Re: [RFC PATCH RESEND 1/3] mfd: upboard: Add UP2 platform controller driver

[Mika Westerberg]

On Sat, Apr 21, 2018 at 09:50:07AM +0100, Javier Arteaga wrote:
> +static const struct acpi_device_id upboard_acpi_match[] = {
> +	{ "AANT0F01", (kernel_ulong_t) &upboard_up2_data },

No space after cast so write it like,

	{ "AANT0F01", (kernel_ulong_t)&upboard_up2_data },


> +	{ }
> +};
> +MODULE_DEVICE_TABLE(acpi, upboard_acpi_match);
> +
> +static int upboard_probe(struct platform_device *pdev)
> +{
> +	struct upboard *upboard;
> +	const struct acpi_device_id *id;
> +	const struct upboard_data *upboard_data;
> +	int ret;
> +
> +	id = acpi_match_device(upboard_acpi_match, &pdev->dev);
> +	if (!id)
> +		return -ENODEV;
> +
> +	upboard_data = (const struct upboard_data *) id->driver_data;

Ditto and to other places.

Otherwise looks good to me.