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Date:   Tue, 10 Jul 2018 18:11:23 +0200
From:   Sebastian Reichel <sre@kernel.org>
To:     Pavel Machek <pavel@ucw.cz>
Cc:     kernel list <linux-kernel@vger.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
        linux-omap@vger.kernel.org, tony@atomide.com, nekit1000@gmail.com,
        mpartap@gmx.net, merlijn@wizzup.org
Subject: Re: Vibrations on Droid 4?
Message-ID: <20180710161123.azym6sbboriuj4yc@earth.universe>
References: <20180709081534.GA6799@amd>
 <20180709214910.tes6u4ivxomd3aja@earth.universe>
 <20180709220211.GA7760@amd>
 <20180710101147.lyu65ro4czvrs2da@earth.universe>
 <20180710133040.GA4391@amd>
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Hi,

On Tue, Jul 10, 2018 at 03:30:40PM +0200, Pavel Machek wrote:
> On Tue 2018-07-10 12:11:47, Sebastian Reichel wrote:
> > On Tue, Jul 10, 2018 at 12:02:11AM +0200, Pavel Machek wrote:
> > > > > Do you have vibrations on d4 working?
> > > > > I believe I have required drivers enabled, but no luck:
> > > > >=20
> > > > > user@devuan:/sys/bus/platform/drivers$ ls pwm-vibrator/
> > > > > bind  uevent  unbind
> > > > > user@devuan:/sys/bus/platform/drivers$ ls omap-dmtimer-pwm/
> > > > > bind  uevent  unbind
> > > >=20
> > > > Have you checked probe deferrals?
> > >=20
> > > Not really. Is there easier way to do that than adding printks in the
> > > probe function? (I can go through dmesg tommorow).
> >=20
> > Option 1: https://lkml.org/lkml/2018/7/8/63
>=20
> I tried this methodq, and no luck.
>=20
> static int pwm_omap_dmtimer_probe(struct platform_device *pdev)
>=20
> does not seem to be called.
>=20
> Its parent is gpio@4805d000 , and that one seems to be present.
>=20
> user@devuan:/sys/bus/platform/devices$ ls 4805d000.gpio
> driver				       driver_override  gpio
> gpiochip5  modalias  of_node  power  subsystem  uevent

Sorry, something went wrong with merging this. The parent
of ti,omap-dmtimer-pwm and pwm-vibrator should be / and
not gpio6.

-- Sebastian

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