From nobody Tue Apr 7 09:11:10 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 61CCD381B13; Fri, 13 Mar 2026 21:06:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773436005; cv=none; b=QQn196WzGlFVx1S9rmh5K0Vasr1+O6N1BX9J46UiyLGJlIYSWWgicoVdxVoMpTfYIIz/7oAV6OWXGL8QrC/qTt1OhrkmwSo7NhBnjlCyNGqfM7VjunmXMxyCGrX/fMmvEPGfjtgK2MkdTP01idlGQiNV+pvt1gRI0p3FCCL6xnc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773436005; c=relaxed/simple; bh=XAWtM2q3EmT2ZNv6iVBuhG0lYX2PO0uGucNM3PV6lvY=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:To:Cc; b=AquFkJap73kG+wJXqYnF0AbrR1JK0DJxTBNEw5w0B7ZMOcqEVQTYUwG0TRtX4rijXmxNv5cAelC5QdcqJ+Rc52FB6oYYMhEI4jcy1TzGKY2et4j+6BZB7+4y6n7yvkccBQdROWsZICqMKk+Gg1ywRORT2tRZp9yrVhSCkaMBnuo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=MsJh4M7H; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="MsJh4M7H" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CB5C2C19421; Fri, 13 Mar 2026 21:06:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773436005; bh=XAWtM2q3EmT2ZNv6iVBuhG0lYX2PO0uGucNM3PV6lvY=; h=From:Date:Subject:To:Cc:From; b=MsJh4M7H78hsZSqNuFhnxZZGICpKofkepNOWMbgz3Olig3STJE45uzd1FQFPf0HHI NZAa+6ldnlafYRUWYgWP4wSZ0SRsC03j857sOfav2XS3RGdFDsbEOcPAN0+0uG101a UsAzyrdiGogxsudKCiwU+pswEKzIy/Sw7y7JHQzJMyn7xi6f2B5vAiN7jKkuw2whuq L2q8zKNvgehXk+v7f7I2HyADBNw7kwIZErnBefrXY/V3DJVW9jM8iV7L0VZC+keZOo j7Q2aIXq/eKxDxxn3WA0msFdUCZvUmlGcCHnlkIK4D++2RgO4L/M9ecSPCJKkKaLgt AARBoO+O5NJ/A== From: Nathan Chancellor Date: Fri, 13 Mar 2026 14:06:34 -0700 Subject: [PATCH] platform/x86: lenovo: wmi-gamezone: Drop gz_chain_head Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260313-lenovo-wmi-gamezone-remove-gz_chain_head-v1-1-ce5231f0c6fa@kernel.org> X-B4-Tracking: v=1; b=H4sIAAAAAAAC/yXNUQ7CIBCE4as0++wm0DZqvIoxDZaRrhEwoGja9 O6iPn4P889CGUmQ6dAslFAkSwwVetPQOJngwGKrqVXtVnW64xtCLJFfXtgZjzkGcIKPBezmoW4 kDBOM5Z22/b7XylitqObuCRd5/66Op7/z83zF+Pj2aV0/sMYdeIwAAAA= X-Change-ID: 20260313-lenovo-wmi-gamezone-remove-gz_chain_head-71d48410ad10 To: Peter Zijlstra Cc: Mark Pearson , "Derek J. Clark" , Hans de Goede , =?utf-8?q?Ilpo_J=C3=A4rvinen?= , Armin Wolf , Ingo Molnar , Will Deacon , Boqun Feng , Waiman Long , platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org, Nathan Chancellor X-Mailer: b4 0.15-dev X-Developer-Signature: v=1; a=openpgp-sha256; l=2115; i=nathan@kernel.org; h=from:subject:message-id; bh=XAWtM2q3EmT2ZNv6iVBuhG0lYX2PO0uGucNM3PV6lvY=; b=owGbwMvMwCUmm602sfCA1DTG02pJDJlbapIaP3/4YCEmPu2CSE+p+cS1u1IaPItc5pw/X/JKP zDdoM67o5SFQYyLQVZMkaX6sepxQ8M5ZxlvnJoEM4eVCWQIAxenAExkuT7D/8oFv+5c2ZVueXS+ kXnYojuTy1Vz1tyVXb9Kl/95zr9D0l8Z/ilsmz6j80yb/7U/X9ua14Yo3DfoL7lv9nzmBzb/vMt NWpwA X-Developer-Key: i=nathan@kernel.org; a=openpgp; fpr=2437CB76E544CB6AB3D9DFD399739260CB6CB716 After commit 1ea4b473504b ("locking/rwsem: Remove the list_head from struct rw_semaphore"), which removed a reference to the variable passed to __RWSEM_INITIALIZER(), certain configurations show an unused variable warning from the Lenovo wmi-gamezone driver: drivers/platform/x86/lenovo/wmi-gamezone.c:34:31: warning: 'gz_chain_head= ' defined but not used [-Wunused-variable] 34 | static BLOCKING_NOTIFIER_HEAD(gz_chain_head); | ^~~~~~~~~~~~~ include/linux/notifier.h:119:39: note: in definition of macro 'BLOCKING_N= OTIFIER_HEAD' 119 | struct blocking_notifier_head name =3D = \ | ^~~~ This variable has been unused since the driver's initial addition to the tree. Its use was eliminated between v3 and v4 during development but due to the reference of gz_chain_head's wait_list member, the compiler could not warn that it was unused. Remove the variable to clear up the warning. Fixes: 22024ac5366f ("platform/x86: Add Lenovo Gamezone WMI Driver") Signed-off-by: Nathan Chancellor --- Peter, as 1ea4b473504b is in -tip, this should go there as well. Even though this only shows up after 1ea4b473504b, I think it is more fair to say this fixes 22024ac5366f. --- drivers/platform/x86/lenovo/wmi-gamezone.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/platform/x86/lenovo/wmi-gamezone.c b/drivers/platform/= x86/lenovo/wmi-gamezone.c index 381836d29a96..c7fe7e3c9f17 100644 --- a/drivers/platform/x86/lenovo/wmi-gamezone.c +++ b/drivers/platform/x86/lenovo/wmi-gamezone.c @@ -31,8 +31,6 @@ #define LWMI_GZ_METHOD_ID_SMARTFAN_SET 44 #define LWMI_GZ_METHOD_ID_SMARTFAN_GET 45 =20 -static BLOCKING_NOTIFIER_HEAD(gz_chain_head); - struct lwmi_gz_priv { enum thermal_mode current_mode; struct notifier_block event_nb; --- base-commit: 739690915ce1f017223ef4e6f3cc966ccfa3c861 change-id: 20260313-lenovo-wmi-gamezone-remove-gz_chain_head-71d48410ad10 Best regards, -- =20 Nathan Chancellor