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From: Ravi Chandra Sadineni <ravisadineni@chromium.org>
To: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>,
	Ravi Chandra Sadineni <ravisadineni@google.com>,
	Todd Broch <tbroch@google.com>,
	linux-kernel@vger.kernel.org, linux-input@vger.kernel.org,
	linux-samsung-soc@vger.kernel.org
Subject: Re: [PATCH] Input: cros_ec_keyb: Remove check before calling pm_wakeup_event.
Date: Tue, 7 Aug 2018 14:59:41 -0700
Message-ID: <CAEZbON5vMOiYRsnN1MyuSov3URByeAp-z3EEsEH6tqY23U32wQ@mail.gmail.com> (raw)
In-Reply-To: <CAEZbON72eVUCNT3ePEZKrB5B6+6YYgO7=X0TY0eBqUb3ws0sLA@mail.gmail.com>

hi Merek,

I tried booting a snow device and could not get it to boot it to the
console. I assume i don't have right kernel config. Can you share your
config if possible.

Thanks,
RaviOn Mon, Aug 6, 2018 at 4:05 PM Ravi Chandra Sadineni
<ravisadineni@chromium.org> wrote:
>
> Hi Merek,
>
> Thanks for the info. Lemme understand what's going on. Will update the
> thread once I have more info.
>
> Thanks,
> Ravi
> On Mon, Aug 6, 2018 at 12:15 AM Marek Szyprowski
> <m.szyprowski@samsung.com> wrote:
> >
> > Hi Dmitry
> >
> > On 2018-08-06 08:16, Dmitry Torokhov wrote:
> > > On Sun, Aug 5, 2018 at 10:29 PM Marek Szyprowski
> > > <m.szyprowski@samsung.com> wrote:
> > >> Hi Ravi,
> > >>
> > >> On 2018-08-03 18:53, Ravi Chandra Sadineni wrote:
> > >>> Understood. I am trying to reproduce this issue locally. Wanted to
> > >>> know the version of the kernel so I can give a try. Marek, can you
> > >>> please confirm the kernel version.
> > >>>
> > >> Yes, sorry for the missing context, I was in hurry writing the report and
> > >> I wanted to send it before leaving the office. I'm testing mainline on Snow
> > >> with exynos_defconfig.
> > >>
> > >> Suspend/resume is partially broken already with mainline, but if you disable
> > >> CPUfreq support, it works fine on Linux v4.17.
> > >>
> > >> I've posted CPUfreq related fixes here if you are interested:
> > >> https://patchwork.kernel.org/patch/10554607/
> > >> https://patchwork.kernel.org/patch/10554603/
> > >>
> > >> The issue with cros_ec_keyb patch appears first on Linux v4.18-rc1, which is
> > >> the first release with that patch.
> > > Marek, this patch should only be in -next, I do not believe I sent it
> > > to Linus just yet. If mainline is broken for you it can't be caused by
> > > this patch.
> >
> > Aaahh. My fault then. The suspend/resume issue is cause by commit
> > 38ba34a43dbc ("Input: cros_ec_keyb - mark cros_ec_keyb driver as wake
> > enabled device."), which has been merged to v4.18-rc1.
> >
> > It looks that I've downloaded wrong patch from the patchwork to reply it
> > with a a bug report. :( I'm really sorry for the noise in the wrong thread.
> >
> > Ravi: please let me know how can I help you to debug this issue.
> >
> > >
> > >> Linux -next from 20180803, which has a few
> > >> more patches for cros_ec_keyb suffers from the same issue.
> > > Just to confirm, if you revert only this patch from -next you get
> > > suspend/resume back?
> > >
> > > Thanks.
> >
> > Best regards
> > --
> > Marek Szyprowski, PhD
> > Samsung R&D Institute Poland
> >

  reply index

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-05 22:44 Ravi Chandra Sadineni
2018-06-12 23:32 ` Dmitry Torokhov
     [not found] ` <CGME20180803072628eucas1p26abe0cb121b974401759502f8807bb96@eucas1p2.samsung.com>
2018-08-03  7:26   ` Marek Szyprowski
     [not found]     ` <CAEZbON7qLheHFuU6zwArCz=CG03JvnFjcehBGjE4RqROYrMLhQ@mail.gmail.com>
2018-08-03 16:07       ` Dmitry Torokhov
     [not found]         ` <CAEZbON4O0X8Fo6eAbmPOSiB1_Tw7x+Ox3ROoGfZQn72uQGQLkg@mail.gmail.com>
2018-08-06  5:29           ` Marek Szyprowski
2018-08-06  6:16             ` Dmitry Torokhov
2018-08-06  7:15               ` Marek Szyprowski
2018-08-06 23:05                 ` Ravi Chandra Sadineni
2018-08-07 21:59                   ` Ravi Chandra Sadineni [this message]
2018-08-08  5:03                     ` Marek Szyprowski
     [not found]                     ` <85a59afc-9dc0-b9fb-7e8f-32731337884c@samsung.com>
2018-08-10  8:23                       ` Marek Szyprowski
2018-08-17 21:21                         ` RaviChandra Sadineni
2018-08-20  8:52                           ` Marek Szyprowski

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