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    SubjectRe: [PATCH -next] usb: add usb.h stubs for CONFIG_USB not enabled
    On Fri, 18 May 2012, Randy Dunlap wrote:

    > From: Randy Dunlap <>
    > Add stubs for some usb core functions when CONFIG_USB
    > is not enabled. This fixes these comedi build errors:
    > ERROR: "usb_deregister" [drivers/staging/comedi/comedi.ko] undefined!
    > ERROR: "usb_register_driver" [drivers/staging/comedi/comedi.ko] undefined!
    > Signed-off-by: Randy Dunlap <>
    > ---
    > I am only adding the stubs that are needed for comedi to build.
    > I expect that more stubs will be needed as more build errors are
    > found. It seems to me that linux/usb.h might need more (major)
    > moving of lines to support more stubs in the future.

    This doesn't seem like the right thing to do. If a driver needs to
    register with the USB core then that driver should depend on

    On the other hand, if the driver is capable of being built without USB
    support then it should use the necessary preprocessor tests to protect
    calls to any USB routines.

    Alan Stern

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      Last update: 2012-05-19 16:41    [W:0.026 / U:84.848 seconds]
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