From: Felipe Balbi <balbi-l0cyMroinI0@public.gmane.org>
To: Paul Bolle <pebolle-IWqWACnzNjzz+pZb47iToQ@public.gmane.org>
Cc: balbi-l0cyMroinI0@public.gmane.org,
Pawel Moll <pawel.moll-5wv7dgnIgG8@public.gmane.org>,
Sneeker Yeh <sneeker.yeh-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
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Yoshihiro Shimoda
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devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-usb-fy+rA21nqHI@public.gmane.org
Subject: Re: [PATCH 3/3] usb: dwc3: add a quirk for device disconnection issue in Synopsis dwc3 core
Date: Mon, 12 Jan 2015 11:50:47 -0600 [thread overview]
Message-ID: <20150112175047.GE6525@saruman> (raw)
In-Reply-To: <1421083783.22660.69.camel@x220>
[-- Attachment #1: Type: text/plain, Size: 1117 bytes --]
On Mon, Jan 12, 2015 at 06:29:43PM +0100, Paul Bolle wrote:
> On Mon, 2015-01-12 at 11:20 -0600, Felipe Balbi wrote:
> > On Sun, Jan 11, 2015 at 11:19:55PM +0800, Sneeker Yeh wrote:
> > > in case i express unclearly i also put a pdf:
> > > https://drive.google.com/file/d/0B18MmcvvKjNNbDF6eEdHSzZCazA/view
> > >
> > > This issue is defined by a two-way race at disconnect, between
> > > 1) class driver interrupt endpoint resheduling attempts if the ISR gave an
> > > ep error event due to device detach (it would try 3 times)
> > > 2) Disconnect interrupt on PORTSC_CSC, which is cleared by hub thread
> > > asynchronously
> > > 3) The hardware IP was configured in silicon with
> > > - DWC_USB3_SUSPEND_ON_DISCONNECT_EN=1 (this is an IP configuration
> >
> > yeah, aparently this is another configuration which is not exposed on
> > HWPARAMS registers. Paul, can you confirm for us ? I couldn't find it on
> > Databook on any of the HWPARAMS registers.
>
> I guess you meant to ask Pawel, because I know nothing at all about all
> that!
No, it was Paul Zimmerman :-)
--
balbi
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next prev parent reply other threads:[~2015-01-12 17:50 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-16 2:10 [PATCH 0/3] Add support for Fujitsu USB host controller Sneeker Yeh
2014-12-16 2:10 ` [PATCH 1/3] usb: host: f_usb20ho: add support for Fujitsu ehci/ohci USB 2.0 " Sneeker Yeh
2014-12-16 9:06 ` Arnd Bergmann
2014-12-17 15:33 ` Sneeker.Yeh
[not found] ` <830AC58E49A426478AC39824BC0FA915D8BB402BB7-BxlyW7DJwtfE0yrG4eIIn8GT06e9YD5CS4/B3AGzWvkvtab9mdV7tw@public.gmane.org>
2014-12-17 15:44 ` Arnd Bergmann
2014-12-17 15:46 ` Sneeker.Yeh
2014-12-16 2:10 ` [PATCH 2/3] usb: dwc3: add Fujitsu Specific Glue layer Sneeker Yeh
[not found] ` <1418695828-605-3-git-send-email-Sneeker.Yeh-l16TxrwUIHTQFUHtdCDX3A@public.gmane.org>
2014-12-22 15:59 ` Felipe Balbi
2014-12-28 17:52 ` Sneeker Yeh
2014-12-29 16:14 ` Felipe Balbi
2015-01-04 13:16 ` Sneeker Yeh
2015-01-05 15:52 ` Felipe Balbi
[not found] ` <CAJ1gpc0uniw3F3O9nxTLHp9M2boxrOACYDB=fgruhLOLdqg9yA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-12-30 10:12 ` Arnd Bergmann
2015-01-03 1:21 ` Felipe Balbi
2015-01-05 15:28 ` Arnd Bergmann
2015-01-05 15:50 ` Felipe Balbi
2015-01-04 14:32 ` Sneeker Yeh
2014-12-16 2:10 ` [PATCH 3/3] usb: dwc3: add a quirk for device disconnection issue in Synopsis dwc3 core Sneeker Yeh
2014-12-22 15:37 ` Felipe Balbi
2014-12-29 6:41 ` Sneeker Yeh
2014-12-29 8:07 ` Sneeker Yeh
[not found] ` <CAJ1gpc3-Wjtm54WOhO6RXjZft9BMngzyYC0-S-XnTacV-qKgMg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-12-29 16:06 ` Felipe Balbi
2015-01-04 12:55 ` Sneeker Yeh
[not found] ` <CAJ1gpc0Uu4vS2iA_o_W5NaE_QBWDYFZJio7yKvhpaR5f=qWcGA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-01-05 17:09 ` Felipe Balbi
2015-01-11 15:19 ` Sneeker Yeh
2015-01-12 17:20 ` Felipe Balbi
2015-01-12 17:29 ` Paul Bolle
2015-01-12 17:50 ` Felipe Balbi [this message]
2015-01-14 7:08 ` Sneeker Yeh
2015-01-14 17:02 ` Felipe Balbi
2015-01-17 10:52 ` Sneeker Yeh
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