1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/staging/csr/csr_macro.h b/drivers/staging/csr/csr_macro.h
new file mode 100644
index 00000000..c47f1d91
--- /dev/null
+++ b/drivers/staging/csr/csr_macro.h
@@ -0,0 +1,39 @@
+#ifndef CSR_MACRO_H__
+#define CSR_MACRO_H__
+/*****************************************************************************
+
+            (c) Cambridge Silicon Radio Limited 2010
+            All rights reserved and confidential information of CSR
+
+            Refer to LICENSE.txt included with this source for details
+            on the license terms.
+
+*****************************************************************************/
+
+#include <linux/types.h>
+
+#define FALSE	(0)
+#define TRUE	(1)
+
+/*------------------------------------------------------------------*/
+/* Endian conversion */
+/*------------------------------------------------------------------*/
+#define CSR_GET_UINT16_FROM_LITTLE_ENDIAN(ptr)        (((u16) ((u8 *) (ptr))[0]) | ((u16) ((u8 *) (ptr))[1]) << 8)
+#define CSR_GET_UINT32_FROM_LITTLE_ENDIAN(ptr)        (((u32) ((u8 *) (ptr))[0]) | ((u32) ((u8 *) (ptr))[1]) << 8 | \
+                                                       ((u32) ((u8 *) (ptr))[2]) << 16 | ((u32) ((u8 *) (ptr))[3]) << 24)
+#define CSR_COPY_UINT16_TO_LITTLE_ENDIAN(uint, ptr)    ((u8 *) (ptr))[0] = ((u8) ((uint) & 0x00FF)); \
+    ((u8 *) (ptr))[1] = ((u8) ((uint) >> 8))
+#define CSR_COPY_UINT32_TO_LITTLE_ENDIAN(uint, ptr)    ((u8 *) (ptr))[0] = ((u8) ((uint) & 0x000000FF)); \
+    ((u8 *) (ptr))[1] = ((u8) (((uint) >> 8) & 0x000000FF)); \
+    ((u8 *) (ptr))[2] = ((u8) (((uint) >> 16) & 0x000000FF)); \
+    ((u8 *) (ptr))[3] = ((u8) (((uint) >> 24) & 0x000000FF))
+
+/*------------------------------------------------------------------*/
+/* Misc */
+/*------------------------------------------------------------------*/
+/* Use this macro on unused local variables that cannot be removed (such as
+   unused function parameters). This will quell warnings from certain compilers
+   and static code analysis tools like Lint and Valgrind. */
+#define CSR_UNUSED(x) ((void) (x))
+
+#endif