{"id":2215468,"url":"http://patchwork.ozlabs.org/api/patches/2215468/?format=json","web_url":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260324165633.4583-9-ilpo.jarvinen@linux.intel.com/","project":{"id":2,"url":"http://patchwork.ozlabs.org/api/projects/2/?format=json","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":"<20260324165633.4583-9-ilpo.jarvinen@linux.intel.com>","list_archive_url":"https://lore.kernel.org/linuxppc-dev/20260324165633.4583-9-ilpo.jarvinen@linux.intel.com/","date":"2026-03-24T16:56:31","name":"[08/10] PCI: Rename window_alignment() to pci_min_window_alignment()","commit_ref":null,"pull_url":null,"state":"handled-elsewhere","archived":false,"hash":"1e6921e7ba99d8921ef70ea9c9f3255fa50fd59a","submitter":{"id":83553,"url":"http://patchwork.ozlabs.org/api/people/83553/?format=json","name":"Ilpo Järvinen","email":"ilpo.jarvinen@linux.intel.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260324165633.4583-9-ilpo.jarvinen@linux.intel.com/mbox/","series":[{"id":497317,"url":"http://patchwork.ozlabs.org/api/series/497317/?format=json","web_url":"http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=497317","date":"2026-03-24T16:56:23","name":"PCI: Improve head free space usage","version":1,"mbox":"http://patchwork.ozlabs.org/series/497317/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2215468/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2215468/checks/","tags":{},"related":[],"headers":{"Return-Path":"\n <linuxppc-dev+bounces-18734-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=intel.com header.i=@intel.com header.a=rsa-sha256\n header.s=Intel header.b=RnQfxQ6f;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org\n (client-ip=2404:9400:21b9:f100::1; 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Bottomley\" <James.Bottomley@HansenPartnership.com>,\n\tHelge Deller <deller@gmx.de>,\n\tMichael Ellerman <mpe@ellerman.id.au>,\n\tThomas Gleixner <tglx@kernel.org>,\n\tIngo Molnar <mingo@redhat.com>,\n\tBorislav Petkov <bp@alien8.de>,\n\tDave Hansen <dave.hansen@linux.intel.com>,\n\t\"H. Peter Anvin\" <hpa@zytor.com>,\n\tChris Zankel <chris@zankel.net>,\n\tMax Filippov <jcmvbkbc@gmail.com>,\n\tMadhavan Srinivasan <maddy@linux.ibm.com>,\n\tYoshinori Sato <ysato@users.sourceforge.jp>,\n\tRich Felker <dalias@libc.org>,\n\tJohn Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>,\n\tlinux-kernel@vger.kernel.org","Cc":"=?utf-8?q?Ilpo_J=C3=A4rvinen?= <ilpo.jarvinen@linux.intel.com>","Subject":"[PATCH 08/10] PCI: Rename window_alignment() to\n pci_min_window_alignment()","Date":"Tue, 24 Mar 2026 18:56:31 +0200","Message-Id":"<20260324165633.4583-9-ilpo.jarvinen@linux.intel.com>","X-Mailer":"git-send-email 2.39.5","In-Reply-To":"<20260324165633.4583-1-ilpo.jarvinen@linux.intel.com>","References":"<20260324165633.4583-1-ilpo.jarvinen@linux.intel.com>","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=-2.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED,\n\tDKIM_VALID,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_PASS autolearn=disabled\n\tversion=4.0.1 OzLabs 8","X-Spam-Checker-Version":"SpamAssassin 4.0.1 (2024-03-25) on lists.ozlabs.org"},"content":"window_alignment() lacks prefix. Rename it to pci_min_window_alignment()\nin order to include the prefix and also add min to indicate the returned\nwindow alignment is the minimum PCI spec and arch allows.\n\nAlso make it available in drivers/pci/pci.h as upcoming changes will need\nto call it from outside of setup-bus.c.\n\nSigned-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>\n---\n drivers/pci/pci.h       | 3 +++\n drivers/pci/setup-bus.c | 6 +++---\n 2 files changed, 6 insertions(+), 3 deletions(-)","diff":"diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h\nindex 13d998fbacce..2edb03c1c6b9 100644\n--- a/drivers/pci/pci.h\n+++ b/drivers/pci/pci.h\n@@ -1053,6 +1053,9 @@ static inline resource_size_t pci_resource_alignment(struct pci_dev *dev,\n \treturn resource_alignment(res);\n }\n \n+resource_size_t pci_min_window_alignment(struct pci_bus *bus,\n+\t\t\t\t\t unsigned long type);\n+\n void pci_acs_init(struct pci_dev *dev);\n void pci_enable_acs(struct pci_dev *dev);\n #ifdef CONFIG_PCI_QUIRKS\ndiff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c\nindex 61f769aaa2f6..edc0d682dcad 100644\n--- a/drivers/pci/setup-bus.c\n+++ b/drivers/pci/setup-bus.c\n@@ -1035,7 +1035,7 @@ resource_size_t __weak pcibios_window_alignment(struct pci_bus *bus,\n #define PCI_P2P_DEFAULT_IO_ALIGN\tSZ_4K\n #define PCI_P2P_DEFAULT_IO_ALIGN_1K\tSZ_1K\n \n-static resource_size_t window_alignment(struct pci_bus *bus, unsigned long type)\n+resource_size_t pci_min_window_alignment(struct pci_bus *bus, unsigned long type)\n {\n \tresource_size_t align = 1, arch_align;\n \n@@ -1084,7 +1084,7 @@ static void pbus_size_io(struct pci_bus *bus, resource_size_t add_size,\n \tif (resource_assigned(b_res))\n \t\treturn;\n \n-\tmin_align = window_alignment(bus, IORESOURCE_IO);\n+\tmin_align = pci_min_window_alignment(bus, IORESOURCE_IO);\n \tlist_for_each_entry(dev, &bus->devices, bus_list) {\n \t\tstruct resource *r;\n \n@@ -1339,7 +1339,7 @@ static void pbus_size_mem(struct pci_bus *bus, struct resource *b_res,\n \t\t}\n \t}\n \n-\twin_align = window_alignment(bus, b_res->flags);\n+\twin_align = pci_min_window_alignment(bus, b_res->flags);\n \tmin_align = calculate_head_align(aligns, max_order);\n \tmin_align = max(min_align, win_align);\n \tsize0 = calculate_memsize(size, realloc_head ? 0 : add_size,\n","prefixes":["08/10"]}