linux-kernel - Re: [PATCH 3/3] i2c: designware: Support of controller with IC_EMPTYFIFO_HOLD

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Message-ID: <5fca6d24-b84d-408e-874a-e86b811444fc@kernel.org>
Date: Sat, 18 Oct 2025 17:55:55 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Benoît Monin <benoit.monin@...tlin.com>,
 Andi Shyti <andi.shyti@...nel.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Jarkko Nikula <jarkko.nikula@...ux.intel.com>,
 Mika Westerberg <mika.westerberg@...ux.intel.com>,
 Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
 Jan Dabros <jsd@...ihalf.com>,
 Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
 Clark Williams <clrkwllms@...nel.org>, Steven Rostedt <rostedt@...dmis.org>
Cc: Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
 Gregory CLEMENT <gregory.clement@...tlin.com>,
 Théo Lebrun <theo.lebrun@...tlin.com>,
 Tawfik Bayouk <tawfik.bayouk@...ileye.com>,
 Vladimir Kondratiev <vladimir.kondratiev@...ileye.com>,
 Dmitry Guzman <dmitry.guzman@...ileye.com>, linux-i2c@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-rt-devel@...ts.linux.dev
Subject: Re: [PATCH 3/3] i2c: designware: Support of controller with
 IC_EMPTYFIFO_HOLD_MASTER disabled

On 17/10/2025 16:59, Benoît Monin wrote:
>  
>  static const struct of_device_id dw_i2c_of_match[] = {
> -	{ .compatible = "snps,designware-i2c", },
> -	{ .compatible = "mscc,ocelot-i2c", .data = (void *)MODEL_MSCC_OCELOT },
>  	{ .compatible = "baikal,bt1-sys-i2c", .data = (void *)MODEL_BAIKAL_BT1 },
> +	{ .compatible = "mobileye,eyeq6lplus-i2c", .data = (void *)NO_EMPTYFIFO_HOLD_MASTER },
> +	{ .compatible = "mobileye,eyeq7h-i2c", .data = (void *)NO_EMPTYFIFO_HOLD_MASTER },

That's not necessary. Don't create duplicated entries, express
compatibility.

Best regards,
Krzysztof