linux-kernel - Re: [PATCH v4] power_supply: Add driver for TWL4030/TPS65950 BCI charger

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20100928112643.GC22734@oksana.dev.rtsoft.ru>
Date:	Tue, 28 Sep 2010 15:26:43 +0400
From:	Anton Vorontsov <cbouatmailru@...il.com>
To:	Felipe Balbi <balbi@...com>
Cc:	Grazvydas Ignotas <notasas@...il.com>,
	"linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Chikkature Rajashekar, Madhusudhan" <madhu.cr@...com>,
	Arun Murthy <arunrmurthy.83@...il.com>
Subject: Re: [PATCH v4] power_supply: Add driver for TWL4030/TPS65950 BCI
 charger

On Tue, Sep 28, 2010 at 12:41:22PM +0300, Felipe Balbi wrote:
> On Tue, Sep 28, 2010 at 04:39:17AM -0500, Grazvydas Ignotas wrote:
> >On Tue, Sep 28, 2010 at 12:06 PM, Felipe Balbi <balbi@...com> wrote:
> >>On Tue, Sep 28, 2010 at 04:02:48AM -0500, Grazvydas Ignotas wrote:
> >>>>
> >>>>Charger event is SENT by charger driver when it verifies it's attached
> >>>>to a wall charger.
> >>>
> >>>Isn't that a job for musb/gadget? Detecting D+/D- being shorted by
> >>>charger or something like that? I don't think BCI is able to detect
> >>>charger.
> >>
> >>it's part of the charger detection right ? and according to trm, it's on
> >>the BCI (actually BCC) role to take care of that :-)
> >
> >Hm you are probably talking about TWL5031, which has redesigned
> >charger block that is named BCC. TWL4030 charger is different, called
> >BCI and requires software charger detection from what I see in it's
> >TRM.
> 
> ok, might be that I got confused. Then it's ok the way it is. So we need
> other means to detect the charger :-p

May we consider this as a minor issue that can be improved later?

If so, I would like to apply it, but I'll wait a day or two for
Reviewed-by or Acked-by tags to give the proper credits.

Thanks!

-- 
Anton Vorontsov
email: cbouatmailru@...il.com
irc://irc.freenode.net/bd2
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/