drivers: bcma: export bcma_core_disable() function

In the brcm80211 driver we disable the 80211 core when the driver is
'down'. The bcma_core_disable() function exactly does the same as
our implementation so exporting this function makes sense.

Cc: linux-wireless@vger.kernel.org
Cc: Rafal Milecki <zajec5@gmail.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/bcma/core.c

@@ -19,7 +19,7 @@ bool bcma_core_is_enabled(struct bcma_device *core)
 }
 EXPORT_SYMBOL_GPL(bcma_core_is_enabled);
 
-static void bcma_core_disable(struct bcma_device *core, u32 flags)
+void bcma_core_disable(struct bcma_device *core, u32 flags)
 {
 	if (bcma_aread32(core, BCMA_RESET_CTL) & BCMA_RESET_CTL_RESET)
 		return;
@@ -31,6 +31,7 @@ static void bcma_core_disable(struct bcma_device *core, u32 flags)
 	bcma_awrite32(core, BCMA_RESET_CTL, BCMA_RESET_CTL_RESET);
 	udelay(1);
 }
+EXPORT_SYMBOL_GPL(bcma_core_disable);
 
 int bcma_core_enable(struct bcma_device *core, u32 flags)
 {

include/linux/bcma/bcma.h

@@ -244,6 +244,7 @@ void bcma_awrite32(struct bcma_device *core, u16 offset, u32 value)
 }
 
 extern bool bcma_core_is_enabled(struct bcma_device *core);
+extern void bcma_core_disable(struct bcma_device *core, u32 flags);
 extern int bcma_core_enable(struct bcma_device *core, u32 flags);
 
 #endif /* LINUX_BCMA_H_ */