mtd: docg4: add missing HAS_IOMEM dependency

While building an allyesconfig for UML I received this error message(s):
 drivers/mtd/nand/docg4.c: In function 'probe_docg4':
 drivers/mtd/nand/docg4.c:1272:2: error: implicit declaration of function
 'ioremap' [-Werror=implicit-function-declaration]
 drivers/mtd/nand/docg4.c:1272:10: warning: assignment makes pointer from
 integer without a cast [enabled by default]
 drivers/mtd/nand/docg4.c:1327:2: error: implicit declaration of function
 'iounmap' [-Werror=implicit-function-declaration]

which is caused by the missing implementations on UML.

This patch adds this missing HAS_IOMEM dependency and prevents the driver from
being build on platforms with no HAS_IOMEM

Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Acked-by: Mike Dunn <mikedunn@newsguy.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index baa3436..4883139 100644 (file)
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -331,7 +331,7 @@ config MTD_NAND_DISKONCHIP_BBTWRITE
 
 config MTD_NAND_DOCG4
        tristate "Support for DiskOnChip G4 (EXPERIMENTAL)"
-       depends on EXPERIMENTAL
+       depends on EXPERIMENTAL && HAS_IOMEM
        select BCH
        select BITREVERSE
        help