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From: David Brownell <david-b@pacbell.net>
To: felipe.balbi@nokia.com
Cc: ext Oliver Neukum <oliver@neukum.org>,
	Mark Brown <broonie@opensource.wolfsonmicro.com>,
	"linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Anton Vorontsov <avorontsov@ru.mvista.com>,
	Grazvydas Ignotas <notasas@gmail.com>,
	Madhusudhan Chikkature <madhu.cr@ti.com>,
	"linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>,
	"Greg Kroah-Hartman" <gregkh@suse.de>
Subject: Re: [RFC/PATCH 1/5] usb: otg: add notifier support
Date: Tue, 26 Jan 2010 07:16:49 -0800	[thread overview]
Message-ID: <201001260716.49553.david-b@pacbell.net> (raw)
In-Reply-To: <20100126143005.GI10690@nokia.com>

On Tuesday 26 January 2010, Felipe Balbi wrote:
> but when suspended, we have to cut power ASAP. If not enumerated we can 
> still draw power for a few miliseconds due to dead battery provision.

When suspended, it's OK to draw a small amount of power.
On the order of one milliamp, based on the config that's
active ... instead of, often, hundreds.

That limit is why for example a PXA 255 could never get
certified as a bus-powered peripheral.  It required much
more than that when in suspend mode.


  reply	other threads:[~2010-01-26 15:16 UTC|newest]

Thread overview: 102+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-11-27 14:44 [PATCH] power_supply: Add driver for TWL4030/TPS65950 BCI charger Grazvydas Ignotas
2009-11-27 14:44 ` Grazvydas Ignotas
2009-11-27 14:54 ` Anton Vorontsov
2009-11-27 15:47   ` Grazvydas Ignotas
2009-11-27 16:23     ` Mark Brown
2009-11-30 18:45 ` Madhusudhan
2009-11-30 18:45   ` Madhusudhan
2009-11-30 18:58   ` Anton Vorontsov
2009-12-02 20:38     ` Grazvydas Ignotas
2009-12-02 20:38       ` Grazvydas Ignotas
2009-12-02 21:27       ` Anton Vorontsov
2009-12-02 21:27         ` Anton Vorontsov
2009-12-02 21:32         ` Grazvydas Ignotas
2009-11-30 21:33   ` Grazvydas Ignotas
2009-12-02 16:59     ` Madhusudhan
2009-12-02 16:59       ` Madhusudhan
2009-12-02 17:33 ` Felipe Balbi
2009-12-02 20:34   ` Grazvydas Ignotas
2009-12-02 20:49     ` Felipe Balbi
2009-12-02 20:49       ` Felipe Balbi
2009-12-02 21:29       ` Grazvydas Ignotas
2009-12-02 21:29         ` Grazvydas Ignotas
2009-12-02 21:54         ` Anton Vorontsov
2009-12-02 22:31           ` Felipe Balbi
2009-12-02 22:59             ` Anton Vorontsov
2009-12-03  8:39               ` Felipe Balbi
2009-12-03 10:55                 ` Grazvydas Ignotas
2009-12-03 11:03                   ` Felipe Balbi
2009-12-10 14:09                     ` Grazvydas Ignotas
2009-12-10 14:18                       ` Anton Vorontsov
2009-12-10 14:21                         ` Felipe Balbi
2009-12-10 14:44                           ` Anton Vorontsov
2009-12-10 16:51                             ` Felipe Balbi
2009-12-10 20:51                               ` Grazvydas Ignotas
2009-12-11 11:31                                 ` [RFC/PATCH 0/5] usb transceiver notifier Felipe Balbi
2009-12-11 11:31                                   ` Felipe Balbi
2009-12-11 11:31                                 ` [RFC/PATCH 1/5] usb: otg: add notifier support Felipe Balbi
2009-12-11 11:55                                   ` Mark Brown
2009-12-11 11:55                                     ` Mark Brown
2009-12-11 11:58                                     ` Felipe Balbi
2010-01-26 11:16                                   ` David Brownell
2010-01-26 13:11                                     ` Mark Brown
2010-01-26 13:35                                       ` David Brownell
2010-01-26 14:14                                         ` Felipe Balbi
2010-01-26 14:24                                           ` Oliver Neukum
2010-01-26 14:30                                             ` Felipe Balbi
2010-01-26 14:30                                               ` Felipe Balbi
2010-01-26 15:16                                               ` David Brownell [this message]
2010-01-26 15:21                                           ` David Brownell
2010-01-26 18:50                                             ` Felipe Balbi
2010-01-26 14:21                                         ` Mark Brown
2010-01-26 14:21                                           ` Mark Brown
2010-01-26 15:44                                           ` David Brownell
2010-01-26 16:13                                             ` Mark Brown
2010-01-26 14:10                                     ` Felipe Balbi
2010-01-26 14:19                                       ` Felipe Balbi
2010-01-26 15:33                                         ` David Brownell
2010-01-26 15:33                                           ` David Brownell
2010-01-26 15:07                                       ` David Brownell
2010-01-26 15:07                                         ` David Brownell
2010-01-26 19:09                                         ` Felipe Balbi
2010-01-26 19:15                                           ` Felipe Balbi
2010-01-26 19:15                                             ` Felipe Balbi
2009-12-11 11:31                                 ` [RFC/PATCH 2/5] usb: otg: twl4030: add support for notifier Felipe Balbi
2009-12-11 17:22                                   ` sai pavan
2009-12-11 17:22                                     ` sai pavan
2009-12-11 20:40                                     ` Felipe Balbi
2009-12-11 20:40                                       ` Felipe Balbi
2009-12-12 18:34                                       ` Mark Brown
2009-12-14 10:30                                         ` [RFC/PATCH 0/4] twl4030 threaded_irq support Felipe Balbi
2010-01-26  7:06                                           ` David Brownell
2010-01-26  7:06                                             ` David Brownell
2010-01-26  7:36                                             ` David Brownell
2010-01-26  7:36                                               ` David Brownell
2010-01-26 10:07                                             ` Mark Brown
2010-01-26 11:02                                             ` Felipe Balbi
2010-01-26 12:18                                               ` David Brownell
2010-01-26 12:18                                                 ` David Brownell
2009-12-14 10:30                                         ` [RFC/PATCH 1/4] input: keyboard: twl4030: move to request_threaded_irq Felipe Balbi
2009-12-14 10:30                                           ` Felipe Balbi
2009-12-14 10:30                                         ` [RFC/PATCH 2/4] input: misc: " Felipe Balbi
2009-12-14 10:30                                           ` Felipe Balbi
2009-12-14 11:31                                           ` Shilimkar, Santosh
2009-12-14 11:40                                             ` Felipe Balbi
2009-12-14 13:16                                               ` Shilimkar, Santosh
2009-12-14 10:30                                         ` [RFC/PATCH 3/4] rtc: " Felipe Balbi
2009-12-14 10:30                                         ` [RFC/PATCH 4/4] usb: otg: " Felipe Balbi
2009-12-14 10:30                                           ` Felipe Balbi
2009-12-11 11:31                                 ` [RFC/PATCH 3/5] usb: musb: add support for ulpi block Felipe Balbi
2009-12-11 11:31                                   ` Felipe Balbi
2009-12-11 11:31                                 ` [RFC/PATCH 4/5] usb: musb: isp1704: add registers from isp1704 Felipe Balbi
2009-12-11 11:31                                   ` Felipe Balbi
2009-12-11 12:35                                   ` Krogerus Heikki (EXT-Teleca/Helsinki)
2009-12-11 12:35                                     ` Krogerus Heikki (EXT-Teleca/Helsinki)
2009-12-11 12:57                                     ` Felipe Balbi
2009-12-11 12:57                                       ` Felipe Balbi
2009-12-11 11:31                                 ` [RFC/PATCH 5/5] usb: musb: musb supports otg notifier Felipe Balbi
2009-12-11 11:40                                   ` Felipe Balbi
2009-12-11 11:40                                     ` Felipe Balbi
2009-12-30 19:07                             ` [PATCH] power_supply: Add driver for TWL4030/TPS65950 BCI charger Madhusudhan
2009-12-30 19:07                               ` Madhusudhan
2009-12-10 14:19                       ` Felipe Balbi

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