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From: Tony Lindgren <tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
To: Felipe Balbi <balbi-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: Bin Liu <b-liu-l0cyMroinI0@public.gmane.org>,
	linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH 02/10] usb: musb: Fix idling after host mode by increasing autosuspend delay
Date: Mon, 9 May 2016 12:57:24 -0700	[thread overview]
Message-ID: <20160509195724.GL5995@atomide.com> (raw)
In-Reply-To: <87k2j7it0f.fsf-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>

* Felipe Balbi <balbi-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> [160505 23:49]:
> 
> Hi,
> 
> Bin Liu <b-liu-l0cyMroinI0@public.gmane.org> writes:
> >> Does the current 200 ms autosuspend timeout relate to anything real
> >> other than what I found out with my measurements?
> >
> > Not sure, I didn't checkk where the 200ms comes from.
> 
> It was an arbitrary number from when runtime PM was first added by
> Hema. I don't think it has any esoteric meaning ;-)

OK thanks for clarifying that. I'll add a comment for the 500 ms
value in the patch so we will remember why it is set.

Tony


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  parent reply	other threads:[~2016-05-09 19:57 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-28 17:33 [PATCH 00/10] Get MUSB PM runtime working again Tony Lindgren
     [not found] ` <1461864800-29979-1-git-send-email-tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
2016-04-28 17:33   ` [PATCH 01/10] usb: phy: Fix initial state for twl6030 Tony Lindgren
2016-04-28 17:33   ` [PATCH 02/10] usb: musb: Fix idling after host mode by increasing autosuspend delay Tony Lindgren
     [not found]     ` <1461864800-29979-3-git-send-email-tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
2016-05-05 15:02       ` Bin Liu
2016-05-05 17:04         ` Tony Lindgren
     [not found]           ` <20160505170439.GX5995-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
2016-05-05 17:47             ` Bin Liu
2016-05-06  6:45               ` Felipe Balbi
     [not found]                 ` <87k2j7it0f.fsf-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2016-05-09 19:57                   ` Tony Lindgren [this message]
2016-04-28 17:33   ` [PATCH 03/10] usb: musb: Fix PM runtime handling for connected cable Tony Lindgren
     [not found]     ` <1461864800-29979-4-git-send-email-tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
2016-04-28 17:53       ` Sergei Shtylyov
     [not found]         ` <57224E1F.7040707-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>
2016-04-28 18:07           ` Tony Lindgren
     [not found]             ` <20160428180741.GF5995-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
2016-04-29 15:52               ` Tony Lindgren
2016-04-28 17:33   ` [PATCH 04/10] usb: musb: Remove unnecessary shutdown function Tony Lindgren
     [not found]     ` <1461864800-29979-5-git-send-email-tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
2016-05-05 19:20       ` Bin Liu
2016-05-05 19:28         ` Tony Lindgren
     [not found]           ` <20160505192852.GD5995-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
2016-05-05 19:49             ` Bin Liu
2016-04-28 17:33   ` [PATCH 05/10] usb: musb: Fix PM runtime autosuspend Tony Lindgren
2016-04-28 17:33   ` [PATCH 06/10] usb: musb: Split PM runtime between wrapper IP and musb core Tony Lindgren
2016-04-28 17:33   ` [PATCH 07/10] usb: musb: Manage USB phy from PM runtime calls Tony Lindgren
2016-04-28 17:33   ` [PATCH 08/10] usb: musb: Remove try_idle for 2430 glue layer Tony Lindgren
2016-04-28 17:33   ` [PATCH 09/10] usb: musb: Fix PM runtime with delayed work Tony Lindgren
2016-04-28 17:33   ` [PATCH 10/10] usb: musb: Remove pm_runtime_set_irq_safe Tony Lindgren
2016-05-01  6:33   ` [PATCH 00/10] Get MUSB PM runtime working again Ivaylo Dimitrov
     [not found]     ` <5725A31D.8020508-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2016-05-03 16:25       ` Tony Lindgren
     [not found]         ` <20160503162528.GM5995-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
2016-05-03 17:43           ` Ivaylo Dimitrov
     [not found]             ` <5728E334.3090000-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2016-05-11 23:03               ` Tony Lindgren

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