[PATCH] drivers/net/dsa/Kconfig: Let NET_DSA_BCM_SF2 depend on HAS_IOMEM

[Chen Gang]

NET_DSA_BCM_SF2 need HAS_IOMEM, so depend on it, the related error (with
allmodconfig under um):

    CC [M]  drivers/net/dsa/bcm_sf2.o
  drivers/net/dsa/bcm_sf2.c: In function âbcm_sf2_sw_setupâ:
  drivers/net/dsa/bcm_sf2.c:487:3: error: implicit declaration of function âiounmapâ [-Werror=implicit-function-declaration]
     iounmap(*base);
     ^

Signed-off-by: Chen Gang <gang.chen.5i5j@xxxxxxxxx>
---
 drivers/net/dsa/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/dsa/Kconfig b/drivers/net/dsa/Kconfig
index ea0697e..9234d80 100644
--- a/drivers/net/dsa/Kconfig
+++ b/drivers/net/dsa/Kconfig
@@ -47,6 +47,7 @@ config NET_DSA_MV88E6171
 
 config NET_DSA_BCM_SF2
 	tristate "Broadcom Starfighter 2 Ethernet switch support"
+	depends on HAS_IOMEM
 	select NET_DSA
 	select NET_DSA_TAG_BRCM
 	select FIXED_PHY if NET_DSA_BCM_SF2=y
-- 
1.9.3
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