linux-kernel - Re: [PATCH 2/3] iio: temperature: add max6675 thermocouple converter driver

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Date:	Tue, 04 Aug 2015 11:30:36 +0200
From:	Paul Bolle <pebolle@...cali.nl>
To:	Matt Porter <mporter@...sulko.com>
Cc:	Linux IIO List <linux-iio@...r.kernel.org>,
	Devicetree List <devicetree@...r.kernel.org>,
	Jonathan Cameron <jic23@...nel.org>,
	Rob Herring <robh+dt@...nel.org>,
	Mark Rutland <mark.rutland@....com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/3] iio: temperature: add max6675 thermocouple
 converter driver

On ma, 2015-08-03 at 16:56 -0400, Matt Porter wrote:
> --- /dev/null
> +++ b/drivers/iio/temperature/max6675.c
> +static const struct spi_device_id max6675_spi_ids[] = {
> +	{"max6675", 0},
> +	{},
> +};
> +MODULE_DEVICE_TABLE(spi, max6675_spi_ids);

> +MODULE_ALIAS("spi:max6675");

For the "spi" alias this is "belt and suspenders":
    modinfo ./max6675.ko | grep alias
    alias:          spi:max6675
    alias:          acpi*:MXIM6675:*
    alias:          of:N*T*Cmaxim,max6675*
    alias:          spi:max6675

I'd drop the MODULE_ALIAS().

(Mark Brown made it quite clear I shouldn't nag people about the origin
of the various strings used in these module aliases. So I won't. But if
you'd volunteer to explain me where "max6675" might come from for the
spi alias that would, at least, satisfy my curiosity.)

Thanks,


Paul Bolle
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