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Date:   Mon, 31 Dec 2018 14:20:13 -0800
From:   Tony Lindgren <tony@atomide.com>
To:     Pavel Machek <pavel@ucw.cz>
Cc:     linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-omap@vger.kernel.org,
        Jarkko Nikula <jarkko.nikula@bitmer.com>,
        Johan Hovold <johan@kernel.org>,
        Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>,
        Marcel Partap <mpartap@gmx.net>,
        Merlijn Wajer <merlijn@wizzup.org>,
        Michael Scott <hashcode0f@gmail.com>,
        NeKit <nekit1000@gmail.com>, omerlle@gmail.com,
        Sebastian Reichel <sre@kernel.org>,
        Peter Ujfalusi <peter.ujfalusi@ti.com>,
        Rob Herring <robh@kernel.org>
Subject: Re: WIP Droid 4 voice calls, GNSS & PM with a TS 27.010 serdev driver
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Hi,

* Tony Lindgren <tony@atomide.com> [181228 22:28]:
> With droid4-pending-mdm-v4.20 branch in the following state:
> 
> - UARTs idled
> - LCD blanked (well no drivers yet droid4-sms-read.rb)
> - MUSB and EHCI USB modules unloaded
> - OHCI loaded with all the children in autosuspend via sysfs
> - WLAN connected
> - busybox acpid stopped (yup, it keeps polling something???)
> - MDM6600 online with AT+CFUN=1 on /dev/motmdm1
> - MDM6600 notifications disabled with AT+SCRN=0 on /motmdm1
> - droid4-sms-read.rb running

So I tracked down what I thought is a busybox acpid issue, I was
wrong. There's nothing wrong with busybox acpid, sorry for
blaming a wrong culprit.

We have acpid keep the device open for
/dev/input/by-path/platform-48072000.i2c-event open, which
seems to keep atmel_mxt_ts and i2c busy.

Things idle fine after I rmmod atmel_mxt_ts after blanking
the screen.

Regards,

Tony