+help@lists.ozlabs.org>", "List-Owner": "<mailto:linuxppc-dev+owner@lists.ozlabs.org>", "List-Post": "<mailto:linuxppc-dev@lists.ozlabs.org>", "List-Archive": "<https://lore.kernel.org/linuxppc-dev/>,\n <https://lists.ozlabs.org/pipermail/linuxppc-dev/>", "List-Subscribe": "<mailto:linuxppc-dev+subscribe@lists.ozlabs.org>,\n <mailto:linuxppc-dev+subscribe-digest@lists.ozlabs.org>,\n <mailto:linuxppc-dev+subscribe-nomail@lists.ozlabs.org>", "List-Unsubscribe": "<mailto:linuxppc-dev+unsubscribe@lists.ozlabs.org>", "Precedence": "list", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=UTF-8", "Content-Transfer-Encoding": "8bit", "X-Spam-Status": "No, score=-0.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED,\n\tDKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS\n\tautolearn=disabled version=4.0.1 OzLabs 8", "X-Spam-Checker-Version": "SpamAssassin 4.0.1 (2024-03-25) on lists.ozlabs.org" }, "content": "Add defines for the standard PCI legacy address space sizes,\nreplacing the raw literals used by the legacy sysfs attributes.\n\nThen, replace open-coded values with the newly added macros.\n\nNo functional changes intended.\n\nSuggested-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>\nTested-by: Shivaprasad G Bhat <sbhat@linux.ibm.com>\nSigned-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>\n---\n drivers/pci/pci-sysfs.c | 4 ++--\n include/linux/pci.h | 5 +++++\n 2 files changed, 7 insertions(+), 2 deletions(-)", "diff": "diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c\nindex a6451bbf69a8..7ba12b2abe48 100644\n--- a/drivers/pci/pci-sysfs.c\n+++ b/drivers/pci/pci-sysfs.c\n@@ -1019,7 +1019,7 @@ void pci_create_legacy_files(struct pci_bus *b)\n \n \tsysfs_bin_attr_init(b->legacy_io);\n \tb->legacy_io->attr.name = \"legacy_io\";\n-\tb->legacy_io->size = 0xffff;\n+\tb->legacy_io->size = PCI_LEGACY_IO_SIZE;\n \tb->legacy_io->attr.mode = 0600;\n \tb->legacy_io->read = pci_read_legacy_io;\n \tb->legacy_io->write = pci_write_legacy_io;\n@@ -1036,7 +1036,7 @@ void pci_create_legacy_files(struct pci_bus *b)\n \tb->legacy_mem = b->legacy_io + 1;\n \tsysfs_bin_attr_init(b->legacy_mem);\n \tb->legacy_mem->attr.name = \"legacy_mem\";\n-\tb->legacy_mem->size = 1024*1024;\n+\tb->legacy_mem->size = PCI_LEGACY_MEM_SIZE;\n \tb->legacy_mem->attr.mode = 0600;\n \tb->legacy_mem->mmap = pci_mmap_legacy_mem;\n \t/* See pci_create_attr() for motivation */\ndiff --git a/include/linux/pci.h b/include/linux/pci.h\nindex c56f2cf0d2ab..e37677a8dd3c 100644\n--- a/include/linux/pci.h\n+++ b/include/linux/pci.h\n@@ -27,6 +27,7 @@\n #include <linux/mod_devicetable.h>\n \n #include <linux/types.h>\n+#include <linux/sizes.h>\n #include <linux/init.h>\n #include <linux/ioport.h>\n #include <linux/list.h>\n@@ -1169,6 +1170,10 @@ enum {\n /* These external functions are only available when PCI support is enabled */\n #ifdef CONFIG_PCI\n \n+/* PCI legacy I/O port and memory address space sizes. */\n+#define PCI_LEGACY_IO_SIZE\t(SZ_64K - 1)\n+#define PCI_LEGACY_MEM_SIZE\tSZ_1M\n+\n extern unsigned int pci_flags;\n \n static inline void pci_set_flags(int flags) { pci_flags = flags; }\n", "prefixes": [ "v7", "19/24" ] }