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    SubjectRe: regression: b43-sdio: probe of mmc0:0001:1 failed with error -16

    Am 31.10.2010 18:16, schrieb Arnd Hannemann:

    > on todays Linus' git (v2.6.36-9871-g3985c7c) b43 sdio stopped working.
    > It was working on (v2.6.36-6794-g12ba8d1).
    >
    > b43-sdio: probe of mmc0:0001:1 failed with error -16
    >
    > The error seems to originate from the following code in drivers/mmc/core/sdio_bus.c:sdio_bus_probe()
    >
    > 135 ret = pm_runtime_get_sync(dev);
    > 136 if (ret < 0)
    > 137 goto out;
    >
    > so I suspect this has something to do with the following commit:
    >
    > commit 40bba0c1ca83a370f749c8bc9afda71cf79ebd91
    > Author: Ohad Ben-Cohen <ohad@wizery.com>
    > Date: Sat Oct 2 13:54:11 2010 +0200
    >
    > mmc: sdio: enable runtime PM for SDIO functions
    >
    > However, simply reverting 40bba0c1ca83a370f749c8bc9afda71cf79ebd91 does not work because then
    > modprobe hangs.
    >
    > Tested on AP4EVB (arm) with tmio_mmc. Any ideas?

    FYI:

    disabling CONFIG_PM_RUNTIME in my config seems to fix the issue for me.

    Best regards,
    Arnd


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