Re: Re: Re: Re: Re: Re: [PATCH v4 11/18] input: Add initial supportfor TWL6040 vibrator

From: Tejun Heo
Date: Thu Jun 16 2011 - 08:02:55 EST


On Thu, Jun 16, 2011 at 02:13:59PM +0300, Péter Ujfalusi wrote:
> On Wednesday 15 June 2011 10:23:01 Tejun Heo wrote:
> > On Wed, Jun 15, 2011 at 10:18:58AM +0200, Tejun Heo wrote:
> > > No human being can feel 120usec difference and I can't see how using
> > > HIGHPRI is justified here (which is what the code is doing
> > > _accidentally_ by using singlethread_workqueue).
> >
> > Ooh, one more thing, and even if you insist on using HIGHPRI (please
> > don't), you don't need to create workqueue for each device. You can
> > just create one for the whole driver in init and destroy it from exit.
> > What matters is the HIGHPRI attribute of the workqueue. The number of
> > workqueues is completely irrelevant.
> Fair enough.
> I'll move to create_workqueue.

I suppose you meant alloc_workqueue()? :)

Sorry about the confusing names, I'm still in the (slow) process of
deprecating older APIs.


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