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SubjectRe: [PATCH v3 20/20] arm: mach-pxa: Decrement the power supply's device reference counter
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On pią, 2015-02-06 at 15:59 +0100, Pavel Machek wrote:
> On Fri 2015-02-06 15:43:08, Krzysztof Kozlowski wrote:
> > On pią, 2015-02-06 at 14:49 +0100, Pavel Machek wrote:
> > > On Fri 2015-01-30 15:47:58, Krzysztof Kozlowski wrote:
> > > > Use power_supply_put() to decrement the power supply's device reference
> > > > counter.
> > > >
> > > > Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
> > > > Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
> > > > Reviewed-by: Sebastian Reichel <sre@kernel.org>
> > >
> > > 11,13,20 nothing obviously wrong. But I'm not sure if I studied them
> > > closely enough to warrant an ACK.
> > >
> > > It would be good to get this into kernel -- I seen no bad comments,
> > > and it is not going to improve without merge into mainline.
> >
> > Thanks for looking at patchset. It would be really nice if this could be
> > tested for some time in linux-next. Such testing would help a lot. But I
> > need acks from various maintainers for that.
>
> Actually, you don't. The various maintainers clearly don't care at
> this point. They had enough time. So you select one maintainer you
> want to push this through, and you push it.
>
> Someone may complain, so you'll solve the feedback...

I am thinking also on another way of solving this huge-patch problem:
1. Mark all drivers broken (CONFIG_BROKEN).
2. Introduce change in power_supply_register() API. Broken drivers
will fail to build.
3. Convert broken drivers to new API incrementally (one driver
per patch) marking them also non-broken.

This would be much easier to review but also this would break
build-bisectability for drivers and some platforms using them (like
OLPC, compal-laptop, ACPI).

In case of important platforms (like ACPI) I could do the old-way:
change the driver along with API change.

What do you think about this?


I pushed the patchset here:
https://git.linaro.org/people/marek.szyprowski/linux-srpol.git/shortlog/refs/heads/v3.19-next-power-supply-core-ownership
(actually this is v4: added acks/reviews and minor issue fixed; merge
window has opened so I'll wait with sending this to LKML).


Best regards,
Krzysztof





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