[lkml]   [2010]   [Nov]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH/RFC] core: add a function to safely try to get device driver owner
On Mon, 29 Nov 2010 23:10:50 +0100 (CET)
Guennadi Liakhovetski <> wrote:

> In my case I have two platform devices: CEU and CSI2. In some cases (with
> parallel sensors) CEU operates on its own. With serial (CSI-2) camera
> sensors we need the CSI2 driver. So, I want to
> try_module_get(csi2_dev->driver->owner) the CSI2 driver from my CEU
> driver. This call can Oops if not done safely. Am I missing something? Is
> there an easier way to achieve the same?

This looks exactly like what the V4L2 subdev mechanism was meant to do.
Is there a reason you can't use that interface?



 \ /
  Last update: 2010-11-29 23:31    [W:0.050 / U:8.860 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site