From: Alan Stern <stern@rowland.harvard.edu>
To: Kevin Hilman <khilman@ti.com>
Cc: "Munegowda, Keshava" <keshava_mgowda@ti.com>,
linux-omap@vger.kernel.org, linux-usb@vger.kernel.org,
balbi@ti.com, sameo@linux.intel.com, notasas@gmail.com
Subject: Re: [PATCH] OMAP: USB : Fix the EHCI enumeration and core retention issue
Date: Fri, 22 Jun 2012 10:35:39 -0400 (EDT) [thread overview]
Message-ID: <Pine.LNX.4.44L0.1206221034340.1578-100000@iolanthe.rowland.org> (raw)
In-Reply-To: <87vcij1loh.fsf@ti.com>
On Fri, 22 Jun 2012, Kevin Hilman wrote:
> As I said way back in the beginning this thread. The runtime PM of this
> driver is leaving the device enabled.
>
> To test idle retention, ensure the UART auto-suspend is enable for all
> UARTS:
>
> echo 3000 > /sys/devices/platform/omap_uart.0/power/autosuspend_delay_ms
> echo 3000 > /sys/devices/platform/omap_uart.1/power/autosuspend_delay_ms
> echo 3000 > /sys/devices/platform/omap_uart.2/power/autosuspend_delay_ms
> echo 3000 > /sys/devices/platform/omap_uart.3/power/autosuspend_delay_ms
>
> Then wait > 3 seconds and 'cat /debug/pm_debug/count'.
This is probably a foolish question, but have you checked that the
power/control attribute is set to "auto"?
Alan Stern
next prev parent reply other threads:[~2012-06-22 14:35 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-21 13:42 [PATCH] OMAP: USB : Fix the EHCI enumeration and core retention issue Keshava Munegowda
[not found] ` <1340286132-20634-1-git-send-email-keshava_mgowda-l0cyMroinI0@public.gmane.org>
2012-06-21 13:43 ` Munegowda, Keshava
2012-06-21 19:02 ` Kevin Hilman
[not found] ` <87fw9o32v2.fsf-l0cyMroinI0@public.gmane.org>
2012-06-22 7:30 ` Munegowda, Keshava
[not found] ` <CAP05o4KxWFjCCP05KzQgo4vWLdvOCeT=DWGXvEEnyWkomH1tXA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-06-22 10:30 ` Felipe Balbi
[not found] ` <20120622103050.GG28472-S8G//mZuvNWo5Im9Ml3/Zg@public.gmane.org>
2012-06-22 14:14 ` Kevin Hilman
2012-06-22 15:03 ` Russ Dill
[not found] ` <CA+Bv8XY-_x+Vh+D8sec5tvL9MkOYFKnts1WBp_AsCck2y6QNZg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-06-22 15:11 ` Munegowda, Keshava
[not found] ` <87ehp71liv.fsf-l0cyMroinI0@public.gmane.org>
2012-06-22 20:36 ` Felipe Balbi
2012-06-25 18:35 ` Kevin Hilman
[not found] ` <87d34nfdei.fsf-l0cyMroinI0@public.gmane.org>
2012-07-02 16:54 ` Kevin Hilman
[not found] ` <871uku85o8.fsf-l0cyMroinI0@public.gmane.org>
2012-07-02 17:05 ` Russ Dill
[not found] ` <CA+Bv8XaC64NChdcinrxagRYLZyTG7c05nDYy2EbfH-gfZUxnuw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-07-02 17:55 ` Kevin Hilman
2012-07-02 18:15 ` Samuel Ortiz
2012-07-03 0:14 ` Kevin Hilman
2012-07-03 6:45 ` Munegowda, Keshava
2012-07-03 6:47 ` Munegowda, Keshava
[not found] ` <CAP05o4+hxt6zY0AxK5aNW7a3Hyiw0_krP9=XK_prN5=Uk2SxmA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-07-03 7:22 ` Munegowda, Keshava
2012-07-04 13:33 ` Kevin Hilman
2012-07-05 11:19 ` Samuel Ortiz
2012-07-06 10:00 ` Munegowda, Keshava
[not found] ` <CAP05o4JEx0uSCH+mZzLhoV479A00uUumvYY_-b8dQ9j_5Awumw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-07-06 11:59 ` Munegowda, Keshava
2012-07-11 10:29 ` Samuel Ortiz
2012-07-11 12:53 ` Munegowda, Keshava
2012-07-11 14:23 ` Kevin Hilman
[not found] ` <874npenzq0.fsf-l0cyMroinI0@public.gmane.org>
2012-07-12 6:41 ` Munegowda, Keshava
[not found] ` <CAP05o4+hQh-weQ_hfFMxY-byEijwDF3e-D9U5gwh6yRD7C_=Zw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-07-19 10:17 ` Munegowda, Keshava
2012-06-22 14:11 ` Kevin Hilman
2012-06-22 14:35 ` Alan Stern [this message]
[not found] ` <87vcij1loh.fsf-l0cyMroinI0@public.gmane.org>
2012-06-22 14:43 ` Munegowda, Keshava
2012-06-22 18:49 ` Kevin Hilman
2012-07-23 8:33 ` Roger Quadros
[not found] ` <500D0C42.8030508-l0cyMroinI0@public.gmane.org>
2012-07-23 11:27 ` Munegowda, Keshava
2012-07-19 10:20 ` Felipe Balbi
[not found] ` <20120719102013.GJ14302-S8G//mZuvNWo5Im9Ml3/Zg@public.gmane.org>
2012-07-19 12:02 ` Munegowda, Keshava
2012-07-19 22:54 ` Greg KH
[not found] ` <20120719225405.GB32547-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
2012-07-19 22:55 ` Greg KH
[not found] ` <20120719225523.GC32547-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
2012-07-20 8:06 ` Munegowda, Keshava
2012-07-19 15:15 ` Alan Stern
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