Greg KH wrote:
On Tue, Oct 14, 2008 at 02:59:17PM +1100, Stephen Rothwell wrote:
Hi Greg,
Today's linux-next build (powerpc ppc64_defconfig) failed like this:
drivers/usb/Kconfig:63:error: found recursive dependency: USB -> USB_OHCI_HCD -> I2C -> MCU_MPC8349EMITX -> ARCH_REQUIRE_GPIOLIB -> GPIOLIB -> MFD_TC6393XB -> USB_ARCH_HAS_OHCI -> USB_ARCH_HAS_HCD -> MOUSE_APPLETOUCH -> USB
make[2]: *** [ppc64_defconfig] Error 1
make[1]: *** [ppc64_defconfig] Error 2
make: *** [sub-make] Error 2
Direct cause is commit 51f54ddba226b3b33f55d1be058e809fcfdc30c4 ("USB:
ohci: add support for tmio-ohci cell") which I have reverted.
Dmitry, I can reproduce this with this patch on top of Linus's tree
right now. Care to fix it up?
I'll look into it in a few hours. However if I get it correct, I don't
know how to solve it, strictly speaking. Indeed, it adds a possibility
to have the OHCI if TC6393XB driver is loaded, thus adding dependancy
USB_ARCH_HAS_OHCI->MFD_TC6393XB closing this dependancy circle. In
reality it isn't a problem, since e.g. MCU_MPC8349EMITX is PPC-only (if
it isn't, it's a bug) and on the other hand MFD_TC6393XB is arm-only
thing which correctly depends on ARM.
--
With best wishes
Dmitry
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