enic: Attempt to fix build in 32-bit such as i386.

Such platforms lack readq/writeq but this driver want to call them.

Noticed by Andrew Morton.

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

1 files changed, 14 insertions, 0 deletions

diff --git a/drivers/net/enic/vnic_dev.h b/drivers/net/enic/vnic_dev.h
index 2dcffd3a24bd..b9dc1821c805 100644
--- a/drivers/net/enic/vnic_dev.h
+++ b/drivers/net/enic/vnic_dev.h
@@ -27,6 +27,20 @@
 #define VNIC_PADDR_TARGET       0x0000000000000000ULL
 #endif
 
+#ifndef readq
+static inline u64 readq(void __iomem *reg)
+{
+        return (((u64)readl(reg + 0x4UL) << 32) |
+                (u64)readl(reg));
+}
+
+static inline void writeq(u64 val, void __iomem *reg)
+{
+        writel(val & 0xffffffff, reg);
+        writel(val >> 32, reg + 0x4UL);
+}
+#endif
+
 enum vnic_dev_intr_mode {
         VNIC_DEV_INTR_MODE_UNKNOWN,
         VNIC_DEV_INTR_MODE_INTX,