Re: 2.4.21-ben2 and acard aec6280m (CONFIG_AEC62XX_TUNING)
On Mon, 2003-07-07 at 12:06, Menaka Lashitha Bandara wrote:
> On Mon, 2003-07-07 at 05:37, Benjamin Herrenschmidt wrote:
> > > looks like multcount is the key.
> > Does it work better if you use hdparm to switch multcount back
> > to 0 ?
> On my onboard pmac controller, it either hangs, with "lost interrupt"
> being repeated, or resets ide0.
> I thought that it might be because you've changed DMA_TIMEOUT to 100
> from 500. When I recompiled with 500 again, it didn't change anything.
> The driver pmac.c simply cannot get a dma, and doesn't have multicount
Hrm... And the version in 2.4.20 worked ? That's really weird, the
basic mecanism didn't change nor the timing calculations... Can you
edit the driver in both kernels and turn
And tell me the messages displayed about the timing register setting ?