2 files changed, 12 insertions, 63 deletions

diff --git a/arch/hexagon/include/asm/atomic.h b/arch/hexagon/include/asm/atomic.h
index 6e94f8d04146..2447d083c432 100644
--- a/arch/hexagon/include/asm/atomic.h
+++ b/arch/hexagon/include/asm/atomic.h
@@ -28,58 +28,8 @@ static inline void arch_atomic_set(atomic_t *v, int new)
 
 #define arch_atomic_set_release(v, i)	arch_atomic_set((v), (i))
 
-/**
- * arch_atomic_read - reads a word, atomically
- * @v: pointer to atomic value
- *
- * Assumes all word reads on our architecture are atomic.
- */
 #define arch_atomic_read(v)		READ_ONCE((v)->counter)
 
-/**
- * arch_atomic_xchg - atomic
- * @v: pointer to memory to change
- * @new: new value (technically passed in a register -- see xchg)
- */
-#define arch_atomic_xchg(v, new)	(arch_xchg(&((v)->counter), (new)))
-
-
-/**
- * arch_atomic_cmpxchg - atomic compare-and-exchange values
- * @v: pointer to value to change
- * @old:  desired old value to match
- * @new:  new value to put in
- *
- * Parameters are then pointer, value-in-register, value-in-register,
- * and the output is the old value.
- *
- * Apparently this is complicated for archs that don't support
- * the memw_locked like we do (or it's broken or whatever).
- *
- * Kind of the lynchpin of the rest of the generically defined routines.
- * Remember V2 had that bug with dotnew predicate set by memw_locked.
- *
- * "old" is "expected" old val, __oldval is actual old value
- */
-static inline int arch_atomic_cmpxchg(atomic_t *v, int old, int new)
-{
-	int __oldval;
-
-	asm volatile(
-		"1:	%0 = memw_locked(%1);\n"
-		"	{ P0 = cmp.eq(%0,%2);\n"
-		"	  if (!P0.new) jump:nt 2f; }\n"
-		"	memw_locked(%1,P0) = %3;\n"
-		"	if (!P0) jump 1b;\n"
-		"2:\n"
-		: "=&r" (__oldval)
-		: "r" (&v->counter), "r" (old), "r" (new)
-		: "memory", "p0"
-	);
-
-	return __oldval;
-}
-
 #define ATOMIC_OP(op)							\
 static inline void arch_atomic_##op(int i, atomic_t *v)			\
 {									\
@@ -135,6 +85,11 @@ static inline int arch_atomic_fetch_##op(int i, atomic_t *v)		\
 ATOMIC_OPS(add)
 ATOMIC_OPS(sub)
 
+#define arch_atomic_add_return			arch_atomic_add_return
+#define arch_atomic_sub_return			arch_atomic_sub_return
+#define arch_atomic_fetch_add			arch_atomic_fetch_add
+#define arch_atomic_fetch_sub			arch_atomic_fetch_sub
+
 #undef ATOMIC_OPS
 #define ATOMIC_OPS(op) ATOMIC_OP(op) ATOMIC_FETCH_OP(op)
 
@@ -142,21 +97,15 @@ ATOMIC_OPS(and)
 ATOMIC_OPS(or)
 ATOMIC_OPS(xor)
 
+#define arch_atomic_fetch_and			arch_atomic_fetch_and
+#define arch_atomic_fetch_or			arch_atomic_fetch_or
+#define arch_atomic_fetch_xor			arch_atomic_fetch_xor
+
 #undef ATOMIC_OPS
 #undef ATOMIC_FETCH_OP
 #undef ATOMIC_OP_RETURN
 #undef ATOMIC_OP
 
-/**
- * arch_atomic_fetch_add_unless - add unless the number is a given value
- * @v: pointer to value
- * @a: amount to add
- * @u: unless value is equal to u
- *
- * Returns old value.
- *
- */
-
 static inline int arch_atomic_fetch_add_unless(atomic_t *v, int a, int u)
 {
 	int __oldval;
diff --git a/arch/hexagon/kernel/setup.c b/arch/hexagon/kernel/setup.c
index 1880d9beaf2b..621674e86232 100644
--- a/arch/hexagon/kernel/setup.c
+++ b/arch/hexagon/kernel/setup.c
@@ -66,9 +66,9 @@ void __init setup_arch(char **cmdline_p)
 		on_simulator = 0;
 
 	if (p[0] != '\0')
-		strlcpy(boot_command_line, p, COMMAND_LINE_SIZE);
+		strscpy(boot_command_line, p, COMMAND_LINE_SIZE);
 	else
-		strlcpy(boot_command_line, default_command_line,
+		strscpy(boot_command_line, default_command_line,
 			COMMAND_LINE_SIZE);
 
 	/*
@@ -76,7 +76,7 @@ void __init setup_arch(char **cmdline_p)
 	 * are both picked up by the init code. If no reason to
 	 * make them different, pass the same pointer back.
 	 */
-	strlcpy(cmd_line, boot_command_line, COMMAND_LINE_SIZE);
+	strscpy(cmd_line, boot_command_line, COMMAND_LINE_SIZE);
 	*cmdline_p = cmd_line;
 
 	parse_early_param();