[{"id":3668591,"web_url":"http://patchwork.ozlabs.org/comment/3668591/","msgid":"","list_archive_url":null,"date":"2026-03-24T17:06:22","subject":"Re: [PATCH 05/10] am68k/PCI: Remove unnecessary second application of\n align","submitter":{"id":703,"url":"http://patchwork.ozlabs.org/api/people/703/","name":"Geert Uytterhoeven","email":"geert@linux-m68k.org"},"content":"CC gerg\n\nOn Tue, 24 Mar 2026 at 17:59, Ilpo Järvinen\n wrote:\n>\n> Aligning res->start by align inside pcibios_align_resource() is\n> unnecessary because caller of pcibios_align_resource() is\n> __find_resource_space() that aligns res->start with align before\n> calling pcibios_align_resource().\n>\n> Aligning by align in case of IORESOURCE_IO && start & 0x300 cannot ever\n> result in changing start either because 0x300 bits would have not\n> survived the earlier alignment if align was large enough to have an\n> impact.\n>\n> Thus, remove the duplicated aligning from pcibios_align_resource().\n>\n> Signed-off-by: Ilpo Järvinen \n> ---\n> arch/m68k/kernel/pcibios.c | 2 --\n> 1 file changed, 2 deletions(-)\n>\n> diff --git a/arch/m68k/kernel/pcibios.c b/arch/m68k/kernel/pcibios.c\n> index 1415f6e4e5ce..7e286ee1976b 100644\n> --- a/arch/m68k/kernel/pcibios.c\n> +++ b/arch/m68k/kernel/pcibios.c\n> @@ -36,8 +36,6 @@ resource_size_t pcibios_align_resource(void *data, const struct resource *res,\n> if ((res->flags & IORESOURCE_IO) && (start & 0x300))\n> start = (start + 0x3ff) & ~0x3ff;\n>\n> - start = (start + align - 1) & ~(align - 1);\n> -\n> return start;\n> }\n>\n> --\n> 2.39.5","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 spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c0a:e001:db::12fc:5321; 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Bottomley\" ,\n Helge Deller ,\n\tMichael Ellerman , Thomas Gleixner ,\n Ingo Molnar ,\n\tBorislav Petkov , Dave Hansen ,\n\t\"H. Peter Anvin\" , Chris Zankel ,\n Max Filippov ,\n\tMadhavan Srinivasan ,\n Yoshinori Sato ,\n\tRich Felker ,\n John Paul Adrian Glaubitz ,\n\tlinux-kernel@vger.kernel.org, Greg Ungerer ","Content-Type":"text/plain; charset=\"UTF-8\"","Content-Transfer-Encoding":"quoted-printable"}},{"id":3668613,"web_url":"http://patchwork.ozlabs.org/comment/3668613/","msgid":"<5de97ed9556bfcc3b1f26bd71e09fa4016ae3ff8.camel@physik.fu-berlin.de>","list_archive_url":null,"date":"2026-03-24T17:43:06","subject":"Re: [PATCH 05/10] am68k/PCI: Remove unnecessary second application\n of align","submitter":{"id":4003,"url":"http://patchwork.ozlabs.org/api/people/4003/","name":"John Paul Adrian Glaubitz","email":"glaubitz@physik.fu-berlin.de"},"content":"Hi Ilpo,\n\nOn Tue, 2026-03-24 at 18:56 +0200, Ilpo Järvinen wrote:\n> Aligning res->start by align inside pcibios_align_resource() is\n> unnecessary because caller of pcibios_align_resource() is\n> __find_resource_space() that aligns res->start with align before\n> calling pcibios_align_resource().\n> \n> Aligning by align in case of IORESOURCE_IO && start & 0x300 cannot ever\n> result in changing start either because 0x300 bits would have not\n> survived the earlier alignment if align was large enough to have an\n> impact.\n> \n> Thus, remove the duplicated aligning from pcibios_align_resource().\n> \n> Signed-off-by: Ilpo Järvinen \n> ---\n> arch/m68k/kernel/pcibios.c | 2 --\n> 1 file changed, 2 deletions(-)\n> \n> diff --git a/arch/m68k/kernel/pcibios.c b/arch/m68k/kernel/pcibios.c\n> index 1415f6e4e5ce..7e286ee1976b 100644\n> --- a/arch/m68k/kernel/pcibios.c\n> +++ b/arch/m68k/kernel/pcibios.c\n> @@ -36,8 +36,6 @@ 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> \treturn start;\n> }\n> \n\nSorry if it's a stupid question, but what does \"am68k\" in the subject refer to?\n\nAdrian","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=fu-berlin.de header.i=@fu-berlin.de header.a=rsa-sha256\n header.s=fub01 header.b=D8SNo1uQ;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c04:e001:36c::12fc:5321; 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Bottomley\" ,\n Helge Deller , Michael Ellerman\t ,\n Thomas Gleixner , Ingo Molnar\t ,\n Borislav Petkov , Dave Hansen\t ,\n \"H. Peter Anvin\" , Chris Zankel\t ,\n Max Filippov ,\n Madhavan Srinivasan\t ,\n Yoshinori Sato , Rich Felker\t ,\n linux-kernel@vger.kernel.org","Date":"Tue, 24 Mar 2026 18:43:06 +0100","In-Reply-To":"<20260324165633.4583-6-ilpo.jarvinen@linux.intel.com>","References":"<20260324165633.4583-1-ilpo.jarvinen@linux.intel.com>\n\t <20260324165633.4583-6-ilpo.jarvinen@linux.intel.com>","Content-Type":"text/plain; charset=\"UTF-8\"","Content-Transfer-Encoding":"quoted-printable","User-Agent":"Evolution 3.58.3 ","Precedence":"bulk","X-Mailing-List":"linux-pci@vger.kernel.org","List-Id":"","List-Subscribe":"","List-Unsubscribe":"","MIME-Version":"1.0","X-Original-Sender":"glaubitz@physik.fu-berlin.de","X-ZEDAT-Hint":"PO"}},{"id":3668621,"web_url":"http://patchwork.ozlabs.org/comment/3668621/","msgid":"<1c08efcd-25e8-6436-52ab-ac3d50dcf58f@linux.intel.com>","list_archive_url":null,"date":"2026-03-24T17:55:32","subject":"Re: [PATCH 05/10] am68k/PCI: Remove unnecessary second application\n of align","submitter":{"id":83553,"url":"http://patchwork.ozlabs.org/api/people/83553/","name":"Ilpo Järvinen","email":"ilpo.jarvinen@linux.intel.com"},"content":"On Tue, 24 Mar 2026, John Paul Adrian Glaubitz wrote:\n\n> Hi Ilpo,\n> \n> On Tue, 2026-03-24 at 18:56 +0200, Ilpo Järvinen wrote:\n> > Aligning res->start by align inside pcibios_align_resource() is\n> > unnecessary because caller of pcibios_align_resource() is\n> > __find_resource_space() that aligns res->start with align before\n> > calling pcibios_align_resource().\n> > \n> > Aligning by align in case of IORESOURCE_IO && start & 0x300 cannot ever\n> > result in changing start either because 0x300 bits would have not\n> > survived the earlier alignment if align was large enough to have an\n> > impact.\n> > \n> > Thus, remove the duplicated aligning from pcibios_align_resource().\n> > \n> > Signed-off-by: Ilpo Järvinen \n> > ---\n> > arch/m68k/kernel/pcibios.c | 2 --\n> > 1 file changed, 2 deletions(-)\n> > \n> > diff --git a/arch/m68k/kernel/pcibios.c b/arch/m68k/kernel/pcibios.c\n> > index 1415f6e4e5ce..7e286ee1976b 100644\n> > --- a/arch/m68k/kernel/pcibios.c\n> > +++ b/arch/m68k/kernel/pcibios.c\n> > @@ -36,8 +36,6 @@ 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> > \treturn start;\n> > }\n> > \n> \n> Sorry if it's a stupid question, but what does \"am68k\" in the subject refer to?\n\nThe extra \"a\" is a typo. I'm sorry about that.","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=YCQ9WpJE;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c04:e001:36c::12fc:5321; helo=tor.lore.kernel.org;\n envelope-from=linux-pci+bounces-50945-incoming=patchwork.ozlabs.org@vger.kernel.org;\n receiver=patchwork.ozlabs.org)","smtp.subspace.kernel.org;\n\tdkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com\n header.b=\"YCQ9WpJE\"","smtp.subspace.kernel.org;\n arc=none smtp.client-ip=192.198.163.17","smtp.subspace.kernel.org;\n dmarc=pass (p=none dis=none) header.from=linux.intel.com","smtp.subspace.kernel.org;\n spf=pass smtp.mailfrom=linux.intel.com"],"Received":["from tor.lore.kernel.org (tor.lore.kernel.org\n [IPv6:2600:3c04:e001:36c::12fc:5321])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fgHll3fBhz1y1g\n\tfor ; Wed, 25 Mar 2026 04:56:19 +1100 (AEDT)","from smtp.subspace.kernel.org (conduit.subspace.kernel.org\n [100.90.174.1])\n\tby tor.lore.kernel.org (Postfix) with ESMTP id D6500301FCA5\n\tfor ; Tue, 24 Mar 2026 17:56:16 +0000 (UTC)","from localhost.localdomain (localhost.localdomain [127.0.0.1])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id 307A23C8715;\n\tTue, 24 Mar 2026 17:56:16 +0000 (UTC)","from mgamail.intel.com (mgamail.intel.com [192.198.163.17])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby smtp.subspace.kernel.org (Postfix) with ESMTPS id 47D913A1683;\n\tTue, 24 Mar 2026 17:56:13 +0000 (UTC)","from fmviesa010.fm.intel.com ([10.60.135.150])\n by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 24 Mar 2026 10:55:45 -0700","from ijarvine-mobl1.ger.corp.intel.com (HELO localhost)\n ([10.245.244.217])\n by fmviesa010-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 24 Mar 2026 10:55:35 -0700"],"ARC-Seal":"i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1774374976; cv=none;\n b=c7cbHsgfeIhhovVejV0H7b47h1FaIAUQkhyVhXN14YTNu28cmHb3rRYd1zwsLRwNV1bqEdlL7kmcewkZnrLfCPhulomfJVPUbtJNW9+kINdIXpdJ7RigDCqREwalHBHh1UFkBcHdlyKibfmF+ByK6FaXqiB+pHC614btocmshLE=","ARC-Message-Signature":"i=1; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1774374976; c=relaxed/simple;\n\tbh=NL1mcB9ozeqOSsqCkkguLMRCIYPAgFUo0JaJzh10URc=;\n\th=From:Date:To:cc:Subject:In-Reply-To:Message-ID:References:\n\t MIME-Version:Content-Type;\n b=eQK8uDYYOOG+oNgjW6JjFZrVr+qAOM+SK5GtZuIQFD/TZNeYzf37y8lXBcfRvFHA97OzyJqzN3roEFo23/mv154w/qCqiBLrCdDVaqesFZCG4Ns6QKE3BYDrFqWM5LCCVdxX1sT+7DLjoEaTjlnE7jcDbvt9iWSBaldH1fCYwY0=","ARC-Authentication-Results":"i=1; smtp.subspace.kernel.org;\n dmarc=pass (p=none dis=none) header.from=linux.intel.com;\n spf=pass smtp.mailfrom=linux.intel.com;\n dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com\n header.b=YCQ9WpJE; arc=none smtp.client-ip=192.198.163.17","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple;\n d=intel.com; i=@intel.com; q=dns/txt; s=Intel;\n t=1774374974; x=1805910974;\n h=from:date:to:cc:subject:in-reply-to:message-id:\n references:mime-version;\n bh=NL1mcB9ozeqOSsqCkkguLMRCIYPAgFUo0JaJzh10URc=;\n b=YCQ9WpJEIuOh2fMNmwvSVP2FFRjdMjXdvqGUCZ4i9oGUX2X24Hg53oIp\n tdJ1rfQL8ZL8i9zKmj8XTH0M6Nroy7qZodrP32gmIEfBmtNeOmiLfP3r9\n Ex1OvzFyEaYV0uh+DUYUzWcMEihhQn69o3EwL8L2mX9TpMoFoDUlQ5WSa\n qoMbmuULpnZ4UqSxubwCj63JyW1lWPyyvmR9z+feNe2oBum+FJBMlUkRB\n Rf5uhizGwKpgoo4/E4Xwn35ysDE7t3y4dm/DTp8Zqk/i84b0UrbhU1n+b\n 9koqJ1UVFZ+YVrpgGVHrvd0m5dDssLbHw95kDzTnSWJAWWj0MRhIBcVib\n g==;","X-CSE-ConnectionGUID":["km9n6O3dReWAAI7LluP7OQ==","mUXuAQFLRnadhyMeGmty4g=="],"X-CSE-MsgGUID":["cO/M3LExSC2grBUM/0Soxw==","bujbx+8xS52CYl9LobjFjg=="],"X-IronPort-AV":["E=McAfee;i=\"6800,10657,11739\"; a=\"75307419\"","E=Sophos;i=\"6.23,138,1770624000\";\n d=\"scan'208\";a=\"75307419\"","E=Sophos;i=\"6.23,138,1770624000\";\n d=\"scan'208\";a=\"220002724\""],"X-ExtLoop1":"1","From":"=?utf-8?q?Ilpo_J=C3=A4rvinen?= ","Date":"Tue, 24 Mar 2026 19:55:32 +0200 (EET)","To":"John Paul Adrian Glaubitz ","cc":"linux-pci@vger.kernel.org, Bjorn Helgaas ,\n Guenter Roeck , linux-alpha@vger.kernel.org,\n linux-arm-kernel@lists.infradead.org, linux-m68k@lists.linux-m68k.org,\n linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org,\n linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org,\n linux-sh@vger.kernel.org, Russell King ,\n Geert Uytterhoeven ,\n Thomas Bogendoerfer ,\n \"James E.J. Bottomley\" ,\n Helge Deller , Michael Ellerman ,\n Thomas Gleixner , Ingo Molnar ,\n Borislav Petkov , Dave Hansen ,\n \"H. Peter Anvin\" , Chris Zankel ,\n Max Filippov ,\n Madhavan Srinivasan ,\n Yoshinori Sato ,\n Rich Felker ,\n LKML ","Subject":"Re: [PATCH 05/10] am68k/PCI: Remove unnecessary second application\n of align","In-Reply-To":"\n <5de97ed9556bfcc3b1f26bd71e09fa4016ae3ff8.camel@physik.fu-berlin.de>","Message-ID":"<1c08efcd-25e8-6436-52ab-ac3d50dcf58f@linux.intel.com>","References":"<20260324165633.4583-1-ilpo.jarvinen@linux.intel.com>\n <20260324165633.4583-6-ilpo.jarvinen@linux.intel.com>\n <5de97ed9556bfcc3b1f26bd71e09fa4016ae3ff8.camel@physik.fu-berlin.de>","Precedence":"bulk","X-Mailing-List":"linux-pci@vger.kernel.org","List-Id":"","List-Subscribe":"","List-Unsubscribe":"","MIME-Version":"1.0","Content-Type":"multipart/mixed; boundary=\"8323328-641337346-1774374932=:1055\""}},{"id":3668644,"web_url":"http://patchwork.ozlabs.org/comment/3668644/","msgid":"","list_archive_url":null,"date":"2026-03-24T18:36:27","subject":"Re: [PATCH 05/10] am68k/PCI: Remove unnecessary second application\n of align","submitter":{"id":4003,"url":"http://patchwork.ozlabs.org/api/people/4003/","name":"John Paul Adrian Glaubitz","email":"glaubitz@physik.fu-berlin.de"},"content":"On Tue, 2026-03-24 at 19:55 +0200, Ilpo Järvinen wrote:\n> On Tue, 24 Mar 2026, John Paul Adrian Glaubitz wrote:\n> \n> > Hi Ilpo,\n> > \n> > On Tue, 2026-03-24 at 18:56 +0200, Ilpo Järvinen wrote:\n> > > Aligning res->start by align inside pcibios_align_resource() is\n> > > unnecessary because caller of pcibios_align_resource() is\n> > > __find_resource_space() that aligns res->start with align before\n> > > calling pcibios_align_resource().\n> > > \n> > > Aligning by align in case of IORESOURCE_IO && start & 0x300 cannot ever\n> > > result in changing start either because 0x300 bits would have not\n> > > survived the earlier alignment if align was large enough to have an\n> > > impact.\n> > > \n> > > Thus, remove the duplicated aligning from pcibios_align_resource().\n> > > \n> > > Signed-off-by: Ilpo Järvinen \n> > > ---\n> > > arch/m68k/kernel/pcibios.c | 2 --\n> > > 1 file changed, 2 deletions(-)\n> > > \n> > > diff --git a/arch/m68k/kernel/pcibios.c b/arch/m68k/kernel/pcibios.c\n> > > index 1415f6e4e5ce..7e286ee1976b 100644\n> > > --- a/arch/m68k/kernel/pcibios.c\n> > > +++ b/arch/m68k/kernel/pcibios.c\n> > > @@ -36,8 +36,6 @@ 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> > > \treturn start;\n> > > }\n> > > \n> > \n> > Sorry if it's a stupid question, but what does \"am68k\" in the subject refer to?\n> \n> The extra \"a\" is a typo. I'm sorry about that.\n\nNo worries, I just thought I missed something obvious and felt stupid to ask ;-).\n\nAdrian","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=fu-berlin.de header.i=@fu-berlin.de header.a=rsa-sha256\n header.s=fub01 header.b=ROAR34qq;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c04:e001:36c::12fc:5321; helo=tor.lore.kernel.org;\n envelope-from=linux-pci+bounces-50947-incoming=patchwork.ozlabs.org@vger.kernel.org;\n receiver=patchwork.ozlabs.org)","smtp.subspace.kernel.org;\n\tdkim=pass (2048-bit key) header.d=fu-berlin.de header.i=@fu-berlin.de\n header.b=\"ROAR34qq\"","smtp.subspace.kernel.org;\n arc=none smtp.client-ip=130.133.4.66","smtp.subspace.kernel.org;\n dmarc=pass (p=none dis=none) header.from=physik.fu-berlin.de","smtp.subspace.kernel.org;\n spf=pass smtp.mailfrom=zedat.fu-berlin.de"],"Received":["from tor.lore.kernel.org (tor.lore.kernel.org\n [IPv6:2600:3c04:e001:36c::12fc:5321])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fgJfR3JV0z1yFq\n\tfor ; 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arc=none smtp.client-ip=130.133.4.66","DKIM-Signature":"v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed;\n\td=fu-berlin.de; s=fub01; h=MIME-Version:Content-Transfer-Encoding:\n\tContent-Type:References:In-Reply-To:Date:Cc:To:From:Subject:Message-ID:From:\n\tReply-To:Subject:Date:Message-ID:To:Cc:MIME-Version:Content-Type:\n\tContent-Transfer-Encoding:Content-ID:Content-Description:In-Reply-To:\n\tReferences; bh=TMacGYMUcDU/ZfxMzZ5qB4lAQfMCgWI9xYNANb/3NJE=; t=1774377398;\n\tx=1774982198; b=ROAR34qq8LtotAQ+z4eU9DUiOLRXMu1qt6BEJUtvAGwBMkEua9GWWTE8Nq5o1\n\tDQDO8gj44BlzhvHxqcy4Fe9Qd7jEPAM+JDU70D9BbWuGLXDbviVa8lb3VBc2aG8Hu4Jd7ZS85o1RL\n\t3vfS+JSQbjGL3IHDDFj0aSeoBe/qBt/lroiAaKfTUeug6ULI9EX3O146goonePpahvPga5SASG6kY\n\teF3cOFQvyHiND9/QgwhG/QOJzIYDiRFC539PiJWx/m7F65i2JlBQAlBXLn6kfyEDffe8rvX2AL78p\n\tMiO0St9DBDptfiY+hHmBZdImb1jjrOvCQbqPST5EUo6SCXrjHw==;","Message-ID":"\n ","Subject":"Re: [PATCH 05/10] am68k/PCI: Remove unnecessary second application\n of align","From":"John Paul Adrian Glaubitz ","To":"Ilpo =?iso-8859-1?q?J=E4rvinen?= ","Cc":"linux-pci@vger.kernel.org, Bjorn Helgaas , Guenter\n Roeck , linux-alpha@vger.kernel.org,\n linux-arm-kernel@lists.infradead.org, \tlinux-m68k@lists.linux-m68k.org,\n linux-mips@vger.kernel.org, \tlinux-parisc@vger.kernel.org,\n linuxppc-dev@lists.ozlabs.org, \tlinux-s390@vger.kernel.org,\n linux-sh@vger.kernel.org, Russell King\t , Geert\n Uytterhoeven , Thomas Bogendoerfer\n , \"James E.J. Bottomley\"\n , Helge Deller\t ,\n Michael Ellerman , Thomas Gleixner\t ,\n Ingo Molnar , Borislav Petkov , Dave\n Hansen , \"H. Peter Anvin\" ,\n Chris Zankel , Max Filippov ,\n Madhavan Srinivasan , Yoshinori Sato\t\n , Rich Felker , LKML\t\n ","Date":"Tue, 24 Mar 2026 19:36:27 +0100","In-Reply-To":"<1c08efcd-25e8-6436-52ab-ac3d50dcf58f@linux.intel.com>","References":"<20260324165633.4583-1-ilpo.jarvinen@linux.intel.com>\n\t <20260324165633.4583-6-ilpo.jarvinen@linux.intel.com>\n\t <5de97ed9556bfcc3b1f26bd71e09fa4016ae3ff8.camel@physik.fu-berlin.de>\n\t <1c08efcd-25e8-6436-52ab-ac3d50dcf58f@linux.intel.com>","Content-Type":"text/plain; charset=\"UTF-8\"","Content-Transfer-Encoding":"quoted-printable","User-Agent":"Evolution 3.58.3 ","Precedence":"bulk","X-Mailing-List":"linux-pci@vger.kernel.org","List-Id":"","List-Subscribe":"","List-Unsubscribe":"","MIME-Version":"1.0","X-Original-Sender":"glaubitz@physik.fu-berlin.de","X-ZEDAT-Hint":"PO"}},{"id":3670039,"web_url":"http://patchwork.ozlabs.org/comment/3670039/","msgid":"","list_archive_url":null,"date":"2026-03-27T02:55:55","subject":"Re: [PATCH 05/10] am68k/PCI: Remove unnecessary second application of\n align","submitter":{"id":70179,"url":"http://patchwork.ozlabs.org/api/people/70179/","name":"Greg Ungerer","email":"gerg@linux-m68k.org"},"content":"On 25/3/26 02:56, Ilpo Järvinen wrote:\n> Aligning res->start by align inside pcibios_align_resource() is\n> unnecessary because caller of pcibios_align_resource() is\n> __find_resource_space() that aligns res->start with align before\n> calling pcibios_align_resource().\n> \n> Aligning by align in case of IORESOURCE_IO && start & 0x300 cannot ever\n> result in changing start either because 0x300 bits would have not\n> survived the earlier alignment if align was large enough to have an\n> impact.\n> \n> Thus, remove the duplicated aligning from pcibios_align_resource().\n> \n> Signed-off-by: Ilpo Järvinen \n\nLGTM.\n\nAcked-by: Greg Ungerer \n\n\n> ---\n> arch/m68k/kernel/pcibios.c | 2 --\n> 1 file changed, 2 deletions(-)\n> \n> diff --git a/arch/m68k/kernel/pcibios.c b/arch/m68k/kernel/pcibios.c\n> index 1415f6e4e5ce..7e286ee1976b 100644\n> --- a/arch/m68k/kernel/pcibios.c\n> +++ b/arch/m68k/kernel/pcibios.c\n> @@ -36,8 +36,6 @@ 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> \treturn start;\n> }\n>","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 spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=172.234.253.10; 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Bottomley\" ,\n Helge Deller , Michael Ellerman ,\n Thomas Gleixner , Ingo Molnar ,\n Borislav Petkov , Dave Hansen ,\n \"H. Peter Anvin\" , Chris Zankel ,\n Max Filippov , Madhavan Srinivasan ,\n Yoshinori Sato , Rich Felker ,\n John Paul Adrian Glaubitz ,\n linux-kernel@vger.kernel.org","References":"<20260324165633.4583-1-ilpo.jarvinen@linux.intel.com>\n <20260324165633.4583-6-ilpo.jarvinen@linux.intel.com>","Content-Language":"en-US","From":"Greg Ungerer ","In-Reply-To":"<20260324165633.4583-6-ilpo.jarvinen@linux.intel.com>","Content-Type":"text/plain; charset=UTF-8; format=flowed","Content-Transfer-Encoding":"8bit"}}]