[{"id":3678997,"web_url":"http://patchwork.ozlabs.org/comment/3678997/","msgid":"<20260418190921.GS41863@bill-the-cat>","list_archive_url":null,"date":"2026-04-18T19:09:21","subject":"Re: [PATCH 1/1] scripts/dtc: avoid discarded qualifiers in\n overlay_fixup_phandle","submitter":{"id":65875,"url":"http://patchwork.ozlabs.org/api/people/65875/","name":"Tom Rini","email":"trini@konsulko.com"},"content":"On Sat, Apr 18, 2026 at 08:15:10PM +0200, Heinrich Schuchardt wrote:\n\n> When building with GCC 15.2 the following warning show up:\n> \n> scripts/dtc/libfdt/fdt_overlay.c:422:21: warning:\n> assignment discards ‘const’ qualifier from pointer target type\n> [-Wdiscarded-qualifiers]\n> 422 | sep = memchr(fixup_str, ':', fixup_len);\n> | ^\n> scripts/dtc/libfdt/fdt_overlay.c:432:21: warning:\n> assignment discards ‘const’ qualifier from pointer target type\n> [-Wdiscarded-qualifiers]\n> 432 | sep = memchr(name, ':', fixup_len);\n> | ^\n> \n> Define sep as const char *.\n> \n> Signed-off-by: Heinrich Schuchardt \n> ---\n> scripts/dtc/libfdt/fdt_overlay.c | 3 ++-\n> 1 file changed, 2 insertions(+), 1 deletion(-)\n\nIs this something already fixed in upstream dtc?","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=konsulko.com header.i=@konsulko.com header.a=rsa-sha256\n header.s=google header.b=aXD4aYci;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de\n (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; 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micalg=pgp-sha512;\n protocol=\"application/pgp-signature\"; boundary=\"CUzb8Px2/8HG4rbF\"","Content-Disposition":"inline","In-Reply-To":"<20260418181510.51490-1-heinrich.schuchardt@canonical.com>","X-Clacks-Overhead":"GNU Terry Pratchett","X-BeenThere":"u-boot@lists.denx.de","X-Mailman-Version":"2.1.39","Precedence":"list","List-Id":"U-Boot discussion ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"u-boot-bounces@lists.denx.de","Sender":"\"U-Boot\" ","X-Virus-Scanned":"clamav-milter 0.103.8 at phobos.denx.de","X-Virus-Status":"Clean"}},{"id":3679002,"web_url":"http://patchwork.ozlabs.org/comment/3679002/","msgid":"","list_archive_url":null,"date":"2026-04-18T19:46:47","subject":"Re: [PATCH 1/1] scripts/dtc: avoid discarded qualifiers in\n overlay_fixup_phandle","submitter":{"id":82181,"url":"http://patchwork.ozlabs.org/api/people/82181/","name":"Heinrich Schuchardt","email":"heinrich.schuchardt@canonical.com"},"content":"On 4/18/26 21:09, Tom Rini wrote:\n> On Sat, Apr 18, 2026 at 08:15:10PM +0200, Heinrich Schuchardt wrote:\n> \n>> When building with GCC 15.2 the following warning show up:\n>>\n>> scripts/dtc/libfdt/fdt_overlay.c:422:21: warning:\n>> assignment discards ‘const’ qualifier from pointer target type\n>> [-Wdiscarded-qualifiers]\n>> 422 | sep = memchr(fixup_str, ':', fixup_len);\n>> | ^\n>> scripts/dtc/libfdt/fdt_overlay.c:432:21: warning:\n>> assignment discards ‘const’ qualifier from pointer target type\n>> [-Wdiscarded-qualifiers]\n>> 432 | sep = memchr(name, ':', fixup_len);\n>> | ^\n>>\n>> Define sep as const char *.\n>>\n>> Signed-off-by: Heinrich Schuchardt \n>> ---\n>> scripts/dtc/libfdt/fdt_overlay.c | 3 ++-\n>> 1 file changed, 2 insertions(+), 1 deletion(-)\n> \n> Is this something already fixed in upstream dtc?\n> \n\n9a1c801a1a3c (\"Fix discarded const qualifiers\")\nin git://git.kernel.org/pub/scm/utils/dtc/dtc.git\nimplements a similar change.\n\nBut the patch is not applicable:\n\nerror: scripts/dtc/fdtput.c: does not exist in index\nerror: scripts/dtc/meson.build: does not exist in index\n\nThe change in fdt_overlay.c is identical.\n\nBest regards\n\nHeinrich","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (4096-bit key;\n unprotected) header.d=canonical.com header.i=@canonical.com\n header.a=rsa-sha256 header.s=20251003 header.b=RMk2I6eT;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de\n (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; 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charset=UTF-8; format=flowed","Content-Transfer-Encoding":"8bit","X-BeenThere":"u-boot@lists.denx.de","X-Mailman-Version":"2.1.39","Precedence":"list","List-Id":"U-Boot discussion ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"u-boot-bounces@lists.denx.de","Sender":"\"U-Boot\" ","X-Virus-Scanned":"clamav-milter 0.103.8 at phobos.denx.de","X-Virus-Status":"Clean"}},{"id":3679003,"web_url":"http://patchwork.ozlabs.org/comment/3679003/","msgid":"<20260418194953.GT41863@bill-the-cat>","list_archive_url":null,"date":"2026-04-18T19:49:53","subject":"Re: [PATCH 1/1] scripts/dtc: avoid discarded qualifiers in\n overlay_fixup_phandle","submitter":{"id":65875,"url":"http://patchwork.ozlabs.org/api/people/65875/","name":"Tom Rini","email":"trini@konsulko.com"},"content":"On Sat, Apr 18, 2026 at 09:46:47PM +0200, Heinrich Schuchardt wrote:\n> On 4/18/26 21:09, Tom Rini wrote:\n> > On Sat, Apr 18, 2026 at 08:15:10PM +0200, Heinrich Schuchardt wrote:\n> > \n> > > When building with GCC 15.2 the following warning show up:\n> > > \n> > > scripts/dtc/libfdt/fdt_overlay.c:422:21: warning:\n> > > assignment discards ‘const’ qualifier from pointer target type\n> > > [-Wdiscarded-qualifiers]\n> > > 422 | sep = memchr(fixup_str, ':', fixup_len);\n> > > | ^\n> > > scripts/dtc/libfdt/fdt_overlay.c:432:21: warning:\n> > > assignment discards ‘const’ qualifier from pointer target type\n> > > [-Wdiscarded-qualifiers]\n> > > 432 | sep = memchr(name, ':', fixup_len);\n> > > | ^\n> > > \n> > > Define sep as const char *.\n> > > \n> > > Signed-off-by: Heinrich Schuchardt \n> > > ---\n> > > scripts/dtc/libfdt/fdt_overlay.c | 3 ++-\n> > > 1 file changed, 2 insertions(+), 1 deletion(-)\n> > \n> > Is this something already fixed in upstream dtc?\n> > \n> \n> 9a1c801a1a3c (\"Fix discarded const qualifiers\")\n> in git://git.kernel.org/pub/scm/utils/dtc/dtc.git\n> implements a similar change.\n> \n> But the patch is not applicable:\n> \n> error: scripts/dtc/fdtput.c: does not exist in index\n> error: scripts/dtc/meson.build: does not exist in index\n> \n> The change in fdt_overlay.c is identical.\n\nYeah, we need to re-sync with the kernel again, and there's some other\nissue to sort out. I don't recall what, just that someone else had\nlooked and it wasn't a \"update, no changes required\". So we should look\nin to that I think. I don't know if gcc-15.2.x has released with a bug\nfix for building all of our platforms or not yet:\nhttps://gcc.gnu.org/bugzilla/show_bug.cgi?id=121588","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=konsulko.com header.i=@konsulko.com header.a=rsa-sha256\n header.s=google header.b=BCHX8zzc;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de\n (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; helo=phobos.denx.de;\n envelope-from=u-boot-bounces@lists.denx.de; receiver=patchwork.ozlabs.org)","phobos.denx.de;\n dmarc=pass (p=none dis=none) header.from=konsulko.com","phobos.denx.de;\n spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de","phobos.denx.de;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=konsulko.com header.i=@konsulko.com\n header.b=\"BCHX8zzc\";\n\tdkim-atps=neutral","phobos.denx.de;\n dmarc=pass (p=none dis=none) header.from=konsulko.com","phobos.denx.de;\n spf=pass smtp.mailfrom=trini@konsulko.com"],"Received":["from phobos.denx.de (phobos.denx.de\n [IPv6:2a01:238:438b:c500:173d:9f52:ddab:ee01])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fyj5V1m4kz1yGt\n\tfor ; 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micalg=pgp-sha512;\n protocol=\"application/pgp-signature\"; boundary=\"DgLeuglLftnjHMn0\"","Content-Disposition":"inline","In-Reply-To":"","X-Clacks-Overhead":"GNU Terry Pratchett","X-BeenThere":"u-boot@lists.denx.de","X-Mailman-Version":"2.1.39","Precedence":"list","List-Id":"U-Boot discussion ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"u-boot-bounces@lists.denx.de","Sender":"\"U-Boot\" ","X-Virus-Scanned":"clamav-milter 0.103.8 at phobos.denx.de","X-Virus-Status":"Clean"}},{"id":3679005,"web_url":"http://patchwork.ozlabs.org/comment/3679005/","msgid":"<9447010a-c660-4776-8d8c-4313f4c40ae4@canonical.com>","list_archive_url":null,"date":"2026-04-18T20:01:29","subject":"Re: [PATCH 1/1] scripts/dtc: avoid discarded qualifiers in\n overlay_fixup_phandle","submitter":{"id":82181,"url":"http://patchwork.ozlabs.org/api/people/82181/","name":"Heinrich Schuchardt","email":"heinrich.schuchardt@canonical.com"},"content":"On 4/18/26 21:49, Tom Rini wrote:\n> On Sat, Apr 18, 2026 at 09:46:47PM +0200, Heinrich Schuchardt wrote:\n>> On 4/18/26 21:09, Tom Rini wrote:\n>>> On Sat, Apr 18, 2026 at 08:15:10PM +0200, Heinrich Schuchardt wrote:\n>>>\n>>>> When building with GCC 15.2 the following warning show up:\n>>>>\n>>>> scripts/dtc/libfdt/fdt_overlay.c:422:21: warning:\n>>>> assignment discards ‘const’ qualifier from pointer target type\n>>>> [-Wdiscarded-qualifiers]\n>>>> 422 | sep = memchr(fixup_str, ':', fixup_len);\n>>>> | ^\n>>>> scripts/dtc/libfdt/fdt_overlay.c:432:21: warning:\n>>>> assignment discards ‘const’ qualifier from pointer target type\n>>>> [-Wdiscarded-qualifiers]\n>>>> 432 | sep = memchr(name, ':', fixup_len);\n>>>> | ^\n>>>>\n>>>> Define sep as const char *.\n>>>>\n>>>> Signed-off-by: Heinrich Schuchardt \n>>>> ---\n>>>> scripts/dtc/libfdt/fdt_overlay.c | 3 ++-\n>>>> 1 file changed, 2 insertions(+), 1 deletion(-)\n>>>\n>>> Is this something already fixed in upstream dtc?\n>>>\n>>\n>> 9a1c801a1a3c (\"Fix discarded const qualifiers\")\n>> in git://git.kernel.org/pub/scm/utils/dtc/dtc.git\n>> implements a similar change.\n>>\n>> But the patch is not applicable:\n>>\n>> error: scripts/dtc/fdtput.c: does not exist in index\n>> error: scripts/dtc/meson.build: does not exist in index\n>>\n>> The change in fdt_overlay.c is identical.\n> \n> Yeah, we need to re-sync with the kernel again, and there's some other\n> issue to sort out. I don't recall what, just that someone else had\n> looked and it wasn't a \"update, no changes required\". So we should look\n> in to that I think. I don't know if gcc-15.2.x has released with a bug\n> fix for building all of our platforms or not yet:\n> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121588\n> \n\nhttps://gcc.gnu.org/bugzilla/show_bug.cgi?id=121588 is marked as closed \nand backported.\n\nreleases/gcc-15.2.0-665-g4886dd899bb\n4886dd899bbb (\"lto: Fix SegFault in ICF caused by missing body\")\n\nThis is in Debian and Ubuntu since release 15.2.0-15.\nUbuntu 26.04 is at 15.2.0-16ubuntu1.\n\nBest regards\n\nHeinrich","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (4096-bit key;\n unprotected) header.d=canonical.com header.i=@canonical.com\n header.a=rsa-sha256 header.s=20251003 header.b=Nu8/EGiJ;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de\n (client-ip=85.214.62.61; helo=phobos.denx.de;\n envelope-from=u-boot-bounces@lists.denx.de; receiver=patchwork.ozlabs.org)","phobos.denx.de;\n dmarc=pass (p=reject dis=none) header.from=canonical.com","phobos.denx.de;\n spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de","phobos.denx.de;\n\tdkim=pass (4096-bit key;\n unprotected) header.d=canonical.com header.i=@canonical.com\n header.b=\"Nu8/EGiJ\";\n\tdkim-atps=neutral","phobos.denx.de; dmarc=pass (p=reject dis=none)\n header.from=canonical.com","phobos.denx.de; spf=pass\n smtp.mailfrom=heinrich.schuchardt@canonical.com"],"Received":["from phobos.denx.de (phobos.denx.de [85.214.62.61])\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 4fyjLs5plHz1y1V\n\tfor ; Sun, 19 Apr 2026 06:01:41 +1000 (AEST)","from h2850616.stratoserver.net (localhost [IPv6:::1])\n\tby phobos.denx.de (Postfix) with ESMTP id 0221283B99;\n\tSat, 18 Apr 2026 22:01:37 +0200 (CEST)","by phobos.denx.de (Postfix, from userid 109)\n id 5C52383BC8; Sat, 18 Apr 2026 22:01:35 +0200 (CEST)","from smtp-relay-internal-1.canonical.com\n (smtp-relay-internal-1.canonical.com [185.125.188.123])\n (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits))\n (No client certificate requested)\n by phobos.denx.de (Postfix) with ESMTPS id 197B7839D9\n for ; Sat, 18 Apr 2026 22:01:33 +0200 (CEST)","from mail-wr1-f70.google.com (mail-wr1-f70.google.com\n [209.85.221.70])\n (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest\n SHA256)\n (No client certificate requested)\n by smtp-relay-internal-1.canonical.com (Postfix) with ESMTPS id 99ABD3F181\n for ; Sat, 18 Apr 2026 20:01:32 +0000 (UTC)","by mail-wr1-f70.google.com with SMTP id\n ffacd0b85a97d-43d780601b7so1235844f8f.2\n for ; Sat, 18 Apr 2026 13:01:32 -0700 (PDT)","from [192.168.123.154]\n (ip-176-199-115-125.um44.pools.vodafone-ip.de. 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charset=UTF-8; format=flowed","Content-Transfer-Encoding":"8bit","X-BeenThere":"u-boot@lists.denx.de","X-Mailman-Version":"2.1.39","Precedence":"list","List-Id":"U-Boot discussion ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"u-boot-bounces@lists.denx.de","Sender":"\"U-Boot\" ","X-Virus-Scanned":"clamav-milter 0.103.8 at phobos.denx.de","X-Virus-Status":"Clean"}},{"id":3679035,"web_url":"http://patchwork.ozlabs.org/comment/3679035/","msgid":"<20260418225258.GU41863@bill-the-cat>","list_archive_url":null,"date":"2026-04-18T22:52:58","subject":"Re: [PATCH 1/1] scripts/dtc: avoid discarded qualifiers in\n overlay_fixup_phandle","submitter":{"id":65875,"url":"http://patchwork.ozlabs.org/api/people/65875/","name":"Tom Rini","email":"trini@konsulko.com"},"content":"On Sat, Apr 18, 2026 at 10:01:29PM +0200, Heinrich Schuchardt wrote:\n> On 4/18/26 21:49, Tom Rini wrote:\n> > On Sat, Apr 18, 2026 at 09:46:47PM +0200, Heinrich Schuchardt wrote:\n> > > On 4/18/26 21:09, Tom Rini wrote:\n> > > > On Sat, Apr 18, 2026 at 08:15:10PM +0200, Heinrich Schuchardt wrote:\n> > > > \n> > > > > When building with GCC 15.2 the following warning show up:\n> > > > > \n> > > > > scripts/dtc/libfdt/fdt_overlay.c:422:21: warning:\n> > > > > assignment discards ‘const’ qualifier from pointer target type\n> > > > > [-Wdiscarded-qualifiers]\n> > > > > 422 | sep = memchr(fixup_str, ':', fixup_len);\n> > > > > | ^\n> > > > > scripts/dtc/libfdt/fdt_overlay.c:432:21: warning:\n> > > > > assignment discards ‘const’ qualifier from pointer target type\n> > > > > [-Wdiscarded-qualifiers]\n> > > > > 432 | sep = memchr(name, ':', fixup_len);\n> > > > > | ^\n> > > > > \n> > > > > Define sep as const char *.\n> > > > > \n> > > > > Signed-off-by: Heinrich Schuchardt \n> > > > > ---\n> > > > > scripts/dtc/libfdt/fdt_overlay.c | 3 ++-\n> > > > > 1 file changed, 2 insertions(+), 1 deletion(-)\n> > > > \n> > > > Is this something already fixed in upstream dtc?\n> > > > \n> > > \n> > > 9a1c801a1a3c (\"Fix discarded const qualifiers\")\n> > > in git://git.kernel.org/pub/scm/utils/dtc/dtc.git\n> > > implements a similar change.\n> > > \n> > > But the patch is not applicable:\n> > > \n> > > error: scripts/dtc/fdtput.c: does not exist in index\n> > > error: scripts/dtc/meson.build: does not exist in index\n> > > \n> > > The change in fdt_overlay.c is identical.\n> > \n> > Yeah, we need to re-sync with the kernel again, and there's some other\n> > issue to sort out. I don't recall what, just that someone else had\n> > looked and it wasn't a \"update, no changes required\". So we should look\n> > in to that I think. I don't know if gcc-15.2.x has released with a bug\n> > fix for building all of our platforms or not yet:\n> > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121588\n> > \n> \n> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121588 is marked as closed and\n> backported.\n> \n> releases/gcc-15.2.0-665-g4886dd899bb\n> 4886dd899bbb (\"lto: Fix SegFault in ICF caused by missing body\")\n> \n> This is in Debian and Ubuntu since release 15.2.0-15.\n> Ubuntu 26.04 is at 15.2.0-16ubuntu1.\n\nAnd not in\nhttps://www.kernel.org/pub/tools/crosstool/files/bin/x86_64/15.2.0/ so\nnot available to CI yet. So I would like to see if we can move up our\ndtc backport of the kernel backport, by the time there's new crosstools\navailable.","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=konsulko.com header.i=@konsulko.com header.a=rsa-sha256\n header.s=google header.b=n2RmnFgZ;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de\n (client-ip=85.214.62.61; helo=phobos.denx.de;\n envelope-from=u-boot-bounces@lists.denx.de; receiver=patchwork.ozlabs.org)","phobos.denx.de;\n dmarc=pass (p=none dis=none) header.from=konsulko.com","phobos.denx.de;\n spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de","phobos.denx.de;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=konsulko.com header.i=@konsulko.com\n header.b=\"n2RmnFgZ\";\n\tdkim-atps=neutral","phobos.denx.de;\n dmarc=pass (p=none dis=none) header.from=konsulko.com","phobos.denx.de;\n spf=pass smtp.mailfrom=trini@konsulko.com"],"Received":["from phobos.denx.de (phobos.denx.de [85.214.62.61])\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 4fyn8m1QVBz1yDF\n\tfor ; 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