linux-kernel - Aw: Re: Re: [BUG] [PATCH v5 02/10] mfd: mt6397: extract irq related code from core driver

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Date:   Mon, 30 Sep 2019 21:44:12 +0200
From:   "Frank Wunderlich" <frank-w@...lic-files.de>
To:     "Hsin-hsiung Wang" <hsin-hsiung.wang@...iatek.com>,
        "Lee Jones" <lee.jones@...aro.org>
Cc:     "Matthias Brugger" <matthias.bgg@...il.com>,
        linux-mediatek@...ts.infradead.org,
        "Mark Rutland" <mark.rutland@....com>,
        "Alessandro Zummo" <a.zummo@...ertech.it>,
        "Alexandre Belloni" <alexandre.belloni@...tlin.com>,
        srv_heupstream@...iatek.com, devicetree@...r.kernel.org,
        "Greg Kroah-Hartman" <gregkh@...uxfoundation.org>,
        "Sean Wang" <sean.wang@...iatek.com>,
        "Liam Girdwood" <lgirdwood@...il.com>,
        "Rob Herring" <robh+dt@...nel.org>, linux-kernel@...r.kernel.org,
        "Richard Fontana" <rfontana@...hat.com>,
        "Mark Brown" <broonie@...nel.org>,
        linux-arm-kernel@...ts.infradead.org,
        "René van Dorst" <opensource@...rst.com>,
        "Thomas Gleixner" <tglx@...utronix.de>,
        "Eddie Huang" <eddie.huang@...iatek.com>,
        "Lee Jones" <lee.jones@...aro.org>,
        "Kate Stewart" <kstewart@...uxfoundation.org>,
        linux-rtc@...r.kernel.org
Subject: Aw: Re:  Re: [BUG] [PATCH v5 02/10] mfd: mt6397: extract irq
 related code from core driver

Hi,

bug is still present in 5.4-rc1

dmesg prints this line and at least switch is not inialized on bananapi-r2

mt6397 1000d000.pwrap:mt6323: unsupported chip: 0x0

regards Frank


> Gesendet: Donnerstag, 29. August 2019 um 08:24 Uhr
> Von: "Hsin-hsiung Wang" <hsin-hsiung.wang@...iatek.com>
> An: "Frank Wunderlich" <frank-w@...lic-files.de>, "Matthias Brugger" <matthias.bgg@...il.com>
> Cc: linux-mediatek@...ts.infradead.org, "Mark Rutland" <mark.rutland@....com>, "Alessandro Zummo" <a.zummo@...ertech.it>, "Alexandre Belloni" <alexandre.belloni@...tlin.com>, srv_heupstream@...iatek.com, devicetree@...r.kernel.org, "Greg Kroah-Hartman" <gregkh@...uxfoundation.org>, "Sean Wang" <sean.wang@...iatek.com>, "Liam Girdwood" <lgirdwood@...il.com>, "Rob Herring" <robh+dt@...nel.org>, linux-kernel@...r.kernel.org, "Richard Fontana" <rfontana@...hat.com>, "Mark Brown" <broonie@...nel.org>, linux-arm-kernel@...ts.infradead.org, "René van Dorst" <opensource@...rst.com>, "Thomas Gleixner" <tglx@...utronix.de>, "Eddie Huang" <eddie.huang@...iatek.com>, "Lee Jones" <lee.jones@...aro.org>, "Kate Stewart" <kstewart@...uxfoundation.org>, linux-rtc@...r.kernel.org
> Betreff: Re: Aw: Re: [BUG] [PATCH v5 02/10] mfd: mt6397: extract irq related code from core driver
>
> Hi Frank/Matthias,
> 
> On Fri, 2019-08-23 at 19:16 +0200, Frank Wunderlich wrote:
> > > Gesendet: Freitag, 23. August 2019 um 17:42 Uhr
> > > Von: "Matthias Brugger" <matthias.bgg@...il.com>
> > 
> > > I suppose that's because 3/10 has code that should be in 2/10 and for some
> > > reason 3/10 was not pushed for linux-next inclusion. Although it has the same
> > > Acked-for-mfd-by tag.
> > >
> > > @Frank, can you test if adding 3/10 to your code base fixes the issue?
> > 
> > adding part 3 [1] seems to fix the issue too
> > 
> > [    4.960051] mt6323-regulator mt6323-regulator: Chip ID = 0x2023
> > 
> > thanks
> > 
> > [1] https://patchwork.kernel.org/patch/11110509/
> Thanks for your comments.
> The root cause seems I didn't split the code well.
> I will fix it in the next version.
> 
>