1 files changed, 45 insertions, 0 deletions
diff --git a/arch/arm/include/asm/types.h b/arch/arm/include/asm/types.h
new file mode 100644
index 0000000..900b261
--- /dev/null
+++ b/arch/arm/include/asm/types.h
@@ -0,0 +1,45 @@
+#ifndef __ASM_ARM_TYPES_H
+#define __ASM_ARM_TYPES_H
+
+#include <asm-generic/int-ll64.h>
+
+typedef unsigned short umode_t;
+
+/*
+ * These aren't exported outside the kernel to avoid name space clashes
+ */
+#ifdef __KERNEL__
+
+#ifdef	CONFIG_ARM64
+#define BITS_PER_LONG 64
+#else	/* CONFIG_ARM64 */
+#define BITS_PER_LONG 32
+#endif	/* CONFIG_ARM64 */
+
+#ifdef CONFIG_PHYS_64BIT
+typedef unsigned long long phys_addr_t;
+typedef unsigned long long phys_size_t;
+#else
+/* DMA addresses are 32-bits wide */
+typedef unsigned long phys_addr_t;
+typedef unsigned long phys_size_t;
+#endif
+
+/*
+ * A dma_addr_t can hold any valid DMA address, i.e., any address returned
+ * by the DMA API.
+ *
+ * If the DMA API only uses 32-bit addresses, dma_addr_t need only be 32
+ * bits wide.  Bus addresses, e.g., PCI BARs, may be wider than 32 bits,
+ * but drivers do memory-mapped I/O to ioremapped kernel virtual addresses,
+ * so they don't care about the size of the actual bus addresses.
+ */
+#ifdef CONFIG_DMA_ADDR_T_64BIT
+typedef unsigned long long dma_addr_t;
+#else
+typedef u32 dma_addr_t;
+#endif
+
+#endif /* __KERNEL__ */
+
+#endif