ramoops: add HAS_IOMEM dependency

The driver fails to compile on s390:

drivers/char/ramoops.c: In function 'ramoops_init':
drivers/char/ramoops.c:122: error: implicit declaration of function 'ioremap'

Since we won't make use of the driver anyway on s390 just let it depend on
HAS_IOMEM.

Signed-off-by: Heiko Carstens <[email protected]>
Cc: Marco Stornelli <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index f09fc0e2062dfdf9b0d2c4d816cd4fada77c4628..7cfcc629a7fd0f89bf56995652aff7d888379549 100644 (file)
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -1123,6 +1123,7 @@ source "drivers/s390/char/Kconfig"
 
 config RAMOOPS
        tristate "Log panic/oops to a RAM buffer"
+       depends on HAS_IOMEM
        default n
        help
          This enables panic and oops messages to be logged to a circular