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

2007-10-18 Thread Takashi Iwai
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 hic

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

2007-10-17 Thread Adrian McMenamin
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