-------- Original-Nachricht -------- > Datum: Tue, 23 Jun 2009 10:55:54 +0200 > Von: "Gerhard Pircher" <gerhard_pirc...@gmx.net> > An: Takashi Iwai <ti...@suse.de>, b...@kernel.crashing.org > CC: linuxppc-...@ozlabs.org > Betreff: Re: ALSA fixes for non-coherent ppc32 again
> > -------- Original-Nachricht -------- > > Datum: Mon, 22 Jun 2009 09:12:35 +0200 > > Von: Takashi Iwai <ti...@suse.de> > > An: Benjamin Herrenschmidt <b...@kernel.crashing.org> > > CC: Gerhard Pircher <gerhard_pirc...@gmx.net>, linuxppc-...@ozlabs.org > > Betreff: Re: ALSA fixes for non-coherent ppc32 again > > > But, it'd be helpful if someone can test the patches above beforehand, > > of course :) > Okay, I checked out your test/dma-fix branch and reformatted your > dma_mmap_coherent for powerpc patch ( > http://www.nabble.com/-PATCH-0-3--ALSA-fixes-for-non-coherent-ppc32-to17980027.html#a17980027 > ) to > adapt it for dma_mapping_ops (please take a look at the patch below). > I also had to change "def_bool n" to "def_bool y" for SND_NONCOHERENT_DMA > to actually enable it. > > Unfortunately the build process stops with these error messages here > (but compiles fine, if SND_COHERENT_DMA is not selected): > > CC [M] sound/core/memalloc.o > CC [M] sound/core/sgbuf.o > sound/core/sgbuf.c: In function ‘snd_free_sgbuf_pages’: > sound/core/sgbuf.c:46: error: dereferencing pointer to incomplete type > sound/core/sgbuf.c:47: error: dereferencing pointer to incomplete type > sound/core/sgbuf.c:48: error: dereferencing pointer to incomplete type > sound/core/sgbuf.c:50: error: dereferencing pointer to incomplete type > sound/core/sgbuf.c:51: error: dereferencing pointer to incomplete type > sound/core/sgbuf.c:52: error: dereferencing pointer to incomplete type > sound/core/sgbuf.c:56: error: dereferencing pointer to incomplete type > sound/core/sgbuf.c:57: error: dereferencing pointer to incomplete type > sound/core/sgbuf.c: In function ‘snd_malloc_sgbuf_pages’: > sound/core/sgbuf.c:78: error: dereferencing pointer to incomplete type > sound/core/sgbuf.c:81: error: dereferencing pointer to incomplete type > sound/core/sgbuf.c:82: error: implicit declaration of function > ‘snd_sgbuf_aligned_pages’ > sound/core/sgbuf.c:83: error: dereferencing pointer to incomplete type > sound/core/sgbuf.c:84: error: dereferencing pointer to incomplete type > sound/core/sgbuf.c:84: error: dereferencing pointer to incomplete type > sound/core/sgbuf.c:87: error: dereferencing pointer to incomplete type > sound/core/sgbuf.c:88: error: dereferencing pointer to incomplete type > sound/core/sgbuf.c:91: error: dereferencing pointer to incomplete type > sound/core/sgbuf.c:103: error: dereferencing pointer to incomplete type > sound/core/sgbuf.c:107: error: dereferencing pointer to incomplete type > sound/core/sgbuf.c:112: error: dereferencing pointer to incomplete type > sound/core/sgbuf.c:113: error: dereferencing pointer to incomplete type > sound/core/sgbuf.c:115: error: dereferencing pointer to incomplete type > sound/core/sgbuf.c:116: error: increment of pointer to unknown structure > sound/core/sgbuf.c:116: error: arithmetic on pointer to an incomplete type > sound/core/sgbuf.c:121: error: dereferencing pointer to incomplete type > sound/core/sgbuf.c:127: error: dereferencing pointer to incomplete type > sound/core/sgbuf.c:128: error: dereferencing pointer to incomplete type > sound/core/sgbuf.c:128: error: dereferencing pointer to incomplete type > sound/core/sgbuf.c:132: error: dereferencing pointer to incomplete type > > I also tried to compile it with the orginal dma_mmap_coherent for > powerpc patch, but that doesn't make a difference. > > As the next step I applied the reformatted dma_mmap_coherent patch and > the following patches from your test/dma-fix branch to a 2.6.30-rc8 > branch: > - ALSA: Remove old DMA-mmap code from arm/devdma.c > - ALSA: Fix SG-buffer DMA with non-coherent architectures > - ALSA: Fix mapping of DMA buffers > > This one compiled fine, but ALSA didn't work. No kernel oops, just the > sound of silence. :) Okay, that's wrong. I somehow messed up the .config file. It doesn't compile, too. Gerhard -- GRATIS für alle GMX-Mitglieder: Die maxdome Movie-FLAT! Jetzt freischalten unter http://portal.gmx.net/de/go/maxdome01 _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
