[S390] Kconfig: refine depends statements.

Refine some depends statements to limit their visibility to the
environments that are actually supported.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 2df42fdcdc91..715250077e44 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -81,6 +81,7 @@ config VT_HW_CONSOLE_BINDING
 
 config SERIAL_NONSTANDARD
         bool "Non-standard serial port support"
+        depends on HAS_IOMEM
         ---help---
           Say Y here if you have any non-standard serial boards -- boards
           which aren't supported using the standard "dumb" serial driver.
@@ -858,6 +859,7 @@ config COBALT_LCD
 
 config DTLK
         tristate "Double Talk PC internal speech card support"
+        depends on ISA
         help
           This driver is for the DoubleTalk PC, a speech synthesizer
           manufactured by RC Systems (<http://www.rcsys.com/>).  It is also