Re: Tegra3 ehci_suspend and ehci_resume

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On Mon, 10 Dec 2012, Timur wrote:

> N7 is not using a vanilla kernel. It is one thing to apply modifications 
> to the given code base. It would be far more difficult (I think) to 
> replace the kernel as a whole. Maybe I should back port just as little 
> code as possible? Or maybe I should try to back port some full building 
> blocks? Where to make the cut? I also wonder how to make the system take 
> advantage of ehci_suspend() and ehci_resume(), both marked as 
> "__maybe_unused". Who is calling these methods?

Why are you concerned about those routines?  The problem most likely 
lies in your slave devices -- they don't recover properly from a sudden 
power loss.  You should try unplugging the slave, waiting a few 
seconds, and then plugging it back in again.

Alan Stern

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