Define i915_compat.c upper_32_bits for kernels < 2.6.21

diff --git a/linux-core/i915_compat.c b/linux-core/i915_compat.c
index f77260b..cc02408 100644 (file)
--- a/linux-core/i915_compat.c
+++ b/linux-core/i915_compat.c
@@ -19,6 +19,10 @@
 #define I915_IFPADDR    0x60
 #define I965_IFPADDR    0x70
 
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)
+#define upper_32_bits(_val) (((u64)(_val)) >> 32)
+#endif
+
 static struct _i9xx_private_compat {
        void __iomem *flush_page;
        int resource_valid;