Re: [PATCH 1/2] usb: support suspend_noirq

[Greg Kroah-Hartman]

On Tue, Sep 17, 2019 at 02:27:01PM -0700, Abhishek Pandit-Subedi wrote:
> If we put a usb device into reset in the suspend callback, it will
> disconnect and the resume will not be called. In order to support
> turning off the device on suspend and restoring it on resume, we must do
> the reset action in suspend_noirq.

That's a bit odd given that USB drivers/devices _require_ irqs to be
enabled in order to talk to them and work properly.

So I don't see how this works at all, nor how any USB driver could even
use this.

greg k-h