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 A2B01CD4F3C for ; Mon, 18 May 2026 10:32:43 +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=Qg52IZakrDwa+7/YtZM2VQOBVW4gzCDrQLRgDaIE4Fk=; b=3AEUy++EawkBccVK0QTRoevYuB OiDCGNJCT3KczWfyKrjSTXJL5z1vIDhdxvnSGAteG49x2VcBJr+DVGYGonNQr98v2XjxqxxhjCpa4 Agtp3UmLfKLd1TgGaOCbt/mrWza5tfHEY+DdFlYDJxs27SELcMGd4ZJMRPNA4ZKLU7BdTqDDccWXV XDdVutTKzXJN57tXCfkNLpVNlW3pcHhgp9FJxfhw97WsONzCtn9NaZgdyrW3G4dEzWIjV3fpFXP5w 5mfJOybk87VZylp//nVgP02PCG4sYQVbVokcZNakUcjEksc2VP5yI/DQ8G54lX6N2fO4uJg5gI4T+ vkToQxLw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wOvH2-0000000FFas-0ti3; Mon, 18 May 2026 10:32:36 +0000 Received: from jpms-ob02-os7.noc.sony.co.jp ([211.125.139.72]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wOvGx-0000000FFZ2-32wS for linux-arm-kernel@lists.infradead.org; Mon, 18 May 2026 10:32:34 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sony.com; s=s1jp; t=1779100352; x=1810636352; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=Qg52IZakrDwa+7/YtZM2VQOBVW4gzCDrQLRgDaIE4Fk=; b=tkMcCKfLCOPFfwCegoVuQvfSutKGk3R2h7TriPJ9p/C0Ce25d2p3768l w7c32iPAsv1FU2qKWpNfBmMQtTl/XssIBokK8hyMWvV64PSfwS6x5q0KF liHfWUQgRK79OhJQehM8ss8/W6EUcIiNg5hpxiKuwI131wSFvJl5R1bxI ns+Fbr22f162hEfBOLb0uqxUQNyh8/QAjNMfZDl8eXXmwxDl50D27qFEm q3gvOh8sprSfqRCpdgEKAYTtKYxQDNDXJVWm46FG/IzRDsmsysSbqQt6D nyrWNIO8sV5pssSd3dsND8j3JXulk8mr4RjrQ+yu6MInOCH60/kGevCIH w==; X-CSE-ConnectionGUID: YXQRt+Q0TlyzhNQV8ujJkQ== X-CSE-MsgGUID: lKj07yj0TSGeLnAKbp0QaA== Received: from unknown (HELO jpmta-ob01-os7.noc.sony.co.jp) ([IPv6:2001:cf8:acf:1104::6]) by jpms-ob02-os7.noc.sony.co.jp with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 May 2026 19:32:30 +0900 X-CSE-ConnectionGUID: LE5Xik2fR8SdQOdHHPC7kA== X-CSE-MsgGUID: tneGe+ukRCC0giD8+owyPg== X-IronPort-AV: E=Sophos;i="6.23,241,1770562800"; d="scan'208";a="66945202" Received: from unknown (HELO JPC00244420) ([IPv6:2001:cf8:1:573:0:dddd:6b3e:119e]) by jpmta-ob01-os7.noc.sony.co.jp with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 May 2026 19:32:29 +0900 Date: Mon, 18 May 2026 19:32:28 +0900 From: Shashank Balaji To: Greg Kroah-Hartman 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: 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: <2026051827-curler-disjoin-c83f@gregkh> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260518_033232_034404_EBE675AB X-CRM114-Status: GOOD ( 21.67 ) 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 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.