[PATCH] [RFC] USB: fsl_udc_core: fix build-failure for ARM

[Russell King - ARM Linux]

On Fri, May 06, 2011 at 11:00:05AM +0200, Uwe Kleine-König wrote:
> I'm unsure about getting rid of the flush_dcache_range. If powerpc needs
> a flush ARM probably does, too, no?
> If so, what it the right thing to do? Implement flush_dcache_range for
> ARM (just wrapping flush_dcache_page?)?

On ARM, we assume all new pages have dirty dcache, which allows us to
neatly end the ever-increasing quantity of drivers which need to be
patched to work on ARM.  PowerPC doesn't do this.