Re: USB suspend resume issue on Vybrid (Chipidea IP/MXS PHY)

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On 15-08-24 11:22:17, Felipe Balbi wrote:
> Hi,
> 
> On Mon, Aug 24, 2015 at 09:40:04PM +0530, Sanchayan Maity wrote:
> > Hello,
> > 
> > I am working on Freescale Vybrid which is a Cortex A5 based SoC,
> > with a Chipidea based USB controller and a Sigmatel Phy or some-
> > thing if my memory serves me right. We are currently in the process
> > of implementing suspend resume and fixing related issues. After
> > resume the USB PHY does not come up and the USB subsytem prints
> > 
> > [129.570097] usb 1-1: USB disconnect, device number 2
> > 
> > which comes from the core code in hub.c.
> > 
> > I am using the 4.1.5 kernel with some of our own patches especially
> > with regards to suspend resume being present only in our own tree.
> 
> I think you need to send that code if you want to get any help, but in
> any case, check if by the time you call usb_phy_suspend(phy, 0) (from
> CI's resume), mxs ->resume() method has already been called.

Thats in order

ci_controller_suspend
mxs_phy_suspend

Checked with both printks and initcall_debug.

- Sanchayan.

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