From: Bin Liu <b-liu-l0cyMroinI0@public.gmane.org>
To: Tony Lindgren <tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
Cc: Peter Ujfalusi <peter.ujfalusi-l0cyMroinI0@public.gmane.org>,
linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Linux OMAP List
<linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: usb: musb: regression since 4.9 on omap4-panda-es (caused by d8e5f0eca1e8)
Date: Fri, 7 Apr 2017 09:18:18 -0500 [thread overview]
Message-ID: <20170407141818.GA9286@uda0271908> (raw)
In-Reply-To: <20170407135252.GG13234-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
On Fri, Apr 07, 2017 at 06:52:53AM -0700, Tony Lindgren wrote:
> * Bin Liu <b-liu-l0cyMroinI0@public.gmane.org> [170406 12:09]:
> > On Wed, Apr 05, 2017 at 08:29:55AM -0700, Tony Lindgren wrote:
> > > If the the port is configured as OTG, we should not need to
> > > try to force any states during init. The change below will stop
> >
> > True, but the code has been there for a very long time, any idea what
> > causes the regression?
>
> I think it's just that with commit d8e5f0eca1e8 we now have phy enabled
> earlier and calling musb_host_setup() with phy enabled sends it into
> a loop of trying to force the host mode with nothing connected. This
> loops seems to end after few seconds if there are devices connected,
> but keeps going if there's nothing connected.
Fair enough. Thanks.
-Bin.
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prev parent reply other threads:[~2017-04-07 14:18 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-04 7:09 usb: musb: regression since 4.9 on omap4-panda-es (caused by d8e5f0eca1e8) Peter Ujfalusi
[not found] ` <2bf73b02-6e59-627a-c370-552ed94e7795-l0cyMroinI0@public.gmane.org>
2017-04-04 12:27 ` Bin Liu
2017-04-04 14:03 ` Tony Lindgren
[not found] ` <20170404140341.GO10760-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
2017-04-05 0:36 ` Tony Lindgren
[not found] ` <20170405003637.GB13234-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
2017-04-05 7:13 ` Peter Ujfalusi
[not found] ` <dda7b6b0-b533-dfd6-1b12-b320bd69b623-l0cyMroinI0@public.gmane.org>
2017-04-05 7:29 ` Peter Ujfalusi
2017-04-05 13:46 ` Tony Lindgren
[not found] ` <20170405134655.GD13234-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
2017-04-05 15:29 ` Tony Lindgren
[not found] ` <20170405152954.GF13234-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
2017-04-06 17:04 ` Peter Ujfalusi
[not found] ` <a86b6582-468f-04c8-cb22-0770f1e91e67-l0cyMroinI0@public.gmane.org>
2017-04-07 14:00 ` Tony Lindgren
2017-04-06 19:07 ` Bin Liu
2017-04-07 13:52 ` Tony Lindgren
[not found] ` <20170407135252.GG13234-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
2017-04-07 14:18 ` Bin Liu [this message]
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