Hi Steve, On Saturday 24 September 2011 15:44:52 Steve Sakoman wrote: > On Tue, Mar 29, 2011 at 8:32 AM, Laurent Pinchart > > <[email protected]> wrote: > > I think that Sakari's patches correcty fix the problems he noticed. > > However, they won't fix one basic issue, which is that the iommu2 module > > won't be automatically pulled in when the omap3isp module is loaded. The > > omap3isp driver will then fail to probe the device. That's better than > > crashing though. > > > > One possible solution for that is to turn the tristate option for iommu2 > > into a bool option. I've also read a couple of times that the kernel > > provides a standard iommu API. Maybe switching to it would help. > > I'm attempting to get support for the Gumstix Caspa image sensor > (based on mt9v032) working with the 3.0 release. > > I'm running into the issue described above -- the omap3-isp module > loads but fails to probe the device. > > I've tried the tristate->bool option change and find that it does > allow me to proceed further, but the omap3-isp module is no longer > loaded automatically when I call omap3_init_camera in the board file.
That's weird, it should if udev is setup properly. > I have to manually modprobe it. I then see the sensor module > successfully probed and the video devices created (though not > functioning yet). > > Are you aware of a better way to do this? I see lots of patches for > iommu since this thread. Would I be better off waiting for 3.1 and > trying that, or will final resolution of this issue come even later? The tristate -> bool change (which will likely be part of a much bigger change set) will come later. -- Regards, Laurent Pinchart -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
