Re: Boot regression on Versatile Express TC2 after commit b2b49ccbdd

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On Fri, 23 Jan 2015, Pawel Moll wrote:

> On Thu, 2015-01-22 at 21:11 +0000, Rafael J. Wysocki wrote:
> > > I'll work on it when I have some spare time.  Of course, it would be 
> > > better if somebody could add the proper wakeup-detect code to the 
> > > isp1760-hcd driver...
> > 
> > Yes, it would.
> 
> Whether it's a hack or no - I don't know, but it makes my board detect
> USB devices again with v3.19-rc5, without any extra kernel parameters:
> 
> 8<---------------
> diff --git a/drivers/usb/host/isp1760-hcd.c b/drivers/usb/host/isp1760-hcd.c
> index 395649f..92a8297 100644
> --- a/drivers/usb/host/isp1760-hcd.c
> +++ b/drivers/usb/host/isp1760-hcd.c
> @@ -2250,7 +2250,6 @@ struct usb_hcd *isp1760_register(phys_addr_t res_start, resource_size_t res_len,
>  	ret = usb_add_hcd(hcd, irq, irqflags);
>  	if (ret)
>  		goto err_unmap;
> -	device_wakeup_enable(hcd->self.controller);
>  
>  	return hcd;
> 8<---------------
> 
> Care to give it a go, Nico?

Doesn't work for me. I still need usbcore.autosuspend=-1 on the kernel 
cmdline for USB to work.


Nicolas
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