From: Frank Blaschka <frank.blaschka@de.ibm.com>
Date: Thu, 6 Nov 2014 12:17:06 +0000 (+0100)
Subject: s390/io: add ioport_map stubs
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=99e97b7106d492a3cac4f7963f4a89935d2fbca4;p=deliverable%2Flinux.git

s390/io: add ioport_map stubs

add ioport_map stubs to make vfio build on s390.

Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---

diff --git a/arch/s390/include/asm/io.h b/arch/s390/include/asm/io.h
index cd6b9ee7b69c..ba516f8f918a 100644
--- a/arch/s390/include/asm/io.h
+++ b/arch/s390/include/asm/io.h
@@ -38,6 +38,15 @@ static inline void iounmap(volatile void __iomem *addr)
 {
 }
 
+static inline void __iomem *ioport_map(unsigned long port, unsigned int nr)
+{
+	return NULL;
+}
+
+static inline void ioport_unmap(void __iomem *p)
+{
+}
+
 /*
  * s390 needs a private implementation of pci_iomap since ioremap with its
  * offset parameter isn't sufficient. That's because BAR spaces are not