From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794508857; b=UZE7R8E1OICYvW2DyEfyWUGg2VhMBJiMlCIaOWotft+ENFviEf8PLeqWb5NEplbixVYr 7xL/Ebalxy/rts086OwqCyG/MAlShhmMxWwvYBG6sir24dPP8iC0ga1iFsNGw8D/Ya9xZ Zinu937ikpdnTZs9VmUMGgsPuyk/7uXais49XS/rWn8cpa8CzEhl2Np0xIte37PM1KaMr XuWjwkcI2ho36V0nQ+V+KNcOnfivj/ENxPqNqhtMAQ4a+7igdk8oluuxJKz+7KU/Kg17D nI12+1q4L0J5M3X2nonhOS544sSQOUZrKcD3FB/DRLTy6JI9xWnsS2B7pxATrSzgOoA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794508857; h=Received:DKIM-Signature:Date:From:To:Cc:Subject:Message-ID: References:MIME-Version:Content-Type:Content-Disposition:In-Reply-To: X-Cookie; bh=8HwKy2Ni3hhvlhPAIbhLgQPBiXHFM2JdTyPuEE7hnDI=; b=xqHiY19XpJ1f5GojgNzt3SfNs7ZPlTV/nChA/Ev1gPfHRZZ8OTDjugiacG4HNaAKBq/P XaBeMdBUFNq04SpxxJhw0B12e7KCxkw72Ujons2o7tBVocNrgrIbnq9fzog9lkTSFBZlo dQiDEyN5dQ0cFa8zZZ/EFHSzSv9PCl9dKBwVzZ0U5YMXMRuN6RYa51Q8QTsLlGyxlGEoj GBOJXOGFYobrSdA8SHzZS99x3VDmAZ9YUMQ9yq1LfTOAJlsRos+f/jfOZCPP7aCepqaWr /PSSWJQNluOhqCgzeKEhIHheu5RvYJ0DQTCV5IZJicIFQDqmBgIF0P/frmix1/3sQ5Q== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=I2XFml4V; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4C557606A330; Thu, 12 Nov 2026 18:40:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=I2XFml4V Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6E9D01F000C4; Thu, 12 Nov 2026 18:40:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794508857; bh=8HwKy2Ni3hhvlhPAIbhLgQPBiXHFM2JdTyPuEE7hnDI=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=I2XFml4VnUd9hWL11SqonT3UQ7RpFiGf2jFkNpay7r2Rvn2MCvt70KsIsO/IbOQAE hsHQKymF4/2AXgmKyL2diX1kUmzfaMaOYZXHypct6PAtJqfbiBN4zULMmqqLaqNdvU UG5V10GX8F/oUPWwlAb9eozaPJDTHFrXLVk5HnfHn6wLOwNV0h7Rz7q5dEgWku/WqD vWEzIyrsrby3B36UvvpiKHwRyTr2uVr8Q8AMVTJZg0bnkun3NNeftex1CVFT4W0+aQ 2IbUsxxCfgnY/AAYU00WDi4MbAW9ixXH4RJ1SPQuw9dU5kXfohsIbiciSM2Ct1pelz UcJ6Xav1JgT6A== Date: Thu, 12 Nov 2026 18:40:51 +0000 From: Mark Brown To: Aniket Limaye Cc: Krzysztof Kozlowski , Andi Shyti , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Philipp Zabel , linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, lianfeng.ouyang@starfivetech.com, s-jain1@ti.com, andriy.shevchenko@linux.intel.com Subject: Re: [PATCH v5 1/2] dt-bindings: i2c: Add Synopsys DWC_i2c controller Message-ID: <77286fa5-5952-4e02-9c4d-040b047cc2b5@sirena.org.uk> References: <20261111-tda54-upstream-i2c-v5-0-280a4a779b24@ti.com> <20261111-tda54-upstream-i2c-v5-1-280a4a779b24@ti.com> <20261111-smooth-meerkat-of-judgment-dbe8bc@quoll> <34533daa-7eb9-4674-a288-e8d87a8bf29f@sirena.org.uk> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="JPShpkDOxa7X/GR9" Content-Disposition: inline In-Reply-To: X-Cookie: Baby On Board. --JPShpkDOxa7X/GR9 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Thu, Nov 12, 2026 at 11:46:27PM +0530, Aniket Limaye wrote: > So if I understand it correctly, > 1. you'd rather the driver have a generic compatible such that we can have > distro kernels not requiring specific SOC support for this driver. > 2. AND it is possible to have a *sane* fallback by using the IP's generic > minimum fifo depth. The DWC_i2c manual specifies IC_TX_BUFFER_DEPTH and > IC_RX_BUFFER_DEPTH as 2..1024, so using depth of 2 as a fallback would be > functional on any integration, just slower. Yes, exactly. --JPShpkDOxa7X/GR9 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmr2CDIACgkQJNaLcl1U h9DFUgf/ZgGPRM6nv1tMqke3XXhd8qi2gi9+yWd7tFmhD377HQAi6oU+E2oF4jmc Bm1f/14MWdfgUCgYwjHidMCLRjeHac8RCbon5z4Gl7izfHr8PN4Ip6//xLFvvGzf IG93Ly2yhILFrvD92uYo6f/4D2V32FDNleCGBii7JbcdFqfxQQCZ6VqsAHiHCpll RS0ovnSur0GnFjd9MDD/cH01f/Y5SN822CkpPgpU/2cAtI+LE46dmcAvnobExdIx 1nWUaOoyoKgu1sad9S+TaVYV+T90zF1uPeD2F9yR+Ma9bqryLbIxFpx8D41gXPJR ixBMreAecmQuPPAl2lYN2ZdBIy6oAQ== =NxGe -----END PGP SIGNATURE----- --JPShpkDOxa7X/GR9--