{"id":2227979,"url":"http://patchwork.ozlabs.org/api/patches/2227979/?format=json","web_url":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260424160259.2672722-2-johan@kernel.org/","project":{"id":2,"url":"http://patchwork.ozlabs.org/api/projects/2/?format=json","name":"Linux PPC development","link_name":"linuxppc-dev","list_id":"linuxppc-dev.lists.ozlabs.org","list_email":"linuxppc-dev@lists.ozlabs.org","web_url":"https://github.com/linuxppc/wiki/wiki","scm_url":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git","webscm_url":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/","list_archive_url":"https://lore.kernel.org/linuxppc-dev/","list_archive_url_format":"https://lore.kernel.org/linuxppc-dev/{}/","commit_url_format":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id={}"},"msgid":"<20260424160259.2672722-2-johan@kernel.org>","list_archive_url":"https://lore.kernel.org/linuxppc-dev/20260424160259.2672722-2-johan@kernel.org/","date":"2026-04-24T16:02:57","name":"[v2,1/3] powerpc/ps3: switch to dynamic system bus root device","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"4fd1b4a3cbe5f551518d02a990885821f99e4f52","submitter":{"id":64666,"url":"http://patchwork.ozlabs.org/api/people/64666/?format=json","name":"Johan Hovold","email":"johan@kernel.org"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260424160259.2672722-2-johan@kernel.org/mbox/","series":[{"id":501391,"url":"http://patchwork.ozlabs.org/api/series/501391/?format=json","web_url":"http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=501391","date":"2026-04-24T16:02:57","name":"powerpc: switch to dynamic root devices","version":2,"mbox":"http://patchwork.ozlabs.org/series/501391/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2227979/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2227979/checks/","tags":{},"related":[],"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linuxppc-dev@lists.ozlabs.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=kHPx5zDe;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org\n (client-ip=2404:9400:21b9:f100::1; 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lists.ozlabs.org;\n dmarc=pass (p=quarantine dis=none) header.from=kernel.org;\n dkim=pass (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=kHPx5zDe; dkim-atps=neutral;\n spf=pass (client-ip=2600:3c0a:e001:78e:0:1991:8:25;\n helo=sea.source.kernel.org; envelope-from=johan@kernel.org;\n receiver=lists.ozlabs.org) smtp.mailfrom=kernel.org","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org;\n\ts=k20201202; t=1777046632;\n\tbh=OpjYnvUINC0m/fERNUlL4a3+lpA8IFC0Re5p9y/suRY=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=kHPx5zDeAWeJIGcgZA6QqcJE9toft/blPMdaDaFKnu4DQf+K7B8fuF1ef4m2JhmKb\n\t 9t2l4/TtcsBjz+6bsUaSGseDixTCFT3GOqugf+F7o9a7Oy7EWNkJQ2eSuy5v/eHeco\n\t a0Xm4Dfzos6CG+I9ttnvmRpAluFfu+zIxB9kA8hvrn6WRlHMB+Y8risu8KQMznvdfj\n\t obiDYVOKkAbBlUJjhpqk+qbGwF50onmRd1MvmeOdj+7fKoG7OG0PL8F28aIcOOCG2x\n\t WC6NeRazMriMZ7eREcgtG+C/AMlxpbGbstDeaV8oXVU1nSvZD2pZeN67z65FrHXayE\n\t kts7z/a9NB3iQ==","From":"Johan Hovold ","To":"Geoff Levand ,\n\tMadhavan Srinivasan ,\n\tMichael Ellerman ","Cc":"Nicholas Piggin ,\n\tChristophe Leroy ,\n\tGreg Kroah-Hartman ,\n\tlinuxppc-dev@lists.ozlabs.org,\n\tlinux-kernel@vger.kernel.org,\n\tJohan Hovold ","Subject":"[PATCH v2 1/3] powerpc/ps3: switch to dynamic system bus root device","Date":"Fri, 24 Apr 2026 18:02:57 +0200","Message-ID":"<20260424160259.2672722-2-johan@kernel.org>","X-Mailer":"git-send-email 2.53.0","In-Reply-To":"<20260424160259.2672722-1-johan@kernel.org>","References":"<20260424160259.2672722-1-johan@kernel.org>","X-Mailing-List":"linuxppc-dev@lists.ozlabs.org","List-Id":"","List-Help":"","List-Owner":"","List-Post":"","List-Archive":",\n ","List-Subscribe":",\n ,\n ","List-Unsubscribe":"","Precedence":"list","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","X-Spam-Status":"No, score=-0.2 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED,\n\tDKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS\n\tautolearn=disabled version=4.0.1 OzLabs 8","X-Spam-Checker-Version":"SpamAssassin 4.0.1 (2024-03-25) on lists.ozlabs.org"},"content":"Driver core expects devices to be dynamically allocated and will, for\nexample, complain loudly if a device that lacks a release function\nis ever freed.\n\nUse root_device_register() to allocate and register the root device\ninstead of open coding using a static device.\n\nSigned-off-by: Johan Hovold \n---\n arch/powerpc/platforms/ps3/system-bus.c | 10 ++++------\n 1 file changed, 4 insertions(+), 6 deletions(-)","diff":"diff --git a/arch/powerpc/platforms/ps3/system-bus.c b/arch/powerpc/platforms/ps3/system-bus.c\nindex 0537a678a32f..4ead6ccea259 100644\n--- a/arch/powerpc/platforms/ps3/system-bus.c\n+++ b/arch/powerpc/platforms/ps3/system-bus.c\n@@ -20,9 +20,7 @@\n \n #include \"platform.h\"\n \n-static struct device ps3_system_bus = {\n-\t.init_name = \"ps3_system\",\n-};\n+static struct device *ps3_system_bus;\n \n /* FIXME: need device usage counters! */\n static struct {\n@@ -486,8 +484,8 @@ static int __init ps3_system_bus_init(void)\n \n \tmutex_init(&usage_hack.mutex);\n \n-\tresult = device_register(&ps3_system_bus);\n-\tBUG_ON(result);\n+\tps3_system_bus = root_device_register(\"ps3_system\");\n+\tBUG_ON(IS_ERR(ps3_system_bus));\n \n \tresult = bus_register(&ps3_system_bus_type);\n \tBUG_ON(result);\n@@ -744,7 +742,7 @@ int ps3_system_bus_device_register(struct ps3_system_bus_device *dev)\n \tstatic unsigned int dev_lpm_count;\n \n \tif (!dev->core.parent)\n-\t\tdev->core.parent = &ps3_system_bus;\n+\t\tdev->core.parent = ps3_system_bus;\n \tdev->core.bus = &ps3_system_bus_type;\n \tdev->core.release = ps3_system_bus_release_device;\n \n","prefixes":["v2","1/3"]}