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    SubjectRe: [PATCH 1/1] drivers/staging/pi433: New driver


    On Thu, Jul 20, 2017 at 01:23:05PM +0200, Marcus Wolf wrote:
    > Hi Greg,
    >
    > below you can see the report with the error on m68k. It was sent to me from a
    > test robot of intel.
    >
    > According to my research, this problem occured, because there is no hardware
    > support for floating point on the m68k (or it was configured not to use it).
    > Therefore gcc uses an internal function, provided by libgcc. Obviously libgcc
    > wasn't linked...
    >
    > I don't know how to come arround this problem by modifying my code (except
    > reducing the accuracy of the calculation by not using floating point).

    I don't see any floating point? You're not allowed to use floating
    point in the kernel.

    >
    > Can we ignore the error or can I do something else?
    > Maybe a special include just in case of m68k can help??!?
    > I don't have an environment for building m68k.
    >

    I think the answer is to use div_u64() and div64_u64 instead of
    do_div()? Or you could just add a depend in the Kconfig.

    regards,
    dan carpenter

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