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 B786740D570; Sat, 13 Jun 2026 07:51:17 +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=1781337078; cv=none; b=ELh19+6nf8zkPWwS9VQD1/TBG0EF9vKwril62pzM0calovFfDQwpBRFTD7gp9RMy87nyrUNna/yJX8CYvrhDQ+Ly7oKEdpRe/h9VDXpipUvmp48am7vHbh+vNxChRAAyo1D/KRWxYfHtPEkC0iwqS9+tfEgtf2drx9+KSOCu5yU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781337078; c=relaxed/simple; bh=QirhzdVl1R8l4gHfGGxXDuoLPGlSnqPxn42ifbQWfrc=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=J/s5OKyNyWVVgqcAqKmrjBIsW0sdLIBN+PbOxDWfWy+XV1ddnwTkKP8OMaWXVID6YyNWDCb+JIm/i+hNV7fmNLy17PwpvymKzfLy3z87AtukDyVVrXJ/p/8e+fLQK+IpyGDYtXOkf0YQerNUB/JMnPTPM4xfq28CGc63gljTM6s= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=m5fsH1Hc; 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="m5fsH1Hc" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6B27C1F00A3D; Sat, 13 Jun 2026 07:51:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1781337077; bh=aQKd766q2zTK78SnRUy8XosE4SZ8bpPjdUotEk5284A=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=m5fsH1HcIMUi9PNihJ+BSyeAyslIDdRuDfif6PmyOPNhausIzVvBnDr2NO1xARog8 wOb8hiCd++4+aFsLxP+ivTpWd2nIP1SaBl8id0ejn4SAP1LJ7E5Ll5P8ByG8JSOiAu D0lpJ2FQ6tQD0qoyL747pX5r+WjyZwItBc8g9S3dhQT1moCPD1vyVBT73va/Zkj7SJ h2ZDSH10L00r9TTGG2Z/5GXMyzGm3HdL8vV0ttbMiR3QIFb52ZNoENwHjZhlVS3Zuj k0mKnbORpeQV1bFgCEmNdK+hujewZ99GO9hA3GR/ho3s6wgo5xqpJ6JEZVXVGeulV7 kJYayix0YeIOw== Message-ID: <4e4ef1ae-62e7-4639-914c-19f49930be02@kernel.org> Date: Sat, 13 Jun 2026 09:51:13 +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 v4 4/4] iio: flow: add Sensirion SLF3S liquid flow sensor driver To: Jonathan Cameron Cc: Wadim Mueller , Krzysztof Kozlowski , Rob Herring , Conor Dooley , David Lechner , =?UTF-8?Q?Nuno_S=C3=A1?= , Andy Shevchenko , Maxwell Doose , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Marcelo Schmitt , Rodrigo Alencar <455.rodrigo.alencar@gmail.com> References: <20260611132700.671322-1-wafgo01@gmail.com> <20260611132700.671322-5-wafgo01@gmail.com> <20260612184729.795e0e84@jic23-huawei> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 12/06/2026 19:47, Jonathan Cameron wrote: > On Thu, 11 Jun 2026 16:01:12 +0200 > Krzysztof Kozlowski wrote: > >> On 11/06/2026 15:27, Wadim Mueller wrote: >>> + >>> +static const struct of_device_id slf3s_of_match[] = { >>> + { .compatible = "sensirion,slf3s-0600f", .data = &slf3s_variants[0] }, >>> + { .compatible = "sensirion,slf3s-1300f", .data = &slf3s_variants[1] }, >>> + { .compatible = "sensirion,slf3s-4000b", .data = &slf3s_variants[2] }, >> >> You should have only 1300f here and detect the variants. That was my >> point when I suggested to use the fallback. >> > > I'm lost. How does that work? They cannot fallback to that part because > it relies on in driver detection of the fact that they are incompatible. > I am lost too. Then why were they made compatible in the binding? Entire discussion was that these are FULLY compatible due to variant detection. That was the entire point of discussing more generic fallback. Using specific fallback does not change that - it is the same concept. If devices are not detectable, why were we discussing any compatibility? Best regards, Krzysztof