This driver is depended on by CONFIG_FIRMWARE_RASPBERRYPI which provides
a number of essential services, including but not limited to a Linux
common clock framework provider. Make sure that enable
CONFIG_ARCH_BCM2835 does enable the corresponding mailbox driver as
well.

Signed-off-by: Florian Fainelli <florian.fainelli@broadcom.com>
---
 drivers/mailbox/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mailbox/Kconfig b/drivers/mailbox/Kconfig
index 3b8842c4a340..b5108896dd72 100644
--- a/drivers/mailbox/Kconfig
+++ b/drivers/mailbox/Kconfig
@@ -112,6 +112,7 @@ config ALTERA_MBOX
 config BCM2835_MBOX
 	tristate "BCM2835 Mailbox"
 	depends on ARCH_BCM2835
+	default y
 	help
 	  An implementation of the BCM2385 Mailbox.  It is used to invoke
 	  the services of the Videocore. Say Y here if you want to use the
-- 
2.34.1