[SPARC64]: Fix of_iounmap() region release.

We need to pass in the resource otherwise we cannot
release the region properly.  We must know whether it is
an I/O or MEM resource.

Spotted by Eric Brower.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 5 insertions, 2 deletions

diff --git a/arch/sparc64/kernel/of_device.c b/arch/sparc64/kernel/of_device.c
index cec0eceae552..b0f3e0082a0d 100644
--- a/arch/sparc64/kernel/of_device.c
+++ b/arch/sparc64/kernel/of_device.c
@@ -144,9 +144,12 @@ void __iomem *of_ioremap(struct resource *res, unsigned long offset, unsigned lo
 }
 EXPORT_SYMBOL(of_ioremap);
 
-void of_iounmap(void __iomem *base, unsigned long size)
+void of_iounmap(struct resource *res, void __iomem *base, unsigned long size)
 {
-        release_region((unsigned long) base, size);
+        if (res->flags & IORESOURCE_MEM)
+                release_mem_region((unsigned long) base, size);
+        else
+                release_region((unsigned long) base, size);
 }
 EXPORT_SYMBOL(of_iounmap);