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    SubjectRe: [PATCH 4.1 099/267] phy: twl4030-usb: remove incorrect pm_runtime_get_sync() in probe function.
    From
    Date
    Am 09.08.2015 um 11:00 schrieb NeilBrown:
    > On Sat, 8 Aug 2015 12:18:55 +0530 Kishon Vijay Abraham I
    > <kishon@ti.com> wrote:
    >
    >>
    >>
    >> On Saturday 08 August 2015 11:23 AM, Alexander Holler wrote:
    >>> Hello,
    >>>
    >>> this patch killed the musb-host functionality on my classic Beagleboard (rev
    >>> c4). Symptom was that it there was a message I don't remember and the attached
    >>> device didn't enumerate anymore (likely because of missing power, but I'm not
    >>> sure).
    >>>
    >>> A simple revert has fixed it, I haven't looked further into the problem.
    >>
    >> Neil Brown, how was this tested?
    >
    >
    > Well, I have a board with an OMAP3 connected to a twl4030 for USB and I
    > noted that it wasn't power-managed properly and when I made that change,
    > it was. I don't recall the exact details
    >
    > This is probably related to
    >
    > Commit: 56301df6bcaa ("phy: twl4030-usb: make runtime pm more reliable.")
    >
    > I certainly only tested with that patch in place.

    Cherry-Picking 56301df6bcaa instead of reverting d1221a608bd did the
    trick too. So it looks like 56301df6bcaa is indeed a prerequisit for
    d1221a608bd.

    Therefor I suggest to feed 56301df6bcaa to the stable series (e.g.
    4.1.6) too.

    Regards,

    Alexander Holler


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