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From: NeilBrown <neilb@suse.de>
To: Lee Jones <lee.jones@linaro.org>
Cc: Samuel Ortiz <sameo@linux.intel.com>,
	Tony Lindgren <tony@atomide.com>,
	Sebastian Reichel <sre@kernel.org>,
	Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>,
	David Woodhouse <dwmw2@infradead.org>,
	GTA04 owners <gta04-owner@goldelico.com>,
	linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-pm@vger.kernel.org
Subject: Re: [PATCH 04/15] twl4030_charger: use runtime_pm to keep usb phy active while charging.
Date: Thu, 5 Mar 2015 16:48:18 +1100	[thread overview]
Message-ID: <20150305164818.53d7c318@notabene.brown> (raw)
In-Reply-To: <20150225072443.GG21323@x1>

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On Wed, 25 Feb 2015 07:24:43 +0000 Lee Jones <lee.jones@linaro.org> wrote:

> On Tue, 24 Feb 2015, NeilBrown wrote:
> 
> > The twl4030 usb phy needs to be active while we are using
> > the USB VBUS as a current source for charging.
> > In particular, the usb3v1 regulator must be enabled and the
> > PHY_PWR_PHYPWD bit must be set to keep the phy powered.
> > 
> > commit ab37813f4093a5f59cb8e083cde277289dc72ed3
> >     twl4030_charger: Allow charger to control the regulator that feeds it
> > 
> > Gave the charger control over the regulator, but didn't resolve
> > the PHY_PWR_PHYPWD issue.
> > 
> > Now that both of these are controlled by runtime_pm in
> > phy-twl4030-usb, we can simply take a runtime_pm reference to the USB
> > phy whenever the charger wants to use it as a current source.
> > 
> > So this patch reverts the above commit, and adds the necessary
> > runtime_pm calls.
> > 
> > Signed-off-by: NeilBrown <neilb@suse.de>
> > ---
> >  drivers/mfd/twl-core.c          |    9 ++++-----
> 
> Acked-by: Lee Jones <lee.jones@linaro.org>

Thanks.
I guess that clear it to go in though the 'power supply' tree.

NeilBrown

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  reply	other threads:[~2015-03-05  5:48 UTC|newest]

Thread overview: 56+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-24  4:33 [PATCH 00/15] Enhance twl4030_charger functionality NeilBrown
2015-02-24  4:33 ` [PATCH 03/15] twl4030_charger: use devres for power_supply_register and kzalloc NeilBrown
2015-03-07 20:25   ` Sebastian Reichel
2015-02-24  4:33 ` [PATCH 02/15] twl4030_charger: use devm_request_threaded_irq NeilBrown
2015-02-24  4:33 ` [PATCH 01/15] power_supply core: support use of devres to register/unregister a power supply NeilBrown
2015-02-26  2:25   ` Sebastian Reichel
2015-02-24  4:33 ` [PATCH 05/15] twl4030_charger: trust phy to determine when USB power is available NeilBrown
2015-02-24  4:33 ` [PATCH 06/15] twl4030_charger: split uA calculation into a function NeilBrown
2015-03-02 21:05   ` Pavel Machek
2015-03-04  9:20     ` NeilBrown
2015-02-24  4:33 ` [PATCH 04/15] twl4030_charger: use runtime_pm to keep usb phy active while charging NeilBrown
2015-02-25  7:24   ` Lee Jones
2015-03-05  5:48     ` NeilBrown [this message]
2015-02-24  4:33 ` [PATCH 07/15] twl4030_charger: allow fine control of charger current NeilBrown
2015-03-02 21:05   ` Pavel Machek
2015-03-04  6:47     ` NeilBrown
2015-03-04 10:24       ` Pavel Machek
2015-03-07 20:32         ` Sebastian Reichel
2015-02-24  4:33 ` [PATCH 08/15] twl4030_charger: distinguish between USB current and 'AC' current NeilBrown
2015-03-02 21:05   ` Pavel Machek
2015-03-04  6:53     ` NeilBrown
2015-02-24  4:33 ` [PATCH 12/15] twl4030_charger: add software controlled linear charging mode NeilBrown
2015-03-02 21:09   ` Pavel Machek
2015-03-05  6:33     ` NeilBrown
2015-03-06 21:24       ` twl4030_charger: need changes to get probed? Pavel Machek
2015-03-06 21:57         ` Pali Rohár
2015-03-06 22:12           ` Grazvydas Ignotas
2015-03-06 22:40             ` Pavel Machek
2015-03-06 22:56               ` Pali Rohár
2015-03-07 15:56                 ` Grazvydas Ignotas
2015-03-07 16:43                   ` Pali Rohár
2015-04-26 10:13                   ` Pavel Machek
2015-03-07 21:01         ` Sebastian Reichel
2015-03-09  0:06           ` NeilBrown
2015-03-09 11:14             ` Sebastian Reichel
2015-02-24  4:33 ` [PATCH 09/15] twl4030_charger: allow max_current to be managed via sysfs NeilBrown
2015-03-02 21:05   ` Pavel Machek
2015-03-05  6:26     ` NeilBrown
2015-03-05  8:17       ` Pavel Machek
2015-03-07 20:37       ` Sebastian Reichel
2015-02-24  4:33 ` [PATCH 11/15] twl4030_charger: enable manual enable/disable of usb charging NeilBrown
2015-03-02 21:03   ` Pavel Machek
2015-03-04  6:15     ` NeilBrown
2015-03-04 10:19       ` Pavel Machek
2015-02-24  4:33 ` [PATCH 10/15] twl4030_charger: only draw USB current as negotiated with host NeilBrown
2015-03-02 21:05   ` Pavel Machek
2015-02-24  4:33 ` [PATCH 14/15] twl4030_charger: Increase current carefully while watching voltage NeilBrown
2015-03-02 21:29   ` Pavel Machek
2015-03-05  6:51     ` NeilBrown
2015-02-24  4:33 ` [PATCH 13/15] twl4030_charger: add ac/mode to match usb/mode NeilBrown
2015-03-02 21:13   ` Pavel Machek
2015-03-06 21:59   ` Grazvydas Ignotas
2015-03-22 23:13     ` NeilBrown
2015-02-24  4:33 ` [PATCH 15/15] twl4030_charger: assume a 'charger' can supply maximum current NeilBrown
2015-03-02 21:29   ` Pavel Machek
2015-03-05  6:45     ` NeilBrown

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