{"id":2230189,"url":"http://patchwork.ozlabs.org/api/1.2/patches/2230189/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-pci/patch/20260429122617.7324-6-ilpo.jarvinen@linux.intel.com/","project":{"id":28,"url":"http://patchwork.ozlabs.org/api/1.2/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":"<20260429122617.7324-6-ilpo.jarvinen@linux.intel.com>","list_archive_url":null,"date":"2026-04-29T12:26:11","name":"[05/11] resource: Make resource_alignment() input const resource","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"7fef98f373b7dec1b00b020c63f2865e5309e20f","submitter":{"id":83553,"url":"http://patchwork.ozlabs.org/api/1.2/people/83553/?format=json","name":"Ilpo Järvinen","email":"ilpo.jarvinen@linux.intel.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-pci/patch/20260429122617.7324-6-ilpo.jarvinen@linux.intel.com/mbox/","series":[{"id":502050,"url":"http://patchwork.ozlabs.org/api/1.2/series/502050/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-pci/list/?series=502050","date":"2026-04-29T12:26:06","name":"PCI: pci_resource_alignment() improvement + cleanups","version":1,"mbox":"http://patchwork.ozlabs.org/series/502050/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2230189/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2230189/checks/","tags":{},"related":[],"headers":{"Return-Path":"\n <linux-pci+bounces-53390-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=gTH/zqHM;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=172.105.105.114; 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a=\"78101799\"","E=Sophos;i=\"6.23,206,1770624000\";\n   d=\"scan'208\";a=\"78101799\"","E=Sophos;i=\"6.23,206,1770624000\";\n   d=\"scan'208\";a=\"234512170\""],"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\tShawn Jin <shawn.jin@asteralabs.com>,\n\tlinuxppc-dev@lists.ozlabs.org,\n\tMadhavan Srinivasan <maddy@linux.ibm.com>,\n\tMichael Ellerman <mpe@ellerman.id.au>,\n\tNicholas Piggin <npiggin@gmail.com>,\n\tlinux-kernel@vger.kernel.org","Cc":"=?utf-8?q?Ilpo_J=C3=A4rvinen?= <ilpo.jarvinen@linux.intel.com>","Subject":"[PATCH 05/11] resource: Make resource_alignment() input const\n resource","Date":"Wed, 29 Apr 2026 15:26:11 +0300","Message-Id":"<20260429122617.7324-6-ilpo.jarvinen@linux.intel.com>","X-Mailer":"git-send-email 2.39.5","In-Reply-To":"<20260429122617.7324-1-ilpo.jarvinen@linux.intel.com>","References":"<20260429122617.7324-1-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":"resource_alignment() does not need to change resource so it can be\nmade const.\n\nSigned-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>\n---\n include/linux/ioport.h | 2 +-\n kernel/resource.c      | 2 +-\n 2 files changed, 2 insertions(+), 2 deletions(-)","diff":"diff --git a/include/linux/ioport.h b/include/linux/ioport.h\nindex 3c73c9c0d4f7..f7930b3dfd0a 100644\n--- a/include/linux/ioport.h\n+++ b/include/linux/ioport.h\n@@ -261,7 +261,7 @@ extern int allocate_resource(struct resource *root, struct resource *new,\n struct resource *lookup_resource(struct resource *root, resource_size_t start);\n int adjust_resource(struct resource *res, resource_size_t start,\n \t\t    resource_size_t size);\n-resource_size_t resource_alignment(struct resource *res);\n+resource_size_t resource_alignment(const struct resource *res);\n \n /**\n  * resource_set_size - Calculate resource end address from size and start\ndiff --git a/kernel/resource.c b/kernel/resource.c\nindex d02a53fb95d8..3d17e3196a3e 100644\n--- a/kernel/resource.c\n+++ b/kernel/resource.c\n@@ -1238,7 +1238,7 @@ reserve_region_with_split(struct resource *root, resource_size_t start,\n  *\n  * Returns alignment on success, 0 (invalid alignment) on failure.\n  */\n-resource_size_t resource_alignment(struct resource *res)\n+resource_size_t resource_alignment(const struct resource *res)\n {\n \tswitch (res->flags & (IORESOURCE_SIZEALIGN | IORESOURCE_STARTALIGN)) {\n \tcase IORESOURCE_SIZEALIGN:\n","prefixes":["05/11"]}