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 A1695305662; Mon, 15 Jun 2026 05:22:59 +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=1781500980; cv=none; b=eZPhDDq//+C71A0fmyAwmXPSt8p6HlcbMnOfKgL2cdP8s0SBwsfoF0txFdzoKCcRjTSfhvtD4Ll9YeMni81aRK0NDdGmi1WWhycEtbtObf7ypbQ1HlUDXVIp0gOfKGyUgj6S8hyDKzDCCB1Wz3ub0KRstFyyfVgTbulXshef0T0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781500980; c=relaxed/simple; bh=kPX0CCkaS95O6QiDFH3BY+rq2IFqgBZWvOwq0+XbjNM=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=jHkbNmjS1xSntsIT9FYIfOyFuxH94K6RiMuDG4FEI6TH/xMfIdaTDhT3M5Yc8/TJ++Yt0eCoujwXuO4a1xlphNMMYhGz04/kQ+XFzKfOHVffPp2SyiU9iHIICmhRYZCIk6v/zDgsOMBfRgypqaX5sDDe6Uao5PNgJo2XYcIMyaE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=hf1/Wukc; 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="hf1/Wukc" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 21CC11F000E9; Mon, 15 Jun 2026 05:22:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1781500979; bh=3kQqZZZ7qMqSw0hVV/Jifg8JGJb5VIL4BbDU26ZLBsQ=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=hf1/WukcfQYiZcH9Rulajd/fItP6yGAq2pyA5Zm4/5c6Yim+iN/E4UFOoZqzUW91b DNIQQzOuq6ew7rQOJ1LgoYRbGqc6qNfPoSokKsL2FXxNTe5chcpIiTfrg7jAGLYWFP FBoZYsRqJnI66OvqibGgtftydgr0376S9FtW4cJsUZSjYhJd+SkMPWJwqpwZqktF+m iO6XNIHJ+orYQ8CygKz+fgYmFU+NClh5tML/IielRdQqTlh9/jDfE3Admqogb4Fxnc 4iKuv57sgJl0v7RiSRG5W4Fv0RVbeOfu8RVmhzAe66PQHUenecs0DP6I8FIhHIb32/ Tu9JeJCgyDM9A== Message-ID: Date: Mon, 15 Jun 2026 07:22:52 +0200 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/2] spi: dt-bindings: qcom,spi-geni-qcom: Add property to force GSI mode To: Pengyu Luo , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Andy Gross , Bjorn Andersson Cc: linux-arm-msm@vger.kernel.org, linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260614083424.464132-1-mitltlatltl@gmail.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 14/06/2026 10:34, Pengyu Luo wrote: > Some devices (such as gaokun3) do not disable FIFO mode, causing the > driver to fallback to FIFO mode by default. However, these platforms > also support GSI mode, which is highly preferred for certain > peripherals like SPI touchscreens to improve performance. > > Introduce the "qcom,force-gsi-mode" device property to hint and force > the controller into GSI mode during initialization. You described the desired Linux feature or behavior, not the actual hardware. The bindings are about the latter, so instead you need to rephrase the property and its description to match actual hardware capabilities/features/configuration etc. And even differently named property does not feel correct here - just choose GSI in the driver... Best regards, Krzysztof