pwm: renesas-tpu: Add dependency on HAS_IOMEM

On archs like S390 or um this driver cannot build nor work.
Make it depend on HAS_IOMEM to bypass build failures.

drivers/built-in.o: In function `tpu_probe':
drivers/pwm/pwm-renesas-tpu.c:421: undefined reference to `devm_ioremap_resource'

Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>

diff --git a/drivers/pwm/Kconfig b/drivers/pwm/Kconfig
index 22f2f28..0b7a3c9 100644 (file)
--- a/drivers/pwm/Kconfig
+++ b/drivers/pwm/Kconfig
@@ -160,6 +160,7 @@ config PWM_PXA
 config PWM_RENESAS_TPU
        tristate "Renesas TPU PWM support"
        depends on ARCH_SHMOBILE || COMPILE_TEST
+       depends on HAS_IOMEM
        help
          This driver exposes the Timer Pulse Unit (TPU) PWM controller found
          in Renesas chips through the PWM API.