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SubjectRe: [PATCH] bcma: Fix 'allmodconfig' and BCMA builds on MIPS targets
Date
Guenter Roeck <linux@roeck-us.net> writes:

> Mips builds with BCMA host mode enabled fail in mainline and -next
> with:
>
> In file included from include/linux/bcma/bcma.h:10:0,
> from drivers/bcma/bcma_private.h:9,
> from drivers/bcma/main.c:8:
> include/linux/bcma/bcma_driver_pci.h:218:24: error:
> field 'pci_controller' has incomplete type
>
> Bisect points to commit d41e6858ba58c ("MIPS: Kconfig: Set default MIPS
> system type as generic") as the culprit. Analysis shows that the commmit
> changes PCI configuration and enables PCI_DRIVERS_GENERIC. This in turn
> disables PCI_DRIVERS_LEGACY. 'struct pci_controller' is, however, only
> defined if PCI_DRIVERS_LEGACY is enabled.
>
> Ultimately that means that BCMA_DRIVER_PCI_HOSTMODE depends on
> PCI_DRIVERS_LEGACY. Add the missing dependency.
>
> Fixes: d41e6858ba58c ("MIPS: Kconfig: Set default MIPS system type as ...")

So the first release for this commit was v4.15-rc1 so this is a recent
regression.

> Cc: Matt Redfearn <matt.redfearn@imgtec.com>
> Cc: James Hogan <jhogan@kernel.org>
> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
> ---
> I am aware that this problem has been reported several times. I have
> not been able to find a fix, but I may have missed it. If so, my
> apologies for the noise.

As this fixes a build problem I'm planning to queue this for v4.15.

--
Kalle Valo

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