[Letux-kernel] [PATCH RESEND 1/3 v4] drivers:power:twl4030-charger: don't check if battery is present

Sebastian Reichel sebastian.reichel at collabora.co.uk
Mon May 1 13:26:31 CEST 2017


On Fri, Apr 14, 2017 at 09:29:38PM +0200, H. Nikolaus Schaller wrote:
> We can't assume that the battery is or stays present after probing
> on devices with replaceable battery.
> On some devices (e.g. GTA04 or OpenPanodra) it can be removed
> and even be hot swapped by the user while device continues to operate
> through external AC or USB power (as long as system power consumption
> remains below ca. 500mA as provided by USB). Under certain conditions
> it is possible to boot without battery.
> So it makes no sense to check for this situation during probe and make
> the charger driver (and its status reports) completely non-operational if
> the battery can be inserted later.
> Tested on: GTA04 and OpenPandora.
> Signed-off-by: H. Nikolaus Schaller <hns at goldelico.com>

Thanks, queued.

-- Sebastian
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