# Re: ide interrupts

- From: Benjamin Herrenschmidt \<benh@kernel.crashing.org\>
- Date: 2003-05-23 16:09:57 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2003/05/9387995
- Thread: https://ratatoskr.run/linuxppc-dev/2003/05/9387992/t.md

```text

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)

Ben.


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```