[PATCH] msm: fix debug-macro.S build failure
Russell King - ARM Linux
linux at arm.linux.org.uk
Thu Oct 28 12:35:18 EDT 2010
On Thu, Oct 28, 2010 at 09:30:13AM -0700, Daniel Walker wrote:
> On Wed, 2010-10-27 at 22:30 -0400, Nicolas Pitre wrote:
> > On Wed, 27 Oct 2010, Russell King - ARM Linux wrote:
> > > > +#else
> > > > + .macro addruart, rx, tmp
> > >
> > > addruart is now expected to return two values, and 'tmp' ends up being
> > > misleading. This is a recipe for mistakes unless this is corrected.
> > > It should be 'rp, rv' instead of 'rx, tmp'.
> > Also, it is probably not a good idea to return nothing. Otherwise the
> > code using those macros will then work on random values that just
> > happened to be in the corresponding register at the call location.
> Should we have something in generic arm code that allows this to just be
> turned off? Ideally we don't want any of this stuff even running.
If you don't want it, don't enable DEBUG_LL. DEBUG_LL is what you
enable for initial board bring-up and once you're getting kernel
messages via standard console drivers, you disable it.
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