[PATCH v3 1/3] libfdt: Add fdt16_to_cpu utility function
Anton Staaf
robotboy at chromium.org
Sat Sep 24 04:02:52 EST 2011
This utility routine will be used in the variable size cell literal
append code. It is a straightforward adaptation of the fdt32_to_cpu
function.
Signed-off-by: Anton Staaf <robotboy at chromium.org>
Cc: Jon Loeliger <jdl at jdl.com>
Cc: David Gibson <david at gibson.dropbear.id.au>
Cc: Grant Likely <grant.likely at secretlab.ca>
---
libfdt/libfdt_env.h | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/libfdt/libfdt_env.h b/libfdt/libfdt_env.h
index 449bf60..da952e7 100644
--- a/libfdt/libfdt_env.h
+++ b/libfdt/libfdt_env.h
@@ -6,6 +6,12 @@
#include <string.h>
#define _B(n) ((unsigned long long)((uint8_t *)&x)[n])
+static inline uint16_t fdt16_to_cpu(uint16_t x)
+{
+ return (_B(0) << 8) | _B(1);
+}
+#define cpu_to_fdt16(x) fdt16_to_cpu(x)
+
static inline uint32_t fdt32_to_cpu(uint32_t x)
{
return (_B(0) << 24) | (_B(1) << 16) | (_B(2) << 8) | _B(3);
--
1.7.3.1
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