linux-kernel - Re: [PATCH v8 1/4] power: supply: core: add quick charge type property

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Message-ID: <CAPtXDt0yW7Kh6a9JGfXaha_wKVjae7U74m6K=631Ofh8_m4uvg@mail.gmail.com>
Date:   Mon, 24 Aug 2020 16:42:06 +0800
From:   Qiwu Huang <yanziily@...il.com>
To:     Greg KH <gregkh@...uxfoundation.org>
Cc:     Sebastian Reichel <sre@...nel.org>, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org, Qiwu Huang <huangqiwu@...omi.com>
Subject: Re: [PATCH v8 1/4] power: supply: core: add quick charge type property

On Mon, Aug 24, 2020 at 3:43 PM Greg KH <gregkh@...uxfoundation.org> wrote:
>
> On Mon, Aug 24, 2020 at 08:54:56AM +0800, Qiwu Huang wrote:
> > On Tue, Aug 18, 2020 at 2:07 PM Greg KH <gregkh@...uxfoundation.org> wrote:
> > >
> > > On Tue, Aug 18, 2020 at 09:56:28AM +0800, Qiwu Huang wrote:
> > > > On Fri, Aug 14, 2020 at 2:09 PM Greg KH <gregkh@...uxfoundation.org> wrote:
> > > > >
> > > > > On Fri, Aug 14, 2020 at 11:46:54AM +0800, Qiwu Huang wrote:
> > > > > > From: Qiwu Huang <huangqiwu@...omi.com>
> > > > > >
> > > > > > Reports the kind of quick charge type based on
> > > > > > different adapter power.
> > > > > >
> > > > > > Signed-off-by: Qiwu Huang <huangqiwu@...omi.com>
> > > > > > ---
> > > > > >  Documentation/ABI/testing/sysfs-class-power | 21 +++++++++
> > > > > >  drivers/power/supply/power_supply_sysfs.c   |  1 +
> > > > > >  drivers/power/supply/qcom_smbb.c            | 51 +++++++++++++++++++++
> > > > > >  include/linux/power_supply.h                | 14 ++++++
> > > > > >  4 files changed, 87 insertions(+)
> > > > >
> > > > > You should also submit your driver that uses these new attributes at the
> > > > > same time.  What happened to that request?  Otherwise no one really
> > > > > knows how these are being used, or if they even are used by anyone.
> > > > >
> > > >
> > > > I don't think I can submit the whole driver because our drivers are
> > > > divided into three parts, the first part is in ADSP, the second part
> > > > is in kernel and the third part is in Android Hal.This is the second
> > > > part.
> > >
> > > WHat is "ADSP"?
> >
> > ADSP: advanced digital signal processor
>
> Ok, then just send the kernel driver.
>
> > > Just submit your kernel driver code, that's all we care about here.
> > > Userspace code is not anything we can do anything with :)
> >
> > If we ported the full driver, we would break the existing driver
> > structure because we would introduce more Qualcomm code. I think
> > that's an unreasonable change.
>
> That doesn't make much sense.  You have a working driver for these apis,
> just submit it for inclusion, it should never break any existing
> drivers, otherwise your code wouldn't work either.

We're an Android device, we're working on a Qualcomm based code, and
from the current code tree, the current code tree is missing the QTI
Charger code

>
> thanks,
>
> greg k-h



-- 
Thanks

Qiwu