From: Trevor Woerner <ppc339@vtnet.ca>
To: linuxppc-dev@lists.linuxppc.org
Subject: Re: ide interrupts
Date: Sun, 25 May 2003 19:12:24 -0400 [thread overview]
Message-ID: <200305251912.24266.ppc339@vtnet.ca> (raw)
In-Reply-To: <1053706196.580.1.camel@gaston>
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?
Trevor
** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2003-05-25 23:12 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-05-23 15:36 ide interrupts Trevor Woerner
2003-05-23 16:09 ` Benjamin Herrenschmidt
2003-05-25 23:12 ` Trevor Woerner [this message]
2003-05-26 6:47 ` Geert Uytterhoeven
2003-05-23 16:26 ` linas
-- strict thread matches above, loose matches on Subject: below --
2003-12-05 16:25 Kathy Frazier
2003-12-05 17:04 ` Randy.Dunlap
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