Re: [Qualcomm PM8921 MFD 1/6] mfd: pm8921: Add PMIC 8921 core driver

[Mark Brown <broonie@opensource.wolfsonmicro.com>]

On Wed, Mar 02, 2011 at 02:13:16PM -0800, adharmap@codeaurora.org wrote:

> +config MFD_PM8XXX
> +	tristate "Support for Qualcomm PM8xxx subdevices"
> +	help
> +	  This option enables the usage of various Qualcomm PMIC 8xxx subdevice
> +	  drivers. This is required in order to use generic PM8xxx subdevice
> +	  drivers. Selecting with option will result in PM8xxx subdevice
> +	  drivers being compiled by default.

As this is selected by the driver it shouldn't have any help text -
there's no point in users seeing the option since it's useless by
itself.  If we get enough to make an option useful either a menu or
dependencies from the individual MFDs would be a better option.

> +static int __devinit pm8921_add_subdevices(const struct pm8921_platform_data
> +					   *pdata,
> +					   struct pm8921 *pmic)
> +{
> +	return 0;
> +}

This looks suspicious.

> +static int __init pm8921_init(void)
> +{
> +	return platform_driver_register(&pm8921_driver);
> +}
> +postcore_initcall(pm8921_init);

Typically subsys_initcall() has been used.