Re: [RFC] Remove most all #define pr_fmt(fmt) lines

From: Mark Brown
Date: Wed Mar 28 2012 - 05:46:35 EST

On Wed, Mar 28, 2012 at 12:30:03AM -0700, Joe Perches wrote:
> On Wed, 2012-03-28 at 09:27 +0200, Clemens Ladisch wrote:
> > Joe Perches wrote:

> > > +regulator-y := core.o dummy.o fixed-helper.o
> > > +regulator-objs := $(regulator-y)

> > > -obj-$(CONFIG_REGULATOR) += core.o dummy.o fixed-helper.o
> > > +obj-$(CONFIG_REGULATOR) += regulator.o

> > > Any objections or other suggestions/improvements?

This seems an incredibly obscure approach.

> > Instead of doing a Makefile change that has no _obvious_ connection with
> > printk, wouldn't it be better to just define pr_fmt with "regulator: "?

This seems like a much better idea if we're going to do anything; it
means that we don't end up embedding module names in things (which are
after all a bit of an implementation detail) and get to pick the name so
we can do something like get the prefix which is used for the symbols in
the code even if things are split over multiple modules.

> Maybe, maybe not.

> Bundling objects in a Makefile like this is pretty common
> and can also produce better module names.

In the case above we don't support modular build in the first place.

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