[PATCH 2/8] mailbox: Fix rockchip dependencies

[Richard Weinberger]

This driver needs io memory but not all archs offer it.

Fixes the following build error:
drivers/built-in.o: In function `rockchip_mbox_probe':
rockchip-mailbox.c:(.text+0x4b19c): undefined reference to `devm_ioremap_resource'

Cc: Jassi Brar <jassisinghbrar@xxxxxxxxx>
Signed-off-by: Richard Weinberger <richard@xxxxxx>
---
 drivers/mailbox/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mailbox/Kconfig b/drivers/mailbox/Kconfig
index 5305923..5ee207c 100644
--- a/drivers/mailbox/Kconfig
+++ b/drivers/mailbox/Kconfig
@@ -45,6 +45,7 @@ config OMAP_MBOX_KFIFO_SIZE
 
 config ROCKCHIP_MBOX
 	bool "Rockchip Soc Intergrated Mailbox Support"
+	depends on HAS_IOMEM
 	depends on ARCH_ROCKCHIP || COMPILE_TEST
 	help
 	  This driver provides support for inter-processor communication
-- 
1.8.4.5