hwrng: stm32 - Fix dependencies for !HAS_IOMEM archs

Not every arch has io memory.
So, unbreak the build by fixing the dependencies.

Signed-off-by: Richard Weinberger <richard@nod.at>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
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 dbf2271..ff00331 100644 (file)
--- a/drivers/char/hw_random/Kconfig
+++ b/drivers/char/hw_random/Kconfig
@@ -372,6 +372,7 @@ config HW_RANDOM_XGENE
 config HW_RANDOM_STM32
        tristate "STMicroelectronics STM32 random number generator"
        depends on HW_RANDOM && (ARCH_STM32 || COMPILE_TEST)
+       depends on HAS_IOMEM
        help
          This driver provides kernel-side support for the Random Number
          Generator hardware found on STM32 microcontrollers.