{"id":2215473,"url":"http://patchwork.ozlabs.org/api/patches/2215473/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-pci/patch/20260324165633.4583-5-ilpo.jarvinen@linux.intel.com/","project":{"id":28,"url":"http://patchwork.ozlabs.org/api/projects/28/?format=json","name":"Linux PCI development","link_name":"linux-pci","list_id":"linux-pci.vger.kernel.org","list_email":"linux-pci@vger.kernel.org","web_url":null,"scm_url":null,"webscm_url":null,"list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260324165633.4583-5-ilpo.jarvinen@linux.intel.com>","list_archive_url":null,"date":"2026-03-24T16:56:27","name":"[04/10] ARM/PCI: Remove unnecessary second application of align","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"dfee4ce1913a012cd9197398b7a98331cf70f1d5","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/linux-pci/patch/20260324165633.4583-5-ilpo.jarvinen@linux.intel.com/mbox/","series":[{"id":497318,"url":"http://patchwork.ozlabs.org/api/series/497318/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-pci/list/?series=497318","date":"2026-03-24T16:56:23","name":"PCI: Improve head free space usage","version":1,"mbox":"http://patchwork.ozlabs.org/series/497318/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2215473/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2215473/checks/","tags":{},"related":[],"headers":{"Return-Path":"\n <linux-pci+bounces-50933-incoming=patchwork.ozlabs.org@vger.kernel.org>","X-Original-To":["incoming@patchwork.ozlabs.org","linux-pci@vger.kernel.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=ULyMssny;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c09:e001:a7::12fc:5321; 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a=\"79252739\"","E=Sophos;i=\"6.23,138,1770624000\";\n   d=\"scan'208\";a=\"79252739\"","E=Sophos;i=\"6.23,138,1770624000\";\n   d=\"scan'208\";a=\"228447839\""],"X-ExtLoop1":"1","From":"=?utf-8?q?Ilpo_J=C3=A4rvinen?= <ilpo.jarvinen@linux.intel.com>","To":"linux-pci@vger.kernel.org,\n\tBjorn Helgaas <bhelgaas@google.com>,\n\tGuenter Roeck <linux@roeck-us.net>,\n\tlinux-alpha@vger.kernel.org,\n\tlinux-arm-kernel@lists.infradead.org,\n\tlinux-m68k@lists.linux-m68k.org,\n\tlinux-mips@vger.kernel.org,\n\tlinux-parisc@vger.kernel.org,\n\tlinuxppc-dev@lists.ozlabs.org,\n\tlinux-s390@vger.kernel.org,\n\tlinux-sh@vger.kernel.org,\n\tRussell King <linux@armlinux.org.uk>,\n\tGeert Uytterhoeven <geert@linux-m68k.org>,\n\tThomas Bogendoerfer <tsbogend@alpha.franken.de>,\n\t\"James E.J. 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 04/10] ARM/PCI: Remove unnecessary second application of align","Date":"Tue, 24 Mar 2026 18:56:27 +0200","Message-Id":"<20260324165633.4583-5-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>","Precedence":"bulk","X-Mailing-List":"linux-pci@vger.kernel.org","List-Id":"<linux-pci.vger.kernel.org>","List-Subscribe":"<mailto:linux-pci+subscribe@vger.kernel.org>","List-Unsubscribe":"<mailto:linux-pci+unsubscribe@vger.kernel.org>","MIME-Version":"1.0","Content-Type":"text/plain; charset=UTF-8","Content-Transfer-Encoding":"8bit"},"content":"Aligning res->start by align inside pcibios_align_resource() is\nunnecessary because caller of pcibios_align_resource() is\n__find_resource_space() that aligns res->start with align before\ncalling pcibios_align_resource().\n\nAligning by align in case of IORESOURCE_IO && start & 0x300 cannot ever\nresult in changing start either because 0x300 bits would have not\nsurvived the earlier alignment if align was large enough to have an\nimpact.\n\nThus, remove the duplicated aligning from pcibios_align_resource().\n\nSigned-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>\n---\n arch/arm/kernel/bios32.c | 2 --\n 1 file changed, 2 deletions(-)","diff":"diff --git a/arch/arm/kernel/bios32.c b/arch/arm/kernel/bios32.c\nindex 5b9b4fcd0e54..cedb83a85dd9 100644\n--- a/arch/arm/kernel/bios32.c\n+++ b/arch/arm/kernel/bios32.c\n@@ -571,8 +571,6 @@ resource_size_t pcibios_align_resource(void *data, const struct resource *res,\n \tif (res->flags & IORESOURCE_IO && start & 0x300)\n \t\tstart = (start + 0x3ff) & ~0x3ff;\n \n-\tstart = (start + align - 1) & ~(align - 1);\n-\n \thost_bridge = pci_find_host_bridge(dev->bus);\n \n \tif (host_bridge->align_resource)\n","prefixes":["04/10"]}