[PATCH] ARM: OMAP: make iommu subsys_initcall to fix builtin omap3isp

[Ohad Ben-Cohen]

Hi Laurent,

On Thu, Mar 1, 2012 at 6:37 PM, Laurent Pinchart
<laurent.pinchart at ideasonboard.com> wrote:
> I'll try that then. How expensive is the iommu_attach_device() (and detach)
> operation in terms of CPU time ?

omap_iommu_attach() basically enables the iommu clock and configures
that IP block.

I suspect it's negligible but I didn't really measure it...

Thanks,
Ohad.