We were providing declarations but actual code was compiled only with
CONFIG_BCMA_HOST_PCI set. This could result in:
ERROR: "bcma_host_pci_down" 
[drivers/net/wireless/brcm80211/brcmsmac/brcmsmac.ko] undefined!
ERROR: "bcma_host_pci_up" [drivers/net/wireless/brcm80211/brcmsmac/brcmsmac.ko] 
undefined!
ERROR: "bcma_host_pci_down" [drivers/net/wireless/b43/b43.ko] undefined!
ERROR: "bcma_host_pci_up" [drivers/net/wireless/b43/b43.ko] undefined!

Reported-by: Arnd Bergmann <[email protected]>
Signed-off-by: Rafał Miłecki <[email protected]>
---
 include/linux/bcma/bcma.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/include/linux/bcma/bcma.h b/include/linux/bcma/bcma.h
index 037620b..44057b4 100644
--- a/include/linux/bcma/bcma.h
+++ b/include/linux/bcma/bcma.h
@@ -434,8 +434,17 @@ static inline struct bcma_device *bcma_find_core(struct 
bcma_bus *bus,
        return bcma_find_core_unit(bus, coreid, 0);
 }
 
+#ifdef CONFIG_BCMA_HOST_PCI
 extern void bcma_host_pci_up(struct bcma_bus *bus);
 extern void bcma_host_pci_down(struct bcma_bus *bus);
+#else
+static inline void bcma_host_pci_up(struct bcma_bus *bus)
+{
+}
+static inline void bcma_host_pci_down(struct bcma_bus *bus)
+{
+}
+#endif
 
 extern bool bcma_core_is_enabled(struct bcma_device *core);
 extern void bcma_core_disable(struct bcma_device *core, u32 flags);
-- 
1.8.4.5

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