-------- Original-Nachricht -------- > Datum: Wed, 14 May 2008 14:26:53 +0200 > Von: Takashi Iwai <[EMAIL PROTECTED]> > An: "Gerhard Pircher" <[EMAIL PROTECTED]> > CC: [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED], > linuxppc-dev@ozlabs.org, [EMAIL PROTECTED] > Betreff: ALSA fixes for non-coherent archs (Re: [PATCH] Sam440ep support)
> At Tue, 06 May 2008 11:16:22 +0200, > Gerhard Pircher wrote: > > > > Naturally I can do some tests, if you or Takashi come up with a new > > patch. > > OK, here is another patch for testing. Since I lost my old patch > somewhere (and it's not worth to dig the archive), I wrote it up > quickly from scratch. This version should cover both SG and non-SG > buffers. It's against the latest git tree. > > The patch adds a hackish verison of dma_mmap_coherent() for some > architectures in sound/core/pcm_native.c. I'm not sure whether this > works. I just tested it on X86. It'd be appreciated if someone can > test this. > > Also, this disables HDSPM driver for non-X86/IA64 since the driver has > own copy and silence methods that are incompatible with the new > SG-buffer data. > > > And, yes, I know we need to clean up huge messes in ALSA memory > handling routines. But, let's fix obvious bugs before starting a big > rewrite... Okay, it seems to work fine so far. No lock-ups or kernel oopses. Tested with kernel v2.6.26-rc2 and a Soundblaster 5.1/EMU10k1 device (which was not working with the old patch) on my non cache coherent G4 system. Thanks again! Gerhard -- Psssst! Schon vom neuen GMX MultiMessenger gehört? Der kann`s mit allen: http://www.gmx.net/de/go/multimessenger _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
