Some MPIS-based SoCs use chips driven by b43 for wireless capability.
When ssb is configured as a module, build errors happen on these
platforms as described in the commit 882164a4a928 ("ssb: Prevent build
of PCI host features in module"). Unfortunately that change leads to
the removal of code needed for correct operation on platforms that use
PCI cores on the chip bus. The fix allows ssb to be build as a module
for all architectures other than MIPS. This approach is ad-hoc, but it
is the same as done in commit a9e6d44ddecc ("ssb: Do not disable PCI
host on non-Mips").This problem was reported and discussed in https://bugzilla.redhat.com/show_bug.cgi?id=1572349. Fixes: commit 882164a4a928 ("ssb: Prevent build of PCI host features in module") Tested-by: Matt Redfearn <matt.redfe...@mips.com> Tested-by: Bruno Wolff III <br...@wolff.to> Cc: Michael Büsch <m...@bues.ch> Signed-off-by: Larry Finger <larry.fin...@lwfinger.net> --- Kalle, This patch fixes the regression in 4.17 that was discussed on the wireless mailing list. I'm not really happy about the ad-hoc rejection of ssb as a module only on MIPS; however, that seems to be a unique implementation of this hardware. Larry Michael, Although I think your version of the patch is superior, this is the one that Matt tested, thus I'm submitting this version. Larry --- drivers/ssb/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/ssb/Kconfig b/drivers/ssb/Kconfig index 9371651d8017..3743533c8057 100644 --- a/drivers/ssb/Kconfig +++ b/drivers/ssb/Kconfig @@ -117,7 +117,7 @@ config SSB_SERIAL config SSB_DRIVER_PCICORE_POSSIBLE bool - depends on SSB_PCIHOST && SSB = y + depends on SSB_PCIHOST && (SSB = y || !MIPS) default y config SSB_DRIVER_PCICORE -- 2.16.3
