From: Daniel Mack <zonque@gmail.com>
To: George Cherian <george.cherian@ti.com>,
linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org,
linux-omap@vger.kernel.org
Cc: balbi@ti.com, gregkh@linuxfoundation.org
Subject: Re: [PATCH v3 0/5] Add support for SW babble Control
Date: Tue, 13 May 2014 15:30:36 +0200 [thread overview]
Message-ID: <53721E7C.3090406@gmail.com> (raw)
In-Reply-To: <53721D24.4090704@ti.com>
On 05/13/2014 03:24 PM, George Cherian wrote:
> Basically, there are 2 types of babble conditions.
> 1) Transient babble condition - which could be recovered from without an
> IP reset .
> 2) Babble condition - which could be recovered from only by doing an IP
> reset.
Ok, thanks for the explanation.
> Looks like you are always hitting case 2 (Most times am also hitting the
> same).
Seems like, yes.
> There is no 100% reliable method to force it to happen. Following is
> my setup ,
> I have a HUB with 4 devices connected , which gives me a Babble interrupt
> on both connects and disconnects ( Not always though).
I also get them at disconnects, but only with one specific USB device.
But as I don't ever see case 1) above, I can't say if your approach
works. What I can say, though, is that your patches don't break the
recovery from babble conditions that I experienced :)
Daniel
next prev parent reply other threads:[~2014-05-13 13:30 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-13 8:31 [PATCH v3 0/5] Add support for SW babble Control George Cherian
2014-05-13 8:31 ` George Cherian
2014-05-13 8:31 ` [PATCH v3 1/5] usb: musb: core: Convert babble recover work to delayed work George Cherian
2014-05-13 8:31 ` George Cherian
2014-05-13 8:31 ` [PATCH v3 2/5] usb: musb: dsps: Call usb_phy(_shutdown/_init) during musb_platform_reset() George Cherian
2014-05-13 8:31 ` George Cherian
2014-05-13 8:31 ` [PATCH v3 3/5] usb: musb: core: Convert the musb_platform_reset to have a return value George Cherian
2014-05-13 8:31 ` George Cherian
2014-05-13 8:31 ` [PATCH v3 4/5] usb: musb: dsps: Add the sw_babble_control() George Cherian
2014-05-13 8:31 ` George Cherian
2014-05-13 8:31 ` [PATCH v3 5/5] usb: musb: dsps: Enable sw babble control for newer silicon George Cherian
2014-05-13 8:31 ` George Cherian
2014-05-13 9:46 ` [PATCH v3 0/5] Add support for SW babble Control Daniel Mack
2014-05-13 11:57 ` George Cherian
2014-05-13 11:57 ` George Cherian
2014-05-13 12:20 ` Daniel Mack
2014-05-13 12:57 ` George Cherian
2014-05-13 12:57 ` George Cherian
2014-05-13 13:14 ` Daniel Mack
2014-05-13 13:24 ` George Cherian
2014-05-13 13:24 ` George Cherian
2014-05-13 13:30 ` Daniel Mack [this message]
2014-05-13 18:37 ` Bin Liu
2014-05-14 5:37 ` George Cherian
2014-05-14 5:37 ` George Cherian
2014-05-14 14:34 ` Bin Liu
2014-05-14 16:43 ` Bin Liu
2014-05-15 6:28 ` George Cherian
2014-05-15 6:28 ` George Cherian
2014-05-15 15:19 ` Bin Liu
2014-05-19 8:40 ` George Cherian
2014-05-19 8:40 ` George Cherian
2014-05-19 13:53 ` Bin Liu
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