From nobody Mon Oct 6 12:02:04 2025 Received: from mail.ozlabs.org (gandalf.ozlabs.org [150.107.74.76]) (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 34AE0285417; Tue, 22 Jul 2025 03:01:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=150.107.74.76 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753153309; cv=none; b=I8D9N/l6o6HYTqrI8h718d9v+Lyn3UG3YrFg4M1DwUnWj9/t8i0iNc4IQUnWKiHA33ueaVh2lI8A+ZrGrjqpp3RA0TZbDkwRJUktNiLRBv7GeDssQwpn1VtewrRPLJiOAGyY93fUcVmJGApL44KEmktkZ+MtQKzEgDoLVavjXuQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753153309; c=relaxed/simple; bh=99Ux8aQT5YL5qtqaBQEWtHY8ZuwiwVIJ2vclZ9UFL+A=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type; b=EpKsEzg8j0PGOql7hnpgJ7VW6ru0AKwz76vT8jVe6aFWjbYvp9kb0Eb2X01/StvpbaOe33ce81Y1gukZfVKavLqOXUjNSsNBuz+zqlnUn5husA+jjLdh91/mIkCevzDQxk/gp0W+XVmxeqYPi3EB7SxgtCw9UlmxvqVaYWWCN+c= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=canb.auug.org.au; spf=pass smtp.mailfrom=canb.auug.org.au; dkim=pass (2048-bit key) header.d=canb.auug.org.au header.i=@canb.auug.org.au header.b=Ea1Cbcha; arc=none smtp.client-ip=150.107.74.76 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=canb.auug.org.au Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=canb.auug.org.au Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=canb.auug.org.au header.i=@canb.auug.org.au header.b="Ea1Cbcha" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canb.auug.org.au; s=202503; t=1753153144; bh=fdZ3PQ1tHt3mWOYJ44e0mCb5t+2QFK8UsjM87adQ8/k=; h=Date:From:To:Cc:Subject:From; b=Ea1CbchavRfizPAZFEq8EuFjEIVtRgpql0RtvF5zT8AM2mx7zbVXfdaElSpwwtXDT j4bBNZlFzTuhcgXOhp+TdJm1NaMXGaD9fd8FGu9OuIB7CGf0aW3/JNX0IRoePFfhCz oCehtfqtnTM3tKQVKaoJubg3PAdQDZMZxqdOv/AWz3szwSGjhWe/xzW75sqTz4PwY1 wmRcEsGtWA7rgL8XKvP2QxoiXAAXCnLMKoXxQu6gz3zW5xdrvWKq6JLHEEWB7zKELb esvEdlA3hgW3YM/L089xwQ1mRA56PKkij+bTLBvrk1ZkJkav2Os88gi+K84gy2KTh9 hQoaaXmdyz7Dg== Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mail.ozlabs.org (Postfix) with ESMTPSA id 4bmMRX0bQvz4wxJ; Tue, 22 Jul 2025 12:59:03 +1000 (AEST) Date: Tue, 22 Jul 2025 13:01:40 +1000 From: Stephen Rothwell To: Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , Peter Zijlstra , Mark Brown , Liam Girdwood Cc: Boqun Feng , Thomas =?UTF-8?B?V2Vpw59zY2h1aA==?= , Charles Keepax , Maciej Strozek , Linux Kernel Mailing List , Linux Next Mailing List Subject: linux-next: semantic conflict between the tip and sound-asoc trees Message-ID: <20250722130140.74182f72@canb.auug.org.au> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/f/IvRDQQrUSc.=vxr7kJurx"; protocol="application/pgp-signature"; micalg=pgp-sha256 --Sig_/f/IvRDQQrUSc.=vxr7kJurx Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Hi all, After merging the tip tree, today's linux-next build (x86_64 allmodconfig) failed like this: In file included from include/linux/kernfs.h:11, from include/linux/sysfs.h:16, from include/linux/kobject.h:20, from include/linux/energy_model.h:7, from include/linux/device.h:16, from sound/soc/sdca/sdca_interrupts.c:13: sound/soc/sdca/sdca_interrupts.c: In function 'sdca_irq_allocate': include/linux/mutex.h:153:9: error: ignoring return value of '__devm_mutex_= init' declared with attribute 'warn_unused_result' [-Werror=3Dunused-result] 153 | __devm_mutex_init(dev, __mutex_init_ret(mutex)) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ sound/soc/sdca/sdca_interrupts.c:422:9: note: in expansion of macro 'devm_m= utex_init' 422 | devm_mutex_init(dev, &info->irq_lock); | ^~~~~~~~~~~~~~~ cc1: all warnings being treated as errors Caused by commit daec29dcc873 ("locking/mutex: Mark devm_mutex_init() as __must_check") interacting with commit b126394d9ec6 ("ASoC: SDCA: Generic interrupt support") from the sound-asoc tree. I have applied the following merge fix patch (just a hack, something better needs to be done). From: Stephen Rothwell Date: Tue, 22 Jul 2025 12:26:10 +1000 Subject: [PATCH] fix up for "ASoC: SDCA: Generic interrupt support" interacting with "locking/mutex: Mark devm_mutex_init() as __must_check". Signed-off-by: Stephen Rothwell --- sound/soc/sdca/sdca_interrupts.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/sound/soc/sdca/sdca_interrupts.c b/sound/soc/sdca/sdca_interru= pts.c index b76512732af8..b393471e9760 100644 --- a/sound/soc/sdca/sdca_interrupts.c +++ b/sound/soc/sdca/sdca_interrupts.c @@ -419,7 +419,11 @@ struct sdca_interrupt_info *sdca_irq_allocate(struct d= evice *dev, =20 info->irq_chip =3D sdca_irq_chip; =20 - devm_mutex_init(dev, &info->irq_lock); + ret =3D devm_mutex_init(dev, &info->irq_lock); + if (ret) { + /* do some error recovery */ + return ERR_PTR(ret); + } =20 ret =3D devm_regmap_add_irq_chip(dev, regmap, irq, IRQF_ONESHOT, 0, &info->irq_chip, &info->irq_data); --=20 2.50.1 --=20 Cheers, Stephen Rothwell --Sig_/f/IvRDQQrUSc.=vxr7kJurx Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEENIC96giZ81tWdLgKAVBC80lX0GwFAmh+/xQACgkQAVBC80lX 0GwGJQf/exo2NMCdmq4adaTDxlrm65+St1svBr8/AGCYcMClmZJi7HiThGPuTE7N qYuhQWP1CWP65rJtIx80Qim9gtSVaJAovKg4+d39MqNVc8V3HaChe5xf1yYgcpDj zVgvuwk/nl1St0lhNbQgHuFkthEqHF7MXVXapi8y/qxreCxefkJxTx57L381nGsQ fh5/ktjvs3U7jmY4d+r9TyOpZu+Dtm5GEJckQC/Zl9WReN6T3oRTZ2jyIFJjLqtA zSRQS5nBL6eLzsjKKruVX0/sHtLW9JKIskD69Q3UbUgiiRKNEcATbFH+q5Zh3ESY eeaex6rLPCBznWcd7q7WE49/e2ZqQQ== =+DJO -----END PGP SIGNATURE----- --Sig_/f/IvRDQQrUSc.=vxr7kJurx--