Am Dienstag, den 24.03.2020, 10:46 +0000 schrieb Qais Yousef: > > I should have stuck to what I know then. I misread the documentation. Hopefully > the attached looks better. I don't see the new debug you added emitted. That is odd. Please try echo "module usbcore +mfp" > /sys/kernel/debug/dynamic_debug/control with the attached improved patch. Regards Oliver
From 89b420f4b6fd41e8901267ee698ac9e5d498f8db Mon Sep 17 00:00:00 2001 From: Oliver Neukum <oneukum@xxxxxxxx> Date: Mon, 23 Mar 2020 16:34:35 +0100 Subject: [PATCH 1/2] usb: hub additional debugging --- drivers/usb/core/hub.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 54cd8ef795ec..12ce2fdc4c2a 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -1629,6 +1629,7 @@ static int hub_configure(struct usb_hub *hub, ret = -ENOMEM; goto fail; } + dev_dbg(hub_dev, "%p URB allocated \n", hub->urb); usb_fill_int_urb(hub->urb, hdev, pipe, *hub->buffer, maxp, hub_irq, hub, endpoint->bInterval); -- 2.16.4
