[PATCH] powerpc/cell: disable legacy i/o area

We currently crash in the fedora installer because the keyboard
driver tries to access I/O space that is not there on our hardware.

This uses the same solution as powermac by just marking all
legacy i/o as invalid.

Signed-off-by: Arnd Bergmann <arndb@de.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 10 insertions, 0 deletions

diff --git a/arch/powerpc/platforms/cell/setup.c b/arch/powerpc/platforms/cell/setup.c
index c41a6e2e2c30..e5ee42b67509 100644
--- a/arch/powerpc/platforms/cell/setup.c
+++ b/arch/powerpc/platforms/cell/setup.c
@@ -201,6 +201,15 @@ static int __init cell_probe(int platform)
         return 1;
 }
 
+/*
+ * Cell has no legacy IO; anything calling this function has to
+ * fail or bad things will happen
+ */
+static int cell_check_legacy_ioport(unsigned int baseport)
+{
+        return -ENODEV;
+}
+
 struct machdep_calls __initdata cell_md = {
         .probe                  = cell_probe,
         .setup_arch             = cell_setup_arch,
@@ -213,6 +222,7 @@ struct machdep_calls __initdata cell_md = {
         .get_rtc_time           = rtas_get_rtc_time,
         .set_rtc_time           = rtas_set_rtc_time,
         .calibrate_decr         = generic_calibrate_decr,
+        .check_legacy_ioport    = cell_check_legacy_ioport,
         .progress               = cell_progress,
 #ifdef CONFIG_KEXEC
         .machine_kexec          = default_machine_kexec,