[PATCH 1/6] platform-drivers: msm: add single-wire serial bus interface (SSBI) driver

[Greg Kroah-Hartman]

On Thu, Mar 07, 2013 at 10:50:40AM -0800, David Brown wrote:
> Greg Kroah-Hartman <gregkh at linuxfoundation.org> writes:
> 
> >> Without this device, the PMIC drivers won't work, regulators can't be
> >> turned on, and most of the other devices won't work.  I can try if it
> >> can still be made a module, and it might be good at exercising the
> >> deferred probe mechanism.
> >
> > If the PMIC drivers are dependant on the symbols in this module, there
> > should not be any problems, right?
> 
> The PMIC drivers directly will be, but the users of gpios/irqs and
> regulators coming from the PMIC will only depend on the generic APIs for
> this.  In theory, the deferred probe should handle this, and it might
> be useful for testing.
> 
> I can allow it to be a module, although I don't picture that really
> being a useful configuration.

It will allow this to get multi-arch build testing at the very least, a
very valuable thing as time goes on.  You can always specify this as 'Y'
in your defconfig for your board.

thanks,

greg k-h