From nobody Tue Feb 10 04:58:51 2026 Received: from sender4-pp-f112.zoho.com (sender4-pp-f112.zoho.com [136.143.188.112]) (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 DA85D337111; Fri, 14 Nov 2025 16:54:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=136.143.188.112 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763139281; cv=pass; b=MiGmmf7nku0+YbZPkP6sSlNIEBSda8ekcrcpCff6OIU06dHWeeepC8yHsHZGnvYx/ODalJQ9ryvtnaf16HBLzA0Nm9PmYn8AnpnH0BRUI5X53nd6Bq0J2G3UzInFxmqWffzFoI42KfVXBM0Bfpm17K7eOZCxHSZLxnI/DoHSABw= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763139281; c=relaxed/simple; bh=V2nx+E59MoRZ+z4sLtQuSMYqiFs4eRakMDQ80E3RF+U=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=DhmrVYfdSRH8xxeB5ATrQRtGLHJ5S2Qn+Vc+W34maUIgSaAeaz4F6gB4hr4R1W51QbUjrIamwBuhbPrFD9vdT/tHCPEZTY9lphtK3Jg9dgEN6E/3k6a5mzwNBqwZQxeoJ5l+Wg/ecq84TBKGmmht6X/P5pIHCGuwHkJiuPyE9Is= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (1024-bit key) header.d=collabora.com header.i=nicolas.frattaroli@collabora.com header.b=B0Vu3EsN; arc=pass smtp.client-ip=136.143.188.112 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=collabora.com header.i=nicolas.frattaroli@collabora.com header.b="B0Vu3EsN" ARC-Seal: i=1; a=rsa-sha256; t=1763139260; cv=none; d=zohomail.com; s=zohoarc; b=Ac2q3Q+dYjA6zavR7I4Q4nebD5BkUZ7iuSRl66TGZDmNN6Myvwjy/fZ/ZKaeduIInLAnhqCzi9an/pini76iJo403zO4sGkA7fsMmVG7P/rW5xluzXPIxGuaSOrpcNXo2bdTE4ZmiTeR/zpdUEpjGw/OyLKZEBIGJYqOGfUir/o= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1763139260; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=hUMIb9y9wVXtiwc+9+yjUEpvI/XwAAeCzmUhTxPX28g=; b=P15eVxZXSw5OYE4LaaJ5mrm1S2YhZgqykLNpFnBoWvr4hX9WndJr4P4uqV1h4WX08bDyi4XT+GF7whYO/gCgvovewoViM8cwwF0x8E2y8MB28oZFTdWQPIHKWVupj0OkWjj5K3sqyBKfLMyGMbmK+Q9McDfcbuB+B5V08CKEnk4= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=collabora.com; spf=pass smtp.mailfrom=nicolas.frattaroli@collabora.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1763139260; s=zohomail; d=collabora.com; i=nicolas.frattaroli@collabora.com; h=From:From:Date:Date:Subject:Subject:MIME-Version:Content-Type:Content-Transfer-Encoding:Message-Id:Message-Id:References:In-Reply-To:To:To:Cc:Cc:Reply-To; bh=hUMIb9y9wVXtiwc+9+yjUEpvI/XwAAeCzmUhTxPX28g=; b=B0Vu3EsN1ToxHBjcmI5S0g4nvX/JC5SEwKcwGSr/wYgOkV2zUIZlv1Wcr5Ye0tT+ WgUJ1g40W+xIin2ZehiIgB/Zym2u+MZqafq9TQxllAM/AHtZ3oh0sW6bEKiiY+aoMXz 6LXJPjO/XtnphwY/YIGA1eAZXCxMshW+X2fGEmD8= Received: by mx.zohomail.com with SMTPS id 1763139259572869.2446106413408; Fri, 14 Nov 2025 08:54:19 -0800 (PST) From: Nicolas Frattaroli Date: Fri, 14 Nov 2025 17:53:58 +0100 Subject: [PATCH 04/13] soc: mediatek: mtk-dvfsrc: Change error check for DVFSRCv4 START cmd 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: <20251114-mt8196-dvfsrc-v1-4-b956d4631468@collabora.com> References: <20251114-mt8196-dvfsrc-v1-0-b956d4631468@collabora.com> In-Reply-To: <20251114-mt8196-dvfsrc-v1-0-b956d4631468@collabora.com> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , Henry Chen , Georgi Djakov Cc: kernel@collabora.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-pm@vger.kernel.org, Nicolas Frattaroli X-Mailer: b4 0.14.3 From: AngeloGioacchino Del Regno In preparation for adding support for DVFSRC Version 4, change the error check for the MTK_SIP_DVFSRC_START command in the probe function to error out only if BIT(0) is set: this is still valid for the previous DVFSRC versions, as those always set this bit in a fail reply anyway. Signed-off-by: AngeloGioacchino Del Regno --- drivers/soc/mediatek/mtk-dvfsrc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/soc/mediatek/mtk-dvfsrc.c b/drivers/soc/mediatek/mtk-d= vfsrc.c index 41add5636b03..7708b07ab2d6 100644 --- a/drivers/soc/mediatek/mtk-dvfsrc.c +++ b/drivers/soc/mediatek/mtk-dvfsrc.c @@ -440,7 +440,7 @@ static int mtk_dvfsrc_probe(struct platform_device *pde= v) /* Everything is set up - make it run! */ arm_smccc_smc(MTK_SIP_DVFSRC_VCOREFS_CONTROL, MTK_SIP_DVFSRC_START, 0, 0, 0, 0, 0, 0, &ares); - if (ares.a0) + if (ares.a0 & BIT(0)) return dev_err_probe(&pdev->dev, -EINVAL, "Cannot start DVFSRC: %lu\n", = ares.a0); =20 return 0; --=20 2.51.2