On Thu, 2011-03-31 at 22:39 +0200, Gerhard Pircher wrote:
> Anyway, it compiles with explicit type casts and I could test it on my
> semi-noncoherent AmigaOne. So far it works just fine with the VIA
> onboard
> sound and a Soundblaster Live PCI card.
>
> Thanks a lot for the fix!
Yes, the version
Original-Nachricht
> Datum: Fri, 25 Mar 2011 17:50:06 +1100
> Von: Benjamin Herrenschmidt
> An: linuxppc-dev
> CC: Takashi Iwai
> Betreff: [PATCH] powerpc: Implement dma_mmap_coherent()
> This is used by Alsa to mmap buffers allocated with dma_alloc
On Fri, 2011-03-25 at 17:50 +1100, Benjamin Herrenschmidt wrote:
> This is used by Alsa to mmap buffers allocated with dma_alloc_coherent()
> into userspace. We need a special variant to handle machines with
> non-coherent DMAs as those buffers have "special" virt addresses and
> require non-cachab
At Fri, 25 Mar 2011 20:11:57 +1100,
Benjamin Herrenschmidt wrote:
>
> On Fri, 2011-03-25 at 09:06 +0100, Takashi Iwai wrote:
> > > @@ -52,6 +53,7 @@ extern void __dma_sync_page(struct page *page,
> > unsigned long offset,
> > > #define __dma_free_coherent(size, addr) ((void)0)
> > >
On Fri, 2011-03-25 at 09:06 +0100, Takashi Iwai wrote:
> > @@ -52,6 +53,7 @@ extern void __dma_sync_page(struct page *page,
> unsigned long offset,
> > #define __dma_free_coherent(size, addr) ((void)0)
> > #define __dma_sync(addr, size, rw) ((void)0)
> > #define __dma_sync
At Fri, 25 Mar 2011 17:50:06 +1100,
Benjamin Herrenschmidt wrote:
>
> This is used by Alsa to mmap buffers allocated with dma_alloc_coherent()
> into userspace. We need a special variant to handle machines with
> non-coherent DMAs as those buffers have "special" virt addresses and
> require non-ca
This is used by Alsa to mmap buffers allocated with dma_alloc_coherent()
into userspace. We need a special variant to handle machines with
non-coherent DMAs as those buffers have "special" virt addresses and
require non-cachable mappings
Signed-off-by: Benjamin Herrenschmidt
---
Dunno if anybody
