geert at linux-m68k.org
Mon May 26 16:47:02 EST 2003
On Sun, 25 May 2003, Trevor Woerner wrote:
> On May 23, 2003 12:09 pm, Benjamin Herrenschmidt wrote:
> > On Fri, 2003-05-23 at 17:36, Trevor Woerner wrote:
> > > There seems to be a lot of code in the IDE subsystem relating to
> > > interrupts. Is there a way to set a device in polled (i.e.
> > > non-interrupt) mode? Maybe some way to run the tasklet/bh
> > > periodically?
> > >
> > > Does the IDE system want to monitor my ATA device's Ready_NotBusy
> > > interrupt?
> > No, linux IDE layer can't do that in a sane way, you are asking for
> > a _lot_ of trouble... (especially if doing DMA)
> "No" there isn't a way to set the device into polled mode, or "No" it
> doesn't monitor the Ready_NotBusy interrupt?
Can't you use the Ready_NotBusy interrupt as IDE interrupt?
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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