From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Tue, 26 Sep 2006 03:55:58 +0000 (+1000)
Subject: [POWERPC] iSeries has no legacy I/O
X-Git-Tag: firefly_0821_release~32409^2~7^2
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=80a544cebca5f28397020332e21e04d639a18943;p=firefly-linux-kernel-4.4.55.git

[POWERPC] iSeries has no legacy I/O

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

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 */
 };