linux-kernel - Re: [PATCH] usb: musb: core: Disable the Interrupts till BABBLE is fully handled

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Date:	Fri, 14 Nov 2014 09:42:20 +0100
From:	Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:	George Cherian <george.cherian@...com>, balbi@...com
CC:	gregkh@...uxfoundation.org, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] usb: musb: core: Disable the Interrupts till BABBLE is
 fully handled

On 11/14/2014 09:24 AM, George Cherian wrote:
> Disable the MUSB interrupts till MUSB is recovered fully from BABBLE
> condition. There are chances that we could get multiple interrupts
> till the time the babble recover work gets scheduled. Sometimes
> this could even end up in an endless loop making MUSB itself unusable.

How do you trigger the babble error? Is this something that happens
during suspend resume, plugging / unplugging a device or randomly while
the device is used?

Sebastian

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