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 7B2C72E7631; Mon, 6 Jul 2026 05:58:32 +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=1783317513; cv=none; b=k1CLLnBWTuJVY68n49PGPLh+fxWBdjRwrH8+YeIG2E6OfdkgOWrHmQyzad7Pvsh2tZCGmqdYGOamIk+kYMMgR29mTJ4uY5lVYPhfe6E+KwMqx9esPeJtsAGM8AO9Ku5s4NdUEnxoX/JTW4mvtRbLDwaDAyJxkD6ITpAPuZ84SE4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783317513; c=relaxed/simple; bh=Jpr9sMSRvn3Ztat0XFnR+r6kDiX7HhhFGnAWG1L/N/A=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=A+2Wx1vSXRa3AKNvQLHh/N17m+Z6FEdqjNjUSDxI7jsbPodGDf1e1fc2i9tebQae7MVzv//ELqhS3lTvTJZvh96TpLORZsQD5vqYnpqKkQTrEuAoEbSbwbAd9XIBcN+4M1aUGrHfGK42uHALCl/2ajbz1ReWyOm6LO0VHJ2wSyI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=E8H+LmLV; 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="E8H+LmLV" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 603221F000E9; Mon, 6 Jul 2026 05:58:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1783317512; bh=MSwtMCbJNGc9lDXgclahi3Z00xbyDAxhUu2exOrRL5Y=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=E8H+LmLVJwu27mb6cmHsnjX+AM82FA6+SvzqfcV50M0K8jAEofRZ/uS+ocpB/avW4 xB3qOc4Z0uCQyQ09jOLupLB8UXZwtTOdBYcFBEqxjxsfMjqX3PsaN8+6PIdNGUsYiy dnfesBDDeB0kd3NxeYfW1HuBJFdizBH6rMvspDn0YnJFrV5Z7b9kRpGKOJSNEbsngP 1u1sDIcUxy+5o11bSu/Rcg0PVwG5jjDaqD3tKjOubns4aeQ6Oo7p5Ve/fIPi4r74qz NQg/kb4i1iX81QSFzPmL9zR3PzmFe8BU7+R9AkyYJwLxJiJjZNnna969Lc6kcIJHg5 aNoe8Gq+FDgbQ== Message-ID: <1edb643c-1d09-4ad8-97df-66c86e6123c5@kernel.org> Date: Mon, 6 Jul 2026 07:58:25 +0200 Precedence: bulk X-Mailing-List: linux-i2c@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v1] i2c: qcom-geni: Add dynamic transfer timeout based on transfer length and frequency To: Aniket Randive , mukesh.savaliya@oss.qualcomm.com, viken.dadhaniya@oss.qualcomm.com, andi.shyti@kernel.org, sumit.semwal@linaro.org, christian.koenig@amd.com Cc: linux-i2c@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, naresh.maramaina@oss.qualcomm.com References: <20260705134619.4030745-1-aniket.randive@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 05/07/2026 15:46, Aniket Randive wrote: > The driver uses a static XFER_TIMEOUT of HZ (1 second) for all transfers > regardless of message length or bus frequency, causing unnecessary > delays on error paths. > > Compute the timeout dynamically from message length and bus frequency > with a 10x safety margin over the theoretical wire time and a 300ms > floor. For GPI multi-descriptor transfers, use the maximum message > length across all queued messages as the per-completion timeout. > > Signed-off-by: Aniket Randive > --- > arch/arm64/configs/defconfig | 54 +++--------------------------- > drivers/i2c/busses/i2c-qcom-geni.c | 37 +++++++++++++++----- > 2 files changed, 33 insertions(+), 58 deletions(-) > > diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig > index faf146441f97..841108ae2d01 100644 > --- a/arch/arm64/configs/defconfig > +++ b/arch/arm64/configs/defconfig > @@ -32,7 +32,6 @@ CONFIG_KALLSYMS_ALL=y > CONFIG_PROFILING=y > CONFIG_KEXEC=y > CONFIG_KEXEC_FILE=y > -CONFIG_CRASH_DUMP=y Irrelevant patch change. And not really correct - you base this on some old tree. Best regards, Krzysztof