linux-kernel - Re: [PATCH v2 10/11] mfd: motorola-cpcap: diverge configuration per-board

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Message-ID: <aYiHnUW93AB0ARJH@smile.fi.intel.com>
Date: Sun, 8 Feb 2026 14:54:53 +0200
From: Andy Shevchenko <andriy.shevchenko@...el.com>
To: Svyatoslav Ryhel <clamor95@...il.com>
Cc: Jonathan Cameron <jic23@...nel.org>,
	David Lechner <dlechner@...libre.com>,
	Nuno Sá <nuno.sa@...log.com>,
	Andy Shevchenko <andy@...nel.org>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Lee Jones <lee@...nel.org>, Pavel Machek <pavel@...nel.org>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Dixit Parmar <dixitparmar19@...il.com>,
	Tony Lindgren <tony@...mide.com>, linux-iio@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-input@...r.kernel.org, linux-leds@...r.kernel.org
Subject: Re: [PATCH v2 10/11] mfd: motorola-cpcap: diverge configuration
 per-board

On Fri, Feb 06, 2026 at 07:28:44PM +0200, Svyatoslav Ryhel wrote:
> MFD have rigid subdevice structure which does not allow flexible dynamic
> subdevice linking. Address this by diverging CPCAP subdevice composition
> to take into account board specific configuration.
> 
> Create a common default subdevice composition, rename existing subdevice
> composition into cpcap_mapphone_mfd_devices since it targets mainly
> Mapphone board.

...

> -static const struct of_device_id cpcap_of_match[] = {
> -	{ .compatible = "motorola,cpcap", },
> -	{ .compatible = "st,6556002", },
> -	{},
> -};
> -MODULE_DEVICE_TABLE(of, cpcap_of_match);
> -
>  static const struct spi_device_id cpcap_spi_ids[] = {
>  	{ .name = "cpcap", },
>  	{ .name = "6556002", },
> +	{ .name = "mapphone-cpcap", },
>  	{},
>  };

This  also needs to be converted to use driver data.

>  MODULE_DEVICE_TABLE(spi, cpcap_spi_ids);

-- 
With Best Regards,
Andy Shevchenko