{"id":2215478,"url":"http://patchwork.ozlabs.org/api/patches/2215478/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-pci/patch/20260324165633.4583-9-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":"<20260324165633.4583-9-ilpo.jarvinen@linux.intel.com>","list_archive_url":null,"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":"new","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/linux-pci/patch/20260324165633.4583-9-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/2215478/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2215478/checks/","tags":{},"related":[],"headers":{"Return-Path":"\n ","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=XVu7atom;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c0a:e001:db::12fc:5321; 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a=rsa-sha256; c=relaxed/simple;\n d=intel.com; i=@intel.com; q=dns/txt; s=Intel;\n t=1774371632; x=1805907632;\n h=from:to:cc:subject:date:message-id:in-reply-to:\n references:mime-version:content-transfer-encoding;\n bh=yRiNPjyR6BmckrFz9yS55d2yQZU16Z4uT3UMgBowpHk=;\n b=XVu7atomGqeRQ/mCvdsKBuOQqnS1A97ZFHQ5puo3JRTcIwdzrp5Yr2Rd\n jj1ETPgCNbjE6BE79nJ3C7Zaa+z4mSwmDHFYxZRmzrp2mpbO4Cu3Qt/yD\n vJJiRCY2WGxFF2yToGAcCqMXJn0mooQi9q830Eh2W/9dyTmG97j3QNmRd\n mzE6F3SHc1fSTFh0U4wYdOQ1jinn5Iw0QBTFOWxePvgJJAl/rtzmYuJKM\n jDxSMumIEEoe+9e1PoNoEwc9Sqib5SCOCiOVH3nSToaOEA2SziPRnnnZT\n hG7orP7S4succId+dkQnlq9tlZ16Uzf2dP8dFFiFg03yoXx6YLJepcJZr\n A==;","X-CSE-ConnectionGUID":["0aj1QaDoTeiUONUsc8/J8Q==","NHjFhTG1RYO9C2glveQ6yA=="],"X-CSE-MsgGUID":["MXAYKiVpSQOuiLrr6n22vw==","hhyUW1HYQmiP63jGpn9/jA=="],"X-IronPort-AV":["E=McAfee;i=\"6800,10657,11739\"; a=\"75281459\"","E=Sophos;i=\"6.23,138,1770624000\";\n d=\"scan'208\";a=\"75281459\"","E=Sophos;i=\"6.23,138,1770624000\";\n d=\"scan'208\";a=\"219540299\""],"X-ExtLoop1":"1","From":"=?utf-8?q?Ilpo_J=C3=A4rvinen?= ","To":"linux-pci@vger.kernel.org,\n\tBjorn Helgaas ,\n\tGuenter Roeck ,\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 ,\n\tGeert Uytterhoeven ,\n\tThomas Bogendoerfer ,\n\t\"James E.J. Bottomley\" ,\n\tHelge Deller ,\n\tMichael Ellerman ,\n\tThomas Gleixner ,\n\tIngo Molnar ,\n\tBorislav Petkov ,\n\tDave Hansen ,\n\t\"H. Peter Anvin\" ,\n\tChris Zankel ,\n\tMax Filippov ,\n\tMadhavan Srinivasan ,\n\tYoshinori Sato ,\n\tRich Felker ,\n\tJohn Paul Adrian Glaubitz ,\n\tlinux-kernel@vger.kernel.org","Cc":"=?utf-8?q?Ilpo_J=C3=A4rvinen?= ","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>","Precedence":"bulk","X-Mailing-List":"linux-pci@vger.kernel.org","List-Id":"","List-Subscribe":"","List-Unsubscribe":"","MIME-Version":"1.0","Content-Type":"text/plain; charset=UTF-8","Content-Transfer-Encoding":"8bit"},"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 \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"]}