From: Felipe Balbi <felipe.balbi@nokia.com>
To: ext David Brownell <david-b@pacbell.net>
Cc: "Balbi Felipe (Nokia-D/Helsinki)" <felipe.balbi@nokia.com>,
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 20:50:26 +0200 [thread overview]
Message-ID: <20100126185026.GB20049@nokia.com> (raw)
In-Reply-To: <201001260721.29275.david-b@pacbell.net>
On Tue, Jan 26, 2010 at 04:21:28PM +0100, ext David Brownell wrote:
>On Tuesday 26 January 2010, Felipe Balbi wrote:
>> >
>> >Thing is, supplying current is a bit more involved. If the
>> >board can't supply 300 mA, the USB configuration selection
>> >mechanism has to know that, so it never selects peripheral
>> >configurations which require that much current.
>>
>> but that's done already by the usb core, no ? It rules out configuration
>> based on the hub->power_budget (can't remember if the field is that
>> exact name).
>
>Yes, it handles that ... but where does the power budget
>come from? That's what I meant by "more involved".
we set it from board-files (on ARM, at least). It's a board
characteristic, no ?
>As in, the host/supplying side of the power equation can't
>be event driven like the peripheral/consuming side can.
>
>And that's another reason I think it's best to fully solve
>the common (peripheral, recharge-that-batter) case first.
fair enough.
--
balbi
next prev parent reply other threads:[~2010-01-26 18:50 UTC|newest]
Thread overview: 101+ 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
[not found] ` <6ed0b2680912101251jeec28e6i216dfc51caab13aa-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
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 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
[not found] ` <1260531086-23857-5-git-send-email-felipe.balbi-xNZwKgViW5gAvxtiuMwx3w@public.gmane.org>
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 11:31 ` [RFC/PATCH 1/5] usb: otg: add notifier support Felipe Balbi
[not found] ` <1260531086-23857-2-git-send-email-felipe.balbi-xNZwKgViW5gAvxtiuMwx3w@public.gmane.org>
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
[not found] ` <201001261524.49661.oliver-GvhC2dPhHPQdnm+yROfE0A@public.gmane.org>
2010-01-26 14:30 ` Felipe Balbi
2010-01-26 14:30 ` Felipe Balbi
2010-01-26 15:16 ` David Brownell
2010-01-26 15:21 ` David Brownell
2010-01-26 18:50 ` Felipe Balbi [this message]
[not found] ` <201001260535.21689.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
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
[not found] ` <20100126141935.GG10690-xNZwKgViW5gAvxtiuMwx3w@public.gmane.org>
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
[not found] ` <20100126190934.GC20049-xNZwKgViW5gAvxtiuMwx3w@public.gmane.org>
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
[not found] ` <1260531086-23857-3-git-send-email-felipe.balbi-xNZwKgViW5gAvxtiuMwx3w@public.gmane.org>
2009-12-11 17:22 ` sai pavan
2009-12-11 17:22 ` sai pavan
[not found] ` <c60a9cb0912110922g10fd0cc7m3b3430731db5ed81-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
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
[not found] ` <1260786654-13294-1-git-send-email-felipe.balbi-xNZwKgViW5gAvxtiuMwx3w@public.gmane.org>
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 3/4] rtc: twl4030: move to request_threaded_irq Felipe Balbi
[not found] ` <20091212183410.GF3092-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2009-12-14 10:30 ` [RFC/PATCH 1/4] input: keyboard: " 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 4/4] usb: otg: " Felipe Balbi
2009-12-14 10:30 ` Felipe Balbi
2009-12-11 11:31 ` [RFC/PATCH 5/5] usb: musb: musb supports otg notifier Felipe Balbi
[not found] ` <1260531086-23857-6-git-send-email-felipe.balbi-xNZwKgViW5gAvxtiuMwx3w@public.gmane.org>
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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