[alsa-devel] ALSA on MIPS platform

Ralf Baechle ralf at linux-mips.org
Tue Aug 7 19:54:02 CEST 2007


On Tue, Aug 07, 2007 at 11:01:57PM +0900, Atsushi Nemoto wrote:

> On Tue, 7 Aug 2007 10:18:04 +0400, "Dajie Tan" <jiankemeng at gmail.com> wrote:
> >  static inline unsigned long virt_to_phys(volatile const void *address)
> >  {
> > -       return (unsigned long)address - PAGE_OFFSET + PHYS_OFFSET;
> > +       return ((unsigned long)address & 0x1fffffff) + PHYS_OFFSET;
> >  }
> 
> This makes virt_to_phys() a bit slower, and more importantly, breaks
> 64-bit kernel.

It's ALSA that is doing funny things here so there is no point in fixing
the arch code to work for ALSA.

  Ralf


More information about the Alsa-devel mailing list