1 files changed, 13 insertions, 0 deletions

diff --git a/drivers/edac/i3200_edac.c b/drivers/edac/i3200_edac.c
index d41f9002da4..aa08497a075 100644
--- a/drivers/edac/i3200_edac.c
+++ b/drivers/edac/i3200_edac.c
@@ -101,6 +101,19 @@ struct i3200_priv {
 
 static int nr_channels;
 
+#ifndef readq
+static inline __u64 readq(const volatile void __iomem *addr)
+{
+        const volatile u32 __iomem *p = addr;
+        u32 low, high;
+
+        low = readl(p);
+        high = readl(p + 1);
+
+        return low + ((u64)high << 32);
+}
+#endif
+
 static int how_many_channels(struct pci_dev *pdev)
 {
         unsigned char capid0_8b; /* 8th byte of CAPID0 */