Problem with "ARM: tegra: Move tegra_common_init to tegra_init_early"
swarren at nvidia.com
Wed Feb 23 12:13:59 EST 2011
Colin Cross wrote at Wednesday, February 23, 2011 12:43 AM:
> On Tue, Feb 22, 2011 at 7:12 PM, Stephen Warren wrote:
> > The following commit makes the Tegra APB DMA engine fail to initialize
> > correctly:
> > ARM: tegra: Move tegra_common_init to tegra_init_early
> > ...
> > I tried moving the call to tegra_dma_init back to each of the very end
> > of tegra_init_irq and the very beginning of tegra_harmony_init. Both
> > of these resulted in a kernel that wouldn't boot.
> I don't know why it still fails if you put it back at the beginning of
> the machine init, and it boots without errors on my board if I move
> tegra_dma_init to a postcore_initcall, but I don't have any drivers on
> my board that use DMA.
It looks like the fail-to-boot symptom was an operator error or
incremental build problem. I retested everything with a from-scratch
build and moving tegra_dma_int to be a postcore_initcall solves the issue
for me; I've posted a patch to do that.
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