From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from ixit.cz (ixit.cz [84.42.129.46]) (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 6DA193264DF; Sun, 23 Aug 2026 23:36:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=84.42.129.46 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787528203; cv=none; b=pQ1iLD8LxW37mgtrji+oY7Oye3CvUaXB5kU4zxqnK8yLOkd0258nfVuY5ILjBQ/acjqj74/Fce4xjX5Sie9nkm9xAe2mjUhNgqQ8SVJ/K3P/9L6SB4Ny/PPiKJn5EQdR7F0WEgrf1ssCL1eQrj8k1+abkann5QcEsHk7wdtFUpk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787528203; c=relaxed/simple; bh=R253mJD4zqokwXwJVUUklhyr4ePKBVwOOzbtlI2sVpA=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=bX2QpJatLzJ5ek+A7Whcr7+K5EstvXo2yQwaiING6rtCmHu+ymF173GCRKJBXepCByyqflIUoBJZ2znjKGMF3LZ3i2Sos7tCgJL6FxyORv+pYdpZ2jry5+4t+Y7aaB713tSvY6VV7Ait2jv7zCiVKVaUml67kjF3y2wnEUm+x3c= ARC-Authentication-Results:i=1; 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t=1787528199; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:autocrypt:autocrypt; bh=NeQnpmaONTDjoyNSyQ5OyGtgIW3A3vT2a8uT3fKrjVE=; b=VKEmwJshjAqo7xSL0L5MDt/gPdXcObzvofqXk5LEqIS48eu79oxKPFijE/v+xtNQ+XPXBr 52xUPq5IEFPWlhBAz6V+gj5I2HWHw8QbJdcSYJE1ZI2oGB9yvQ0mgvULOmcNYc9sOSEuu7 PyjZQBtfXTkZvkjvYLhWbynS7w+wk0I= Message-ID: <959d32b7-592f-48ce-a7a2-c2cf4b0cb44a@ixit.cz> Date: Mon, 24 Aug 2026 01:36:38 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5 0/3] soc: qcom: extend interface for big endian support To: Bjorn Andersson , Alexander Wilhelm , Thorsten Leemhuis Cc: Konrad Dybcio , linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, regressions@lists.linux.dev References: <20251119104008.3505152-1-alexander.wilhelm@westermo.com> <6e4d21f9-87cb-44ea-bb04-eb4f047f3ff5@leemhuis.info> Content-Language: en-US, cs-CZ From: David Heidelberg Autocrypt: addr=david@ixit.cz; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 09/03/2026 11:42, Alexander Wilhelm wrote: > On Mon, Mar 09, 2026 at 11:30:42AM +0100, Thorsten Leemhuis wrote: >> On 2/14/26 20:26, Bjorn Andersson wrote: >>> On Wed, Jan 21, 2026 at 09:22:07AM +0100, David Heidelberg wrote: >>>> On 19/11/2025 11:40, Alexander Wilhelm wrote: >>>>> Currently, the QMI interface only works on little endian systems due to how >>>>> it encodes and decodes data. Most QMI related data structures are defined >>>>> in CPU native order and do not use endian specific types. >>>>> >>>>> Add support for endian conversion of basic element types in the QMI >>>>> encoding and decoding logic. Fix the handling of QMI_DATA_LEN fields to >>>>> ensure correct interpretation on big endian systems. These changes are >>>>> required to allow QMI to operate correctly across architectures with >>>>> different endianness. >>>>> --- >>>> >>>> Hello, >>>> >>>> I recently (next-20260119) started receiving errors on Pixel 3: >>>> [...] >>>> Since it's not well tested, I believe there could be problem with >>>> configuration, but after reverting this series, no errors pop up. >>>> >>>> I would believe maybe these errors was previously hidden, but just to be >>>> sure asking here. >>> >>> #regzbot ^introduced: fe099c387e06 >> >> Looks like nothing much has happened since then – or was there some >> progress or even a solution I missed? > > The current proposal is that the driver side should always use `u32` for > all `DATA_LEN` fields. Most drivers already follow this, and Bjorn has > proposed the patch for the one that was using a different type, and it has > already been applied. > > Check: > [1/1] remoteproc: sysmon: Correct subsys_name_len type in QMI request > commit: da994db94e60f9a9411108ddf4d1836147ad4c9c So I assume we can drop: - soc: qcom: qmi: Fix "invalid data length" in encoder - soc: qcom: qmi: Avoid splatting the "length" destination field we carry, right? Thanks David> > > Best regards > Alexander Wilhelm