From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 72B843F23D0; Thu, 20 Aug 2026 09:34:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787218464; cv=none; b=ZkjM+NtHUD5PPCq7zCUrzXhMjbTyzqKocObrj5aGurVxmBSIesvZQp0NnmB69eHJSceEG8FsBb92LSmRkML7DC3VwM64ltfC4XMasZLNv/Zjldct9j0dbw7EIX+6jDcj1kPU3swWZP5yth65bwcB0jNNhJuuhq13eIsdH15gpHI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787218464; c=relaxed/simple; bh=pTAPODmO/9cYBAEvBSlJ8rM3rJ/5okU6IBHThL4N/ME=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=aT/pfqrnm05Sug/f71VgCMNZ86UaHvE6PHbwZM048gYz9z3fUxZrnUDMSngUOZAZrUp6hHHpWNPI0G/mPj191FDwrPUDKwW2eU4MIIz8I7ohSlk2zmzyJWKqRbb3TSis0xMay2gJmJfX2TzSskBYl/oIP0z4uga709hJLcbjIU0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=WRNXppjV; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="WRNXppjV" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 237E71F000E9; Thu, 20 Aug 2026 09:34:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1787218455; bh=dgkqEkDkIRLJ9HWuOChB5tPMYqfn+vPpTfaAkomhS8Y=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=WRNXppjVo6x7HSsq6uQZ9bfzNjLlAy28a1PXBmLIykYW5bu15TUX+n8zKGVSTIN5y oo/mUuaX1P536INhIGHStxMnor3uTCYPwx17Itmx4F5BH4olt1NegHbY/cLngSeebf AWxx7lk1ZWKYirZO36CnyiVisVbIg55wMoQUnDMws9HTBW6RiG2T74e6k7k7z5bIMD j0C9tNZi/NP0wxmYfXQJ8huDDXKg5wxxDNhF3Oh/zKnLsR5RjPWDxrYOsjYVnQQCbR O5/q2d0AJ8Bk3PuUgievzb84j4zOglBGyGcTglmYnDdnqDhX4kDQS+o99a4tKBUChM 6l2qCiRPgeikg== Message-ID: <93e31d56-e9fc-4dba-8494-423df36c8ccb@kernel.org> Date: Thu, 20 Aug 2026 11:34:08 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v1] arm64: dts: qcom: shikra: Unreserve GPIOs 14-17 blocking SPI5 access To: Xueyao An , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260820085347.822-1-xueyao.an@oss.qualcomm.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 20/08/2026 10:53, Xueyao An wrote: > GPIOs 14-17 were previously reserved in the tlmm gpio-reserved-ranges, > preventing Linux from accessing SPI5. Since there is no TZ use case for > these pins on Linux, they can be safely unreserved. Removing them from > the reserved list across all three Shikra EVK variants (CQM, CQS, IQS) > resolves the SPI5 access issue. > > Signed-off-by: Xueyao An > --- > arch/arm64/boot/dts/qcom/shikra-cqm-som.dtsi | 1 - > arch/arm64/boot/dts/qcom/shikra-iqs-som.dtsi | 1 - > 2 files changed, 2 deletions(-) Why would Linux need to access SPI5 if there is no user of it? Or is there, but you skipped it? Best regards, Krzysztof