[Gta04-owner] [PATCH 01/13] twl4030_charger: use runtime_pm to keep usb phy active while charging.

Pavel Machek pavel at ucw.cz
Tue Sep 15 13:29:04 CEST 2015


On Thu 2015-07-30 10:11:24, 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.
> 
> Acked-by: Lee Jones <lee.jones at linaro.org>
> Signed-off-by: NeilBrown <neil at brown.name>

Acked-by: Pavel Machek <pavel at ucw.cz>

-- 
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