Re: [RFC][PATCH] TTY flip buffer SMP changes

[Alan Cox]

On Sad, 2004-10-09 at 02:42, Benjamin Herrenschmidt wrote:
> That reminds me... a while ago, I toyed with the idea of having DMA
> support in pmac_zilog. The case where it would work well is typically
> for things that have a known sized frame. If that information was
> provided down to the driver, I could setup the DMA descriptor for
> that frame size & have it interrupt me when the frame is complete,
> along with a timeout set to the estimated time for receiving such
> a frame + X% (I was thinking +20%)

I thought the 85C30 only supported DMA for sync modes ? We have sync
8530 DMA code for ISA bus already, which I never got around to adding
async too 8)

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/