1 files changed, 31 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/code-patching.h b/arch/powerpc/include/asm/code-patching.h
index 0e29ccf903d0..21a36e2c4e26 100644
--- a/arch/powerpc/include/asm/code-patching.h
+++ b/arch/powerpc/include/asm/code-patching.h
@@ -76,6 +76,37 @@ int patch_instruction(u32 *addr, ppc_inst_t instr);
 int raw_patch_instruction(u32 *addr, ppc_inst_t instr);
 int patch_instructions(u32 *addr, u32 *code, size_t len, bool repeat_instr);
 
+/*
+ * The data patching functions patch_uint() and patch_ulong(), etc., must be
+ * called on aligned addresses.
+ *
+ * The instruction patching functions patch_instruction() and similar must be
+ * called on addresses satisfying instruction alignment requirements.
+ */
+
+#ifdef CONFIG_PPC64
+
+int patch_uint(void *addr, unsigned int val);
+int patch_ulong(void *addr, unsigned long val);
+
+#define patch_u64 patch_ulong
+
+#else
+
+static inline int patch_uint(void *addr, unsigned int val)
+{
+	return patch_instruction(addr, ppc_inst(val));
+}
+
+static inline int patch_ulong(void *addr, unsigned long val)
+{
+	return patch_instruction(addr, ppc_inst(val));
+}
+
+#endif
+
+#define patch_u32 patch_uint
+
 static inline unsigned long patch_site_addr(s32 *site)
 {
 	return (unsigned long)site + *site;