[PARISC] Add CONFIG_HPPA_IOREMAP to conditionally enable ioremap

Instead of making it a #define in asm/io.h, allow user to select
to turn on IOREMAP from the config menu.

Signed-off-by: Helge Deller <deller@parisc-linux.org>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>

1 files changed, 11 insertions, 0 deletions

diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index 6b3c50964ca9..fc5755d1db57 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -138,6 +138,17 @@ config 64BIT
           enable this option otherwise. The 64bit kernel is significantly bigger
           and slower than the 32bit one.
 
+config HPPA_IOREMAP
+        bool "Enable IOREMAP functionality (EXPERIMENTAL)"
+        depends on EXPERIMENTAL
+        default n
+        help
+          Enable this option if you want to enable real IOREMAPPING on PA-RISC.
+          Currently we just "simulate" I/O remapping, and enabling this option
+          will just crash your machine.
+
+          Say N here, unless you are a real PA-RISC Linux kernel hacker.
+
 config SMP
         bool "Symmetric multi-processing support"
         ---help---