Re: IDE todo list

Alan Cox
2003-03-23T14:17:44Z

On Sun, 2003-03-23 at 03:49, Petr Vandrovec wrote:
> This one fixes lockup, but I'm not actually sure that it is better
> than before, as both channels are downgraded to the PIO:

Its a real fix. We are in the IRQ handler so we cannot do disable_irq
because we deadlock waiting for ourselves to exit the interrupt handler

How we change mode downwards is a policy thing. We must avoid going into
MWDMA on error but going to UDMA0 is fine

Alan