Re: [PATCH v2] usb: dwc3: update link state on each device level interrupt

[Greg Kroah-Hartman <gregkh@linuxfoundation.org>]

On Fri, Apr 21, 2023 at 10:01:12AM +0800, Linyu Yuan wrote:
> When work in gadget mode, currently driver doesn't update software level
> link_state correctly as link state change event is not enabled for most
> devices, in function dwc3_gadget_suspend_interrupt(), it will only pass
> suspend event to UDC core when software level link state changes, so when
> interrupt generated in sequences of suspend -> reset -> conndone ->
> suspend, link state is not updated during reset and conndone, so second
> suspend interrupt event will not pass to UDC core.
> 
> As in gadget mode, device level interrupt event have link state
> information, let's trust it and update software level link state to it
> when process each device level interrupt.
> 
> Signed-off-by: Linyu Yuan <quic_linyyuan@quicinc.com>
> ---
> v2: update according v1 discussion

That does not describe what changed at all, please say what changed,
otherwise we have to guess, and I'm going to guess "nothing" :)

Please fix up and send a v3.

thanks,

greg k-h