linux-kernel - Re: [PATCH v1 07/10] spi: pxa2xx: Provide num-cs for Sharp PDAs via device properties

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Date: Tue, 26 Mar 2024 18:21:48 +0000
From: Mark Brown <broonie@...nel.org>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc: linux-spi@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Daniel Mack <daniel@...que.org>,
	Haojian Zhuang <haojian.zhuang@...il.com>,
	Robert Jarzmik <robert.jarzmik@...e.fr>,
	Russell King <linux@...linux.org.uk>
Subject: Re: [PATCH v1 07/10] spi: pxa2xx: Provide num-cs for Sharp PDAs via
 device properties

On Tue, Mar 26, 2024 at 08:07:57PM +0200, Andy Shevchenko wrote:

> Since driver can parse num-cs device property, replace platform data
> with this new approach.

But why?

> -static struct pxa2xx_spi_controller spitz_spi_info = {
> -	.num_chipselect	= 3,
> -};

> +static const struct property_entry spitz_spi_properties[] = {
> +	PROPERTY_ENTRY_U32("num-cs", 3),
> +	{ }
> +};

This is just platform data with less validation AFAICT.

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