From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pg1-f175.google.com (mail-pg1-f175.google.com [209.85.215.175]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 037CF39340E for ; Tue, 13 Jan 2026 14:14:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.215.175 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768313647; cv=none; b=SvhQfLweeJyvWMBz+OcdXmRm6YrY07JPs+17ukuRuualAquyDTeIxZv6ac+Zg5XA4HCIi4evwjScNsSz+C4rhrXkcGucypywkMkOt9ytEdyXEAGn+JNKw3BpXL4iQ41dmGbFH80x4QhXEVvfHbkl4yOkSxuv7SZ6EG+oNqOGTQo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768313647; c=relaxed/simple; bh=Yh/skuOQuC/zZ/fQfc54UBUifN3ebScHgpu0xUQPYSk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=TSEFOHL9RfGZU7f+80sYEJit5kXdYVU07+ybYPGP+CZxQYVHHYHBwqvyWGvO+3U22BsPdxJ2/gHD62xH+QnsrWyRBibdKc3LzX+A/u1CoBAVPHrgQNse6KtRposnlov1QV7JXA5uGVb2Qx8tyXU11hX4ZrhsES41QUDCJlzVKP0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=FkK2yDQ0; arc=none smtp.client-ip=209.85.215.175 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="FkK2yDQ0" Received: by mail-pg1-f175.google.com with SMTP id 41be03b00d2f7-c026e074373so3565774a12.1 for ; Tue, 13 Jan 2026 06:14:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1768313643; x=1768918443; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=Yh/skuOQuC/zZ/fQfc54UBUifN3ebScHgpu0xUQPYSk=; b=FkK2yDQ0gdrvpsMBaScW+qvQ/ok3On1tPM9wAIf9HZvAfV+wz8Cg0/AeF0+qhQ3zDj J8pLhylFsLI76gMWMb/tTQ2Gp4WGPQ/Rhvie5wfnhWQ0GF+XgEFs6O80iSSOpyGdEmbh ECrhFW/bDJrpJzYCDk7Vhde2GE6Dl7qxnIndtsGfGfgR/7ryxFIJSMSAmqyt5FEEAjDD Xbkesv9BQ1mPoHIc4OGx5GyoIrxxWc1cWXJPcCwlw3bYE4mq/XRMBVLITr5e+DW4mlhz RZxeNxUmaA+bgbGVXI4gTWAApRStrrLRoTJi+GIAt36sC+yWxiJD7ie7FMg8Ffj1/Rry NRWw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1768313643; x=1768918443; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=Yh/skuOQuC/zZ/fQfc54UBUifN3ebScHgpu0xUQPYSk=; b=CtazxTwKqZtEoEUzmPV3iZxa1sSfTZ8T6qTVlNVs0TMkAPexomd0YfqBpddKaVRLwW Z1Ve2FtHDjomVQVxD+KfR1JZ4aaLtATTLP2U6+R9UKxy34NfTIZgnqvc3s65KZkHdJSI IgZK4RZy5tOP6bvRozH4Nn49USlDsIaprcqG/tltnQ65ab0MIp/B7dUVIvmxRptWThJZ LO2npF4dgNbws9DCa/Tokg6lTlb9/Nvq6g3yUPXbiP4ue94tMHA0S6pahQj/icTHqmAZ 9xz+uxY+vnLS/eHXn29b1zjXAwHEqlEtUyMIcrsnpCCJ+P/0HM1NCMapsu65m54WenYh R71Q== X-Forwarded-Encrypted: i=1; AJvYcCXXiVSSeNLBq37mGYXkB9K0ZUMa2FQDHkePSC9T3xCo8YI70fs3fPfpGeAVkq/8ErjajJvSAh5m5s9H+UAa@vger.kernel.org X-Gm-Message-State: AOJu0YyDhOz0k5z1dcXsIEpRwxZKEXYbksjHaGESGo7JrWBP2XLOw73b wEGCLbLCiLJZKgxIOyrYp0HqxIpJGslmKsPyACisbnJbhvcGfGcJy3zv X-Gm-Gg: AY/fxX5c5eCVhgpn9FsAlUItzPLotCVvIp6NAsbF1R3dmbkezf9fkDId73MoOadrKlK rV1LV2HofAXORBz4saDhO1NG0djafYZ+O4ijWv9eFSxZ4OT2aHs53v9aQ6ZZ/7D7Krmkz61vAsZ hCUv+H64pQYFk6YybUhkOV4nSRgzhWGPp50e3JwyMvYsXII01Z8ZymniXImeNlEZd8V5cqxk9ro 6VB/CWKRzXxhIzRnV0u5QyjCCEJ02ka0uBx7dAnjuzJKA2ujXpFL+mwqSSQJx0u21dKrkgHupim tKhl11QIg9EsZWvybJgXb6yAXWDyylQR83rAHy7d1HjDkhhorYnJdGycWJoraYN8hgudAEJVRCa nrOM6YSFd4e5W1kuIJkL0/u69GOn/pE0djnb9eUmXsT3mdUOdAmcGheQf6txNg2dZvREhCtVrjC N0WPqZhEjH8g== X-Google-Smtp-Source: AGHT+IG7buq9CzX9ZRTrAw60UgkpwZAGNd7i/rZuf8pczHAcg2auSyZzQR/xxashE4pdHuR2UKZuqQ== X-Received: by 2002:a17:902:da8d:b0:2a2:f2a5:4136 with SMTP id d9443c01a7336-2a3ee45b2f6mr207785705ad.22.1768313642789; Tue, 13 Jan 2026 06:14:02 -0800 (PST) Received: from ArchLinux ([45.113.100.103]) by smtp.googlemail.com with ESMTPSA id d9443c01a7336-2a3e3cd495dsm205884225ad.96.2026.01.13.06.13.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 13 Jan 2026 06:14:02 -0800 (PST) From: Biswapriyo Nath To: Konrad Dybcio Cc: Biswapriyo Nath , barnabas.czeman@mainlining.org, Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Gabriel Gonzales , Kees Cook , Tony Luck , "Guilherme G. Piccoli" , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org, phone-devel@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht, linux@mainlining.org Subject: Re: [PATCH 4/6] arm64: dts: qcom: sm6125-xiaomi-ginkgo: Fix reserved gpio ranges Date: Tue, 13 Jan 2026 14:13:36 +0000 Message-ID: <20260113141342.11057-1-nathbappai@gmail.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit On Tue, 13 Jan 2026 10:45:02 +0100 Konrad Dybcio wrote: > I was referring to the NFC eSE (embedded Secure Element) which usually > has a separate connection to the SoC Yes, gpio 0-4 are connected to NFC eSE and gpio 30-34 are for fingerprint scanner. Here is the list of reserved gpio and their functions according to the device's schematic. 0 - ESE_SPI_MISO 1 - ESE_SPI_MOSI 2 - ESE_SPI_SCLK 3 - ESE_SPI_CS_N 30 - FP_SPI_MISO 31 - FP_SPI_MOSI 32 - FP_SPI_SCLK 33 - FP_SPI_CS_N Though Redmi Note 8 does not have NFC, kernel crashes if 0-4 gpios are not reserved. Tested-by: Biswapriyo Nath Thanks.