hwrng: ba431 - Add dependency on HAS_IOMEM

The ba431 driver depends on HAS_IOMEM and this was missing from
the Kconfig file.

Reported-by: kernel test robot <lkp@intel.com>
Fixes: 0289e9be5dc2 ("hwrng: ba431 - add support for BA431 hwrng")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig
index 7b876dfdbaafe7adece29c5e1f2e4f611ff36e88..edbaf615476426128c5e656b135641a8f9dd761b 100644 (file)
--- a/drivers/char/hw_random/Kconfig
+++ b/drivers/char/hw_random/Kconfig
@@ -76,6 +76,7 @@ config HW_RANDOM_ATMEL
 
 config HW_RANDOM_BA431
        tristate "Silex Insight BA431 Random Number Generator support"
+       depends on HAS_IOMEM
        default HW_RANDOM
        help
          This driver provides kernel-side support for the Random Number