[lkml]   [2010]   [Apr]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: Threaded irq handler question
On Wed, Apr 21, 2010 at 05:35:32PM +0100, Will Newton wrote:
> Hi all,
> My problem is that this structure does not work, because once I call
> disable_irq_nosync() on the irq in the check handler the thread will
> no longer run because the irq is disabled. However if I don't call
> disable_irq_nosync() I will get endless irqs because the line is
> level-triggered and will not be deasserted until the thread has run.
> Could someone tell me what I'm doing wrong here?

Does IRQF_ONESHOT meet your need?


 \ /
  Last update: 2010-04-22 03:39    [W:0.071 / U:0.440 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site