From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 834BFCD4F3C for ; Mon, 18 May 2026 10:50:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=613kovGpTvhuAM0CvMdqsW4kkHDDD6hhLd4A7wDyFwg=; b=m/6nLi6BLJT5rab2RcpnOmCoJT TKbJdglFd26kbX83QvDkHbJ3dvjLm9ooCLP4798JI8SS0/bhnVgQeicgIKrx0P/ZBfadzDuThLSFD juiGzfs1ztYQOdSA8pAPJFOrdvYvgiPcilHg4ezqb8ko3BHYcazY8sa5qqa361oXJrZ6H6gXBr6OL A6dXF2R6io2ftFb1xyGy392DwCgEiwmXhG/oCiRgHg6zrsf3WEOfsmNZqauva/hTtd3drzAnXZ3eY +fu8fv3m/pFOFNFblQbCGFLMMUubntbipkXBM2n0AGnmQUO4EIaTB2XDGOJ/S/DNaLRBFzbyP+TLa mp/zHWqg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wOvXm-0000000FJbs-0V0a; Mon, 18 May 2026 10:49:54 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wOvXi-0000000FJae-0uPJ for linux-arm-kernel@lists.infradead.org; Mon, 18 May 2026 10:49:51 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 32ABB4446C; Mon, 18 May 2026 10:49:49 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8FC5DC2BCB7; Mon, 18 May 2026 10:49:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1779101389; bh=42jNNsHQpsQpdQu92rwfrOHOBcpmK94BPUkm62USyd4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=bvmkqrM+eXFjvGXVjJHiwUCycK215Afb0uWDNVzd1/qkeeUmDxVKwfS8cLg9LcLFf gSI0Vp7+TKoFzL9pIp3Ga8zHUcTvD0kmsveZ2nd3ds7cGPM81D3VR4kwFq9v4CNLjR /m8B69I8qyU/qSTxlW0YVjITv6VzOn4aKpDD49W8= Date: Mon, 18 May 2026 12:49:03 +0200 From: Greg Kroah-Hartman To: Shashank Balaji Cc: Suzuki K Poulose , James Clark , Alexander Shishkin , "Rafael J. Wysocki" , Danilo Krummrich , Miguel Ojeda , Boqun Feng , Gary Guo , =?iso-8859-1?Q?Bj=F6rn?= Roy Baron , Benno Lossin , Andreas Hindborg , Alice Ryhl , Trevor Gross , Jonathan Corbet , Shuah Khan , Luis Chamberlain , Petr Pavlu , Daniel Gomez , Sami Tolvanen , Aaron Tomlin , Mike Leach , Leo Yan , Thierry Reding , Jonathan Hunter , Rahul Bukte , linux-kernel@vger.kernel.org, coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org, driver-core@lists.linux.dev, rust-for-linux@vger.kernel.org, linux-doc@vger.kernel.org, Daniel Palmer , Tim Bird , linux-modules@vger.kernel.org, linux-tegra@vger.kernel.org, Sumit Gupta Subject: Re: [PATCH v5 4/4] driver core: platform: set mod_name in driver registration Message-ID: <2026051849-life-almanac-224e@gregkh> References: <20260518-acpi_mod_name-v5-0-705ccc430885@sony.com> <20260518-acpi_mod_name-v5-4-705ccc430885@sony.com> <2026051827-curler-disjoin-c83f@gregkh> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260518_034950_296953_EF4F914C X-CRM114-Status: GOOD ( 23.21 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, May 18, 2026 at 07:32:28PM +0900, Shashank Balaji wrote: > On Mon, May 18, 2026 at 12:27:13PM +0200, Greg Kroah-Hartman wrote: > > On Mon, May 18, 2026 at 07:20:00PM +0900, Shashank Balaji wrote: > > > Pass KBUILD_MODNAME through the driver registration macro so that > > > the driver core can create the module symlink in sysfs for built-in > > > drivers, and fixup all callers. > > > > > > The Rust platform adapter is updated to pass the module name through to the new > > > parameter. > > > > > > Tested on qemu with: > > > - x86 defconfig + CONFIG_RUST > > > - arm64 defconfig + CONFIG_RUST + CONFIG_CORESIGHT stuff > > > > > > Examples after this patch: > > > > > > /sys/bus/platform/drivers/... > > > coresight-itnoc/module -> coresight_tnoc > > > coresight-static-tpdm/module -> coresight_tpdm > > > coresight-catu-platform/module -> coresight_catu > > > serial8250/module -> 8250 > > > acpi-ged/module -> acpi > > > vmclock/module -> ptp_vmclock > > > > > > Co-developed-by: Rahul Bukte > > > Signed-off-by: Rahul Bukte > > > Signed-off-by: Shashank Balaji > > > --- > > > This patch depends on patches 1, 2, 3 > > > --- > > > Documentation/driver-api/driver-model/platform.rst | 3 ++- > > > drivers/base/platform.c | 21 ++++++++++++++------- > > > drivers/hwtracing/coresight/coresight-core.c | 5 +++-- > > > include/linux/coresight.h | 5 +++-- > > > include/linux/platform_device.h | 17 +++++++++-------- > > > rust/kernel/platform.rs | 4 +++- > > > 6 files changed, 34 insertions(+), 21 deletions(-) > > > > > > diff --git a/Documentation/driver-api/driver-model/platform.rst b/Documentation/driver-api/driver-model/platform.rst > > > index cf5ff48d3115..9673470bded2 100644 > > > --- a/Documentation/driver-api/driver-model/platform.rst > > > +++ b/Documentation/driver-api/driver-model/platform.rst > > > @@ -70,7 +70,8 @@ Kernel modules can be composed of several platform drivers. The platform core > > > provides helpers to register and unregister an array of drivers:: > > > > > > int __platform_register_drivers(struct platform_driver * const *drivers, > > > - unsigned int count, struct module *owner); > > > + unsigned int count, struct module *owner, > > > + const char *mod_name); > > > > Why can't you just use the owner->name value instead? They are always > > the same here, right? > > owner is NULL for built-in modules. Ah, sorry, forgot about that.