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    SubjectRE: Regression: i.MX6: pinctrl: fsl: add scu based pinctrl support
    Date
    > -----Original Message-----
    > From: Mika Penttilä [mailto:mika.penttila@nextfour.com]
    > Sent: Tuesday, January 15, 2019 1:18 AM
    >
    > Hi!
    >
    > On 14.1.2019 18.58, Fabio Estevam wrote:
    > > Hi Mika,
    > >
    > > On Mon, Jan 14, 2019 at 8:21 AM Mika Penttilä
    > > <mika.penttila@nextfour.com> wrote:
    > >> Hello,
    > >>
    > >>
    > >> The patch titled "pinctrl: fsl: add scu based pinctrl support" causes
    > >> regression on i.MX6. Tested on a custom board based on i.MX6Q and
    > >> sgtl5000 codec, there is no sound, tested with simple wav playing.
    > >>
    > >> Reverting the patch makes audio work again.
    > > Which kernel version do you use?
    > >

    [...]

    > > Please let us know if you still have issues with such commit applied.
    >
    > I am merging mainline and this regression is present in 5.0-rc2 so it should
    > have the mentioned patch applied.
    >
    > Obviously I had to revert them both ("pinctrl: imx: fix NO_PAD_CTL setting for
    > MMIO pads"
    >  and "pinctrl: fsl: add scu based pinctrl support"), and after that it works. Is
    > there something more I could test?
    >

    Any status update?

    Can you please try enable CONFIG_DEBUG_PINCTRL which can help you locate
    the root cause?
    Don't forget to add "DEBUG" in kernel boot param. Or you can use dmesg.

    Regards
    Dong Aisheng

    >
    > --Mika
    >

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