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From: Andreas Kemnade <andreas-cLv4Z9ELZ06ZuzBka8ofvg@public.gmane.org>
To: linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: Discussions about the Letux Kernel
	<letux-kernel-S0jZdbWzriLCfDggNXIi3w@public.gmane.org>
Subject: power management problems in ehci-omap
Date: Sun, 4 Feb 2018 00:03:48 +0100	[thread overview]
Message-ID: <20180204000335.29812776@kemnade.info> (raw)

Hi,

I booted a 4.15 kernel without udev and loaded modules piece by piece to analyze
pm problems. modprobe ehci-omap increases current by around 35mA and
also rmmod ehci-omap does not let it go down at all.

I expect that removing hardware does the same thing

Also suspend current increases by around 15mA if that module is loaded.
I tested with having everything disabled which is attached to that usb bus.

System was 
GTA04A5 (with dm3730 processor and usb3322 phy)

I know it has worked once, but I do not remember the version.

The kernel config used can be found here:
http://misc.andi.de1.cc/config-4.15.gz

Regards
Andreas
BTW: I am at the FOSDEM, will probably spend a lot of time in the
hw enablement devroom. So maybe ideas could be discussed directly.
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             reply	other threads:[~2018-02-03 23:03 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-03 23:03 Andreas Kemnade [this message]
     [not found] ` <20180204000335.29812776-cLv4Z9ELZ06ZuzBka8ofvg@public.gmane.org>
2018-02-03 23:10   ` power management problems in ehci-omap Michael Nazzareno Trimarchi
     [not found]     ` <CAOf5uw=6RCJBPZd1fCi6+xb23THLRmXcfqsNtiZQeM=oKx0VvQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-02-04  8:38       ` Andreas Kemnade
     [not found]         ` <20180204093831.44322452-cLv4Z9ELZ06ZuzBka8ofvg@public.gmane.org>
2018-02-04  8:43           ` Michael Nazzareno Trimarchi
     [not found]             ` <CAOf5uwnoQtS+PnPO0t7Mf1qP9u_BgLPAX0h4EhiXfY7380QXng-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-02-04 10:50               ` Andreas Kemnade
     [not found]                 ` <20180204115052.2fe3e1db-cLv4Z9ELZ06ZuzBka8ofvg@public.gmane.org>
2018-02-04 10:55                   ` Michael Nazzareno Trimarchi
     [not found]                     ` <CAOf5uwk_CYNBavy=miFEskAOdr9Hpa9jesJbXWRMLAEKseg8vg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-02-04 11:07                       ` H. Nikolaus Schaller
     [not found]                         ` <6A0B83EE-3453-4BC4-8CB0-94EE83E2E1E7-xXXSsgcRVICgSpxsJD1C4w@public.gmane.org>
2018-02-04 11:34                           ` Michael Nazzareno Trimarchi
     [not found]                             ` <CAOf5uwm1iWtn=xqm9LwCgjqBMPt0c-vr24X_Da0NbB0TP1NY5Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-02-04 13:43                               ` H. Nikolaus Schaller
2018-02-05  8:23                       ` Andreas Kemnade
2018-02-06  6:42               ` Andreas Kemnade
2018-02-06 16:04                 ` Tony Lindgren
     [not found]                   ` <20180206160452.GA21573-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
2018-02-06 16:55                     ` Andreas Kemnade
2018-02-06 17:17                       ` Tony Lindgren
     [not found]                         ` <20180206171737.GB21573-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
2018-02-06 18:03                           ` Andreas Kemnade
2018-02-06 18:16                             ` Tony Lindgren
     [not found]                               ` <20180206181623.GC21573-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
2018-02-06 18:40                                 ` Andreas Kemnade
2018-02-07  9:21                                   ` Roger Quadros

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