clk: add "const" for clk_ops of basic clks

The clk_ops of basic clks should have "const" to match the definition
in "struct clk" and clk_register prototype.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>

drivers/clk/clk-divider.c

@@ -146,7 +146,7 @@ static int clk_divider_set_rate(struct clk_hw *hw, unsigned long rate)
 	return 0;
 }
 
-struct clk_ops clk_divider_ops = {
+const struct clk_ops clk_divider_ops = {
 	.recalc_rate = clk_divider_recalc_rate,
 	.round_rate = clk_divider_round_rate,
 	.set_rate = clk_divider_set_rate,

drivers/clk/clk-fixed-rate.c

@@ -33,7 +33,7 @@ static unsigned long clk_fixed_rate_recalc_rate(struct clk_hw *hw,
 	return to_clk_fixed_rate(hw)->fixed_rate;
 }
 
-struct clk_ops clk_fixed_rate_ops = {
+const struct clk_ops clk_fixed_rate_ops = {
 	.recalc_rate = clk_fixed_rate_recalc_rate,
 };
 EXPORT_SYMBOL_GPL(clk_fixed_rate_ops);

drivers/clk/clk-gate.c

@@ -98,7 +98,7 @@ static int clk_gate_is_enabled(struct clk_hw *hw)
 	return reg ? 1 : 0;
 }
 
-struct clk_ops clk_gate_ops = {
+const struct clk_ops clk_gate_ops = {
 	.enable = clk_gate_enable,
 	.disable = clk_gate_disable,
 	.is_enabled = clk_gate_is_enabled,

drivers/clk/clk-mux.c

@@ -82,7 +82,7 @@ static int clk_mux_set_parent(struct clk_hw *hw, u8 index)
 	return 0;
 }
 
-struct clk_ops clk_mux_ops = {
+const struct clk_ops clk_mux_ops = {
 	.get_parent = clk_mux_get_parent,
 	.set_parent = clk_mux_set_parent,
 };

include/linux/clk-private.h

@@ -55,7 +55,7 @@ struct clk {
  * alternative macro for static initialization
  */
 
-extern struct clk_ops clk_fixed_rate_ops;
+extern const struct clk_ops clk_fixed_rate_ops;
 
 #define DEFINE_CLK_FIXED_RATE(_name, _flags, _rate,		\
 				_fixed_rate_flags)		\
@@ -78,7 +78,7 @@ extern struct clk_ops clk_fixed_rate_ops;
 		.flags = _flags,				\
 	};
 
-extern struct clk_ops clk_gate_ops;
+extern const struct clk_ops clk_gate_ops;
 
 #define DEFINE_CLK_GATE(_name, _parent_name, _parent_ptr,	\
 				_flags, _reg, _bit_idx,		\
@@ -110,7 +110,7 @@ extern struct clk_ops clk_gate_ops;
 		.flags = _flags,				\
 	};
 
-extern struct clk_ops clk_divider_ops;
+extern const struct clk_ops clk_divider_ops;
 
 #define DEFINE_CLK_DIVIDER(_name, _parent_name, _parent_ptr,	\
 				_flags, _reg, _shift, _width,	\
@@ -143,7 +143,7 @@ extern struct clk_ops clk_divider_ops;
 		.flags = _flags,				\
 	};
 
-extern struct clk_ops clk_mux_ops;
+extern const struct clk_ops clk_mux_ops;
 
 #define DEFINE_CLK_MUX(_name, _parent_names, _parents, _flags,	\
 				_reg, _shift, _width,		\