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 17B7BC61DC2 for ; Wed, 26 Aug 2026 09:09:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To: Subject:MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=brvAQNmn3UG5bqJpcfzu5S32EnCXHBOs4CPzwf8BbbU=; b=yHi8qluzxHwQCk gWVcZXg3xh7JuoEzpk+N1KTMTW20Ba+CZNI/Bd2T9VSucn4r4H3UQA5Ml/hNsgEzkyLddKBXHoLoU YARQWUNRcqhysqs8eAglkvekjxdMb+ZUSgbLF4hVEMwq4bwEd8Qg4yEC2xVVz4ywGFuLFUZ9YT1Kf 4/fOJG/fabmoWYGQPxf0UA79rYIF1PaHmw8qTLAsfzb25cfpogT40gK4KXpYuwmzsK10lD0dZ6GFt PZYZJad+0MWRnTDZ+aNPoOzSOl2boD62w6YQpODaLth1CPfs6/wVfYXlAdz9D8iLg2MhjwurFwmbT Vn0TLy+ofh1ruL/PHYSQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wz9dP-000000029Hy-1v8q; Wed, 26 Aug 2026 09:09:27 +0000 Received: from mx0b-0031df01.pphosted.com ([205.220.180.131]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wz9dL-000000029HN-46Q2 for linux-phy@lists.infradead.org; Wed, 26 Aug 2026 09:09:25 +0000 Received: from pps.filterd (m0279873.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 67Q6S6WE4189921 for ; Wed, 26 Aug 2026 09:09:22 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= HJTeMn6x+gmnlbmnE6fCgEjecytS/hHGiR+pD9B66uI=; b=myAFVSaPgWIqP+Ft fNgo62D3rHNkTjzreTIaQKMLGDhN6GQU7BOWPsihae6UuC0EttIbm/FQkgR2kuoU YyYoW+dpnd/OVXbAfsK46OaN+DQ4b/rXyxgKCKG9rjOvr42oqKqgBthJIqS6pFv2 UzyEIGpbNKw1TEPbG98Ty7Cze+mwBGtmeWBeMSBDLr/Gl9jqvSzFfWzFnYX9s0hw 9qBvs48qRKsiqp2tHq+V4h/01Bp5hPHYQfrvDjzOwzi3OkNntQRfg1kt+zwgL2l3 if5CVrH9AhqCIgMkG3WanEJ1t8iC7i54Jis8GDJ0WUSk0r3R9LC+JSzoA8wkSgl9 6DUTYA== Received: from mail-qv1-f70.google.com (mail-qv1-f70.google.com [209.85.219.70]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4g9cgpuxrx-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Wed, 26 Aug 2026 09:09:22 +0000 (GMT) Received: by mail-qv1-f70.google.com with SMTP id 6a1803df08f44-8ee7cd05e18so1367506d6.0 for ; Wed, 26 Aug 2026 02:09:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1787735361; x=1788340161; darn=lists.infradead.org; h=content-transfer-encoding:content-type:in-reply-to:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:from:to:cc:subject:date:message-id:reply-to :content-type; bh=HJTeMn6x+gmnlbmnE6fCgEjecytS/hHGiR+pD9B66uI=; b=G/57NSi6vLyUZdri6xYWXm0Te5eYM4gW/gaQFtYYGrG7Oshgz/mWW0LWaEQbvdXmnp WoYgs/LkvqgikaSKNfmmeNzNLOlIp+qZ9T6SRzKsm2OcXGIYCmQv/BRHlOI7DIKn4Gaq 3cqeH/+oAb3+6YALQw2VXenWpqKIypu5Yq6t+0emYHBsuOD7g7Twi1eESXJJj8MPqHGG GLeKH5YbF2uEB8H1JgXv1rZwN/1f8rjmyWa+Jdq8VUaSG2C+yyuWYfNQk+1eugxhvJr3 EijwOJolWnDbkaJp/xsc7Vn9i9XEUsWu5/Lr+4wyRA1tQ8126roHVntmQm71k09j15hw scig== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1787735361; x=1788340161; h=content-transfer-encoding:content-type:in-reply-to:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=HJTeMn6x+gmnlbmnE6fCgEjecytS/hHGiR+pD9B66uI=; b=FQrhpQ7DtDw4mVFhd7IUgDmlYMqzJctRjCvkaH+7jLbZA5ggKCvQowU3pt/G6duWkD 9UjiD6uab1gxHErhJnjiojk3muI+2WkuqfZVNgWgLt8A5XZ4ghiT+KLhJJrhmrf+VNu7 x9dHd0I8nszWUp56LFMqECM/twl5hxZRIQOjYWPpOWa++kWi+/lwbSYHYiqfikS9+H2q 2C+YSULT6m0gjbnZI+VWIIZXakm8NaCltRtCIv4CLF7u+hwPIZbL8Lc+enYIPNIYy/AK XgRl1K7cH3+hoUKeWQCGRzIfecFq10jGckFYTyQW/KGaGu6ahTeSbCeaOQRVGi2LtfVH qwGQ== X-Forwarded-Encrypted: i=1; AHgh+Ro/27zImOnpAburu+SkC7CUkQdB1Wc/0J8xQhxUUrq2IePbJHUnD8W2ol/a/haHlRXcg+Nn5h+unEY=@lists.infradead.org X-Gm-Message-State: AFuF++lmKdeBQbUPAlLxD0g/H5UmAz+y8vGl5jhLuZ8wivo7uln9Htwz 3LIFjIP3D1Y/F2U9eCBuOyRNBvMb0CabBP2TosuGqv7RRZSDPvgOTA60dgCj4BnPP4zKZo84syf APbAmx8Yh10ToRSqLvvEjPmC1obI4S5v0n1tvQnwNQMW0+Y/INpkwS/sV2psGKKQZlZ62 X-Gm-Gg: AR+sD1256wEa1G/Q/9/3e/VlJo8juzHRIix3lwCRXUhrjqf7zZgAdKy/slKehkcnU0D uxCp78LKUAQIf37Ch311ZMdQmhdbvjcnkvAB92SlFEugXp/dIoVShT8EKmSMhPFEYl8vJPh5+Ip LbDZRKSh8ZlWeMXt4kdaoQ+p2gwnGGetQB3xtNpS8p1qXwJ12nCL3n6BDyd+oDHWA7uiU58SP3J X7pU59CMjQju1ON62h/56eg7CQCNr1YJFaLXRVPsoMT9yhdwp6UDo1H69+XdEBoMUYP8ESsl9aW hy3gL2TlaOCVbbadoC59ArAT+EXPVhTYM76P26hLVt328SbhLmB7O7rietxpjyDhej+fMRjr3EQ JBCOhG8G3r2atsDb/2vSc4sjr X-Received: by 2002:a05:622a:1b88:b0:52d:f626:a46c with SMTP id d75a77b69052e-52e42414888mr35922721cf.4.1787735361455; Wed, 26 Aug 2026 02:09:21 -0700 (PDT) X-Received: by 2002:a05:622a:1b88:b0:52d:f626:a46c with SMTP id d75a77b69052e-52e42414888mr35922401cf.4.1787735361082; Wed, 26 Aug 2026 02:09:21 -0700 (PDT) Received: from [192.168.120.193] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-6a5dea83a25sm3677704a12.18.2026.08.26.02.09.18 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 26 Aug 2026 02:09:19 -0700 (PDT) Message-ID: <850d76f3-d170-45ab-9889-a511d6486a1d@oss.qualcomm.com> Date: Wed, 26 Aug 2026 11:09:17 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/2] phy: qcom: qmp-pcie: Select MFD_SYSCON for the multi-PHY driver To: David Carlier , vkoul@kernel.org Cc: neil.armstrong@linaro.org, qiang.yu@oss.qualcomm.com, mani@kernel.org, krishna.chundru@oss.qualcomm.com, linux-phy@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260825225729.230493-1-devnexen@gmail.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260825225729.230493-1-devnexen@gmail.com> X-Proofpoint-GUID: bwuPVhlKKAp3YQLDfyDn41oVaMU17yNB X-Proofpoint-ORIG-GUID: bwuPVhlKKAp3YQLDfyDn41oVaMU17yNB X-Authority-Analysis: v=2.4 cv=I+NVgtgg c=1 sm=1 tr=0 ts=6a8ead42 cx=c_pps a=oc9J++0uMp73DTRD5QyR2A==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=rJkE3RaqiGZ5pbrm-msn:22 a=pGLkceISAAAA:8 a=EUspDBNiAAAA:8 a=E07dJwykKe2z2xQ6SqgA:9 a=QEXdDO2ut3YA:10 a=iYH6xdkBrDN1Jqds4HTS:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODI2MDA3NSBTYWx0ZWRfX+bLfjxuscfAC z7YERtKGKpA8ckIPZ0+U6olIu3RBclB/advWhL5Njhy8peauaeinx4V56z1mspOqbpBvruJ5S7i nfULTrTOEVZR3iyS0thqm3MIt52G0g8aQHrzvuMBh79Q8stie+9hbfDCqDQd5ptUjTIAkKEQJK+ nh9ENt8EtOiyfcfFCwoOohdqr56zRloesj2iC1+dOwsbsCdPmCv5AOC7oRiurkuXRDzjdgug07s i3Mc0nYySa7e+TFyk988KSUD2Mm+jp38TXX6E2E5BCT1sFOQdu66OPbBF8G98UrVroem8HCOUpN Sd+SEPHkAIEnhnl54VejQ0Ft0ZQLqCkni5wKJs1aD2DjutyY14SngIPif0WH7kB6VaLVGIpu8J4 xgpSLgHX6OU2IUKGisWVnMwt2ctdnz4N5+mjqvrm4nxhW4FuVrphNnYIpbpV9nP6TEqGfIPiJzw L3xOFvmn3i1DO2c5yjw== X-Proofpoint-Spam-Info: AW1haW4tMjYwODI2MDA3NSBTYWx0ZWRfX3In7x5PQdLl/ JK1nLF6ajug1Py0JiUc1eD1aI/0kBL+aXwvlMEfVIJbniJovvvAfT3Nhlhc2OfeiQioT028fc4R +AOn3wpUqRaYr5//LxPAy1oq6DHNXYc= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-26_02,2026-08-24_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 impostorscore=0 bulkscore=0 suspectscore=0 malwarescore=0 priorityscore=1501 lowpriorityscore=0 phishscore=0 adultscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608260075 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260826_020924_188613_BD04DCF4 X-CRM114-Status: GOOD ( 11.36 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org On 8/26/26 12:57 AM, David Carlier wrote: > The driver reads the active link mode through > syscon_regmap_lookup_by_phandle_args(). Without CONFIG_MFD_SYSCON the > stub returning -ENOTSUPP is compiled in instead, so probe fails for > every device and no PHY is ever registered. > > Nothing in the build catches this: the driver still compiles, and arm64 > defconfig happens to enable MFD_SYSCON through an unrelated select. > > Fixes: 1781be3c8a5d ("phy: qcom: qmp-pcie: Add QMP PCIe Multi-PHY driver") > Signed-off-by: David Carlier > --- Reviewed-by: Konrad Dybcio Konrad -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy