From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (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 DA0892505BA for ; Thu, 10 Jul 2025 12:26:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.180.131 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752150375; cv=none; b=KYxHsjv4s2Z/XvERGXfonnZInxlsPjXdyYlyEllY7WcNC20Zxv3VHVWij/2DnuXQFmv8FNamOmQI7j2jGY90XdutKlRXS6LuIlForKdN50x+g3x5dRsEDDKtPqZvANBnGrEzQeNIYVCXafBCGtG7YXpRSfHl29+NbA7vI7BeJNc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752150375; c=relaxed/simple; bh=at4PJj61Rjxc4Od3ayPh5DnmEL4cEmAZ23qhK0P61rI=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=dAOjpgEQgexnGMoykiWl0a/ze3woZ+Kob5Taapk5mWBCGoGqcpDU063b5GtSztnd46zg/VbgIAgg0MsXm2Yl3GWcEZ8Sxt5Uf2QS9Yy9fdwvZ/IvFjeCaNwK124aoqSIyjRmXqy8ty4uRA/f4B9ILED4zJwzvsEwKTcIBIFps50= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com; spf=pass smtp.mailfrom=oss.qualcomm.com; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b=NXEEgYd+; arc=none smtp.client-ip=205.220.180.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b="NXEEgYd+" Received: from pps.filterd (m0279872.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 56A93UlW016276 for ; Thu, 10 Jul 2025 12:26:13 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= FbtxCizFqVmxij5XWo+R6iw22/lNiJfKJkPmSZ113lM=; b=NXEEgYd+NswWueGn kf2mUE+Mon8YCT33JJSf3IUKY+Olh1LlhK/jbirwF37334gq2xwKoISTazBhDzbc 2jf0GtiCng+vWYoa+5lP+i+2sNVux0VqjycX6naffBY11yn/U/GiGy80suvXD+Kp kUm3VQKes3tTfVGzPTfOozQo0wWqPESkeiof9+y7g7RgSegZ15SJaqUNtBcsCL36 Jqr6N6nVO1FHS+dxW/12MeWC89YXJ5BlZI5Pcp5OrJZ3HlqEYJRvNnviBAMlHdXa HNsmoI/u3yfzKsl5BbUf2XJ3BZ2L2k0zw7zpMEA/ZRmYI0QlGKYLgiQgjIn0lLOc 1fm1ig== Received: from mail-qt1-f199.google.com (mail-qt1-f199.google.com [209.85.160.199]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 47pvefrcfp-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Thu, 10 Jul 2025 12:26:12 +0000 (GMT) Received: by mail-qt1-f199.google.com with SMTP id d75a77b69052e-4a804126ed6so3943501cf.1 for ; Thu, 10 Jul 2025 05:26:12 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1752150371; x=1752755171; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=FbtxCizFqVmxij5XWo+R6iw22/lNiJfKJkPmSZ113lM=; b=Qbt6zSOEV7pHIUX0SDZRozGkdXDh78bo5w1Nv4Nwn9TR1YcnQzxpho0INCGJao8MLH d+RYQhyas82LVb0h9Zv+0VPvNkJ8q2Lto260dvAKgfWi9vV6M4j+L0aqLjB+g1R+2TCz NHNXk6idW0OA0tCW1VTuFXb3eMELeIPO07yJllI3IjeXXdfT0ovLA8773R3E//oXLBYy Tb3hq7sKERcANjtIe9EU6EaZ/crURH6omyF53czrROKnu+OhapN+4Zie8vW0hX8nVmHa rqjDTupEq9chlBGOMZYPcAc5zvUFMkdTbgQ5A8+hw4dpONULuutI+kaGMQ7DZALJRRcS kYUw== X-Forwarded-Encrypted: i=1; AJvYcCXzObzjZYak5CJIihzvVpdF9wKZqvcqmZ/IrjTwLwcG9rrczFLVhJrket1AAWOsrOO9fLBTc1bpKNEY@vger.kernel.org X-Gm-Message-State: AOJu0YwDN9iKJcX+Qlfw9hHZj3YlUjHx83qgZuIXwc+AZ0FRQSl4mtbk iw/e/zdOVHBnIj6ZQlu+cqJQVsIi9i9bUTxNpur7frddeCa7fBU87xsrGL6Z5xRqTuPfK+QBNks Bv4rF0rnTmnTfm9GVsStYkpyuxahItMpISiLLapat9lH8q9JZaxFb0BHn8wHYadTarLkEW/RG X-Gm-Gg: ASbGncvYVhLBrLEe7DtLiCUe7r5WIQ/o8A2ReeoQ+/syB/J+2i1fX9XueqjRABbi7vF ebx3ZuurEAqhaKTo2fsxpTIwLgi6wUSGYcNmJZv/iMJnhEgZMpV+YGo8yG3NTuvfaIIfb1oJ+4B kiMymHLkqYg5/FP8nLUYQJx7IkCnMmDI/pYPuEgW3S8F9zneRvirXDDClc1H0eqKzsuFqBbe8ce ZCI1vHqclzY1Ww4exIacTU1ntFFD3LC8kam3dFRpgY11hb7OeDXCa81AMOdRwlh/LnQTKfJD0Jn H+6yhH6awtam/vVfgCfbOaHJd6CTKXIt4H5AUOsuvVHvi0AqDsVT0gZ99Sy4MOVwcEdPbB5+VJK 4+kw= X-Received: by 2002:a05:622a:148a:b0:4a4:323a:2d76 with SMTP id d75a77b69052e-4a9decf6af5mr34077071cf.10.1752150371460; Thu, 10 Jul 2025 05:26:11 -0700 (PDT) X-Google-Smtp-Source: AGHT+IF6rD3KBw+n4YbMxLbNBGM2hSLhxtVZ+IZYWVEKjer3BHqjIzVfrtLkflN1y+COvTFzgl5lDA== X-Received: by 2002:a05:622a:148a:b0:4a4:323a:2d76 with SMTP id d75a77b69052e-4a9decf6af5mr34076541cf.10.1752150370531; Thu, 10 Jul 2025 05:26:10 -0700 (PDT) Received: from [192.168.143.225] (078088045245.garwolin.vectranet.pl. [78.88.45.245]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-611c95242e4sm821075a12.26.2025.07.10.05.26.08 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 10 Jul 2025 05:26:09 -0700 (PDT) Message-ID: <1f0debc7-bde0-404b-a395-dc72ca4c82c2@oss.qualcomm.com> Date: Thu, 10 Jul 2025 14:26:07 +0200 Precedence: bulk X-Mailing-List: linux-mips@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 12/12] pinctrl: qcom: make the pinmuxing strict To: Bartosz Golaszewski , Linus Walleij , Bjorn Andersson , Konrad Dybcio , Alexey Klimov , Lorenzo Bianconi , Sean Wang , Matthias Brugger , AngeloGioacchino Del Regno , Paul Cercueil Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-mips@vger.kernel.org, Bartosz Golaszewski References: <20250709-pinctrl-gpio-pinfuncs-v2-0-b6135149c0d9@linaro.org> <20250709-pinctrl-gpio-pinfuncs-v2-12-b6135149c0d9@linaro.org> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20250709-pinctrl-gpio-pinfuncs-v2-12-b6135149c0d9@linaro.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNzEwMDEwNiBTYWx0ZWRfX0wfjFIrnVDP/ /pWdiqrVOTkG34dkE8YuRfqOQ1+NpRekIiBzShaQUMD6D4XaZgCYIDodIzQ5CLrQ1je7mti/4l4 4XsGZyYZJHLhy6nCAUTJYy9SFMH0rEdKhYTvQPzWpbRrgjLedRwXD+axLXRekXcNy047zFFjfUy 07LWrwlWuthXXifwBKA7hEBbCt3CypexW3eRIuD8kydSefdcvFSQFdQ2yZ31ix49KTmCYJoIIhK 83Gnn8q6nYbTDej9hX+n3AL0rda9zSBU3EaiknOmCr7vvy1msqhDHwKSk2Upr+02T1LeA6YBxvw 3Wpj1jpuF8KCJE0jhiZPqAvvUjfkBICer0Q+YZkvQ/4CE2vRjjrTAuqMsW6MQcPBE7bCAD2Bf3u RDDGRGV8BZm9xAXnrgfvo8N8DC4vv2mW0RHlvahegMVb0V/vddkDegP4WakTEG5QtGG67fL8 X-Authority-Analysis: v=2.4 cv=dciA3WXe c=1 sm=1 tr=0 ts=686fb164 cx=c_pps a=WeENfcodrlLV9YRTxbY/uA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=Wb1JkmetP80A:10 a=KKAkSRfTAAAA:8 a=EUspDBNiAAAA:8 a=sOBEMjS50dyNa0exkEgA:9 a=QEXdDO2ut3YA:10 a=kacYvNCVWA4VmyqE58fU:22 a=cvBusfyB2V15izCimMoJ:22 X-Proofpoint-GUID: LLkSoZGMccYFClgF82mUm4uOHGxTomGg X-Proofpoint-ORIG-GUID: LLkSoZGMccYFClgF82mUm4uOHGxTomGg X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.7,FMLib:17.12.80.40 definitions=2025-07-10_02,2025-07-09_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 malwarescore=0 suspectscore=0 impostorscore=0 phishscore=0 mlxscore=0 mlxlogscore=825 bulkscore=0 lowpriorityscore=0 adultscore=0 spamscore=0 priorityscore=1501 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505280000 definitions=main-2507100106 On 7/9/25 4:39 PM, Bartosz Golaszewski wrote: > From: Bartosz Golaszewski > > The strict flag in struct pinmux_ops disallows the usage of the same pin > as a GPIO and for another function. Without it, a rouge user-space > process with enough privileges (or even a buggy driver) can request a > used pin as GPIO and drive it, potentially confusing devices or even > crashing the system. Set it globally for all pinctrl-msm users. > > Signed-off-by: Bartosz Golaszewski > --- Reviewed-by: Konrad Dybcio Konrad