[alsa-devel] [PATCH] ALSA - protect Dreamcast PCM driver (AICA) from G2 bus effects

Takashi Iwai tiwai at suse.de
Thu Oct 18 10:18:50 CEST 2007


At Wed, 17 Oct 2007 21:30:28 +0100,
Adrian McMenamin wrote:
> 
> The G2 bus on the SEGA Dreamcast connects both the maple peripheral
> bus and the AICA sound memory. DMA requests on one can cause the other
> to timeout on memory operations.
> 
> This patch prevents maple interrupts from causing hiccoughs in the
> AICA sound (maple bus code will land in 2.6.24).
> 
> There are other cleanups for this (AICA) code - but this is in effect
> a regression fix rather than a cleanup.
> 
> Signed-off-by: Adrian McMenamin <adrian at mcmen.demon.co.uk>

Applied to ALSA tree now.  Thanks.


Takashi


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