From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from www537.your-server.de (www537.your-server.de [188.40.3.216]) (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 002B6366DD6; Thu, 19 Mar 2026 11:23:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=188.40.3.216 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773919387; cv=none; b=S7WQQcmhTlQSybAJHRRK/rHyFAKmaHNZDWa3n9QtrEuWJMMrlREpLHXcNplyGR0ujoTl4US1/uYS9KC23rGqpNuCxQXCnb7YmruZBqsknDMjV9aGEL7HY+h8jhlqC6Z37GHPgdCSs53QFDA0QWdIXhtLJYFfiYbe2bT2wM15JmU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773919387; c=relaxed/simple; bh=GieeL4JhntlKNACmxsTYTav1MpGtykBADLmttEp2Hno=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=DIWGsaoRUEFi1OEyyKPzYW1ri9il2ycTHzL9gnsWcwofz03BckcZxgt7eU3Zt1NdY4T0W6YjXykfOgh5zs2HC5Ex+TITJMkY5nQ1gmS1c+sKjq+zNaO+Oglfq86yt7AvOon/FM3cW5AQwIuQmb3gs6QmflD8+2N0iBwLXMUnCKg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ew.tq-group.com; spf=pass smtp.mailfrom=ew.tq-group.com; dkim=pass (2048-bit key) header.d=ew.tq-group.com header.i=@ew.tq-group.com header.b=Kqu7zCwV; arc=none smtp.client-ip=188.40.3.216 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ew.tq-group.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ew.tq-group.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=ew.tq-group.com header.i=@ew.tq-group.com header.b="Kqu7zCwV" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=ew.tq-group.com; s=default2602; h=Content-Type:MIME-Version:References: In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID; bh=GQvd2yklJJIdCH/QJ+XUCMsMQRENNhVBNQBm6KsPwYU=; b=Kqu7zCwVhpo3Nzjhnm7TBvBDWq dfpR4D8p+17PikIkw0V5kXmEhTo5ZDE0Mr8r5UCikYjiqFtqKT8QyPI7nvy0ejpCI7kSbTwWfb2Qz Ihrx+Wi91Ze6pgEi1GdB4xiCPZ7dYIUlcDauUpnc+L9M+z9CZgSogY/yQ8vCmOKIt4/anB0s9ERj5 v+qEH3tdScsrFqBf2nc4VCR4XZHXUK+vtTD8tce19D3EIBS/9pP/H90FO1SiCbDL5MLWmtr9tHND+ je9v8sGy/YawL9ojgzHeZ07TeDTt/DWEpHY4j6W5gHVtORSZR5IwSGt+ZKKMRZnUo1GEmHrrwlpyd 7AUcViUA==; Received: from sslproxy04.your-server.de ([78.46.152.42]) by www537.your-server.de with esmtpsa (TLS1.3) tls TLS_AES_256_GCM_SHA384 (Exim 4.96.2) (envelope-from ) id 1w3BSw-000J5D-2Y; Thu, 19 Mar 2026 12:23:02 +0100 Received: from localhost ([127.0.0.1]) by sslproxy04.your-server.de with esmtpsa (TLS1.3) tls TLS_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1w3BSw-0003zm-0g; Thu, 19 Mar 2026 12:23:02 +0100 From: Alexander Stein To: Christian Hewitt Cc: Arend van Spriel , linux-wireless@vger.kernel.org, brcm80211@lists.linux.dev, brcm80211-dev-list.pdl@broadcom.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/1] wifi: brcmfmac: silence warning for non-existent, optional firmware Date: Thu, 19 Mar 2026 12:23:01 +0100 Message-ID: <2405698.ElGaqSPkdT@steina-w> Organization: TQ-Systems GmbH In-Reply-To: <48BB2A8D-D969-4686-9B30-11331FB14C56@gmail.com> References: <20260317111202.1074675-1-alexander.stein@ew.tq-group.com> <48BB2A8D-D969-4686-9B30-11331FB14C56@gmail.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart5059167.GXAFRqVoOG"; micalg="pgp-sha512"; protocol="application/pgp-signature" X-Virus-Scanned: Clear (ClamAV 1.4.3/27945/Thu Mar 19 07:24:38 2026) --nextPart5059167.GXAFRqVoOG Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8"; protected-headers="v1" From: Alexander Stein To: Christian Hewitt Date: Thu, 19 Mar 2026 12:23:01 +0100 Message-ID: <2405698.ElGaqSPkdT@steina-w> Organization: TQ-Systems GmbH In-Reply-To: <48BB2A8D-D969-4686-9B30-11331FB14C56@gmail.com> MIME-Version: 1.0 Hi, Am Mittwoch, 18. M=C3=A4rz 2026, 08:42:55 CET schrieb Christian Hewitt: > > On 17 Mar 2026, at 3:12=E2=80=AFpm, Alexander Stein wrote: > >=20 > > The driver tries to load optional firmware files, specific to > > the actual board compatible. These might not exist resulting in a warni= ng > > like this: > > brcmfmac mmc2:0001:1: Direct firmware load for brcm/brcmfmac4373-sdio.t= q,imx93-tqma9352-mba93xxla-mini.bin failed with error -2 > >=20 > > Silence this by using firmware_request_nowait_nowarn() for all firmware > > loads which use brcmf_fw_request_done_alt_path() as callback. This one > > handles optional firmware files. > >=20 > > Signed-off-by: Alexander Stein >=20 > On behalf of all distro maintainers receiving end-user issue reports > that wrongly finger-point to =E2=80=9Cmissing firmware=E2=80=9D as the ca= use of all > brcmfmac wifi problems: >=20 > Tested-by: Christian Hewitt Thanks. > Before and After below: >=20 > VIM1S:~ # dmesg | grep brcmfmac > [ 12.687679] brcmfmac: F1 signature read @0x18000000=3D0x15294345 > [ 12.727469] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43456= =2Dsdio for chip BCM4345/9 > [ 12.727947] brcmfmac mmc2:0001:1: Direct firmware load for brcm/brcmfm= ac43456-sdio.khadas,vim1s.bin failed with error -2 > [ 12.813544] brcmfmac mmc2:0001:1: Direct firmware load for brcm/brcmfm= ac43456-sdio.clm_blob failed with error -2 > [ 13.157373] brcmfmac: brcmf_c_process_clm_blob: no clm_blob available = (err=3D-2), device may have limited channels available > [ 13.157423] brcmfmac: brcmf_c_process_txcap_blob: no txcap_blob availa= ble (err=3D-2) > [ 13.159391] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM4345/9 wl0: = Jun 16 2017 12:38:26 version 7.45.96.2 (66c4e21@sh-git) (r) FWID 01-1813af84 >=20 > VIM1S:~ # dmesg | grep brcmfmac > [ 12.218764] brcmfmac: F1 signature read @0x18000000=3D0x15294345 > [ 12.283612] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43456= =2Dsdio for chip BCM4345/9 > [ 12.382176] brcmfmac mmc2:0001:1: Direct firmware load for brcm/brcmfm= ac43456-sdio.clm_blob failed with error -2 > [ 12.678015] brcmfmac: brcmf_c_process_clm_blob: no clm_blob available = (err=3D-2), device may have limited channels available > [ 12.678066] brcmfmac: brcmf_c_process_txcap_blob: no txcap_blob availa= ble (err=3D-2) > [ 12.680092] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM4345/9 wl0: = Jun 16 2017 12:38:26 version 7.45.96.2 (66c4e21@sh-git) (r) FWID 01-1813af84 >=20 > Is there any chance the same change can be done for the clm_blob and > txcap_blob error messages? (for the same reason). Other than for RPi > boards I=E2=80=99ve never seen these files available and used with any la= rge > scale Linux distro and there are none in the upstream linux-firmware > repo; thus these files are only being packaged by specialist distros > or images targeting a specific or limited set of hardware devices. For > everyone else running a mainstream distro image these errors are just > log-noise, and while they are harmless and technically correct, end- > users constantly misinterpret them. Well, my platform doesn't generate errors/warnings for clm_blob and txcap_blob, so I don't know which code path triffers them, nor car I test them. Best regards, Alexander =2D-=20 TQ-Systems GmbH | M=C3=BChlstra=C3=9Fe 2, Gut Delling | 82229 Seefeld, Germ= any Amtsgericht M=C3=BCnchen, HRB 105018 Gesch=C3=A4ftsf=C3=BChrer: Detlef Schneider, R=C3=BCdiger Stahl, Stefan Sch= neider http://www.tq-group.com/ --nextPart5059167.GXAFRqVoOG Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part. Content-Transfer-Encoding: 7Bit -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEByESxqszIvkmWRwbaS+g2M0Z/iUFAmm73JUACgkQaS+g2M0Z /iXtnwgAvlMqRGgxgk+/Za0i2+OgonH4eSoNeomDzyC8MUKwMXtqBwYq/ri9IDPq 6dgeZtXjtzJAdOzfZxNYmifZEkGNOyyTOGcKCeDHCGdt8mNtoKS5gUFNvbdRP34D gjIwNSKSw4lkCP6MK1Q/93s+tH8ugyrUvfk2PKRi/KIjcq/UKmwGgRol56nRywy8 4zWJuA9cd/SahPR8lyu6u+6HSxQL6z5ZCkSDUcI1DFGE/Ydxsby3TF6hwx/hPKWS uDDCeiL0fdzddPgOymdhiaQQ49rUyev6tMNSnsuI32D/YyD9Bisjqk0nspWK16P4 QSv8RSJzSp0IjGdrXmssQAzZKPTYsg== =eB2H -----END PGP SIGNATURE----- --nextPart5059167.GXAFRqVoOG--