[POWERPC] iSeries has no legacy I/O

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>

1 files changed, 10 insertions, 0 deletions

diff --git a/arch/powerpc/platforms/iseries/setup.c b/arch/powerpc/platforms/iseries/setup.c
index 7cb6b5f7c593..a0ff7ba7d666 100644
--- a/arch/powerpc/platforms/iseries/setup.c
+++ b/arch/powerpc/platforms/iseries/setup.c
@@ -649,6 +649,15 @@ static void iseries_dedicated_idle(void)
 void __init iSeries_init_IRQ(void) { }
 #endif
 
+/*
+ * iSeries has no legacy IO, anything calling this function has to
+ * fail or bad things will happen
+ */
+static int iseries_check_legacy_ioport(unsigned int baseport)
+{
+        return -ENODEV;
+}
+
 static int __init iseries_probe(void)
 {
         unsigned long root = of_get_flat_dt_root();
@@ -677,6 +686,7 @@ define_machine(iseries) {
         .calibrate_decr = generic_calibrate_decr,
         .progress       = iSeries_progress,
         .probe          = iseries_probe,
+        .check_legacy_ioport    = iseries_check_legacy_ioport,
         /* XXX Implement enable_pmcs for iSeries */
 };