clk: clk-uclass: Fix style violations

checkpatch.pl complains that the clk_ops structures used in clk-uclass.c
ought to be const, so we mark them as const.

Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Mario Six <mario.six@gdsys.cc>

drivers/clk/clk-uclass.c

@@ -15,9 +15,9 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-static inline struct clk_ops *clk_dev_ops(struct udevice *dev)
+static inline const struct clk_ops *clk_dev_ops(struct udevice *dev)
 {
-	return (struct clk_ops *)dev->driver->ops;
+	return (const struct clk_ops *)dev->driver->ops;
 }
 
 #if CONFIG_IS_ENABLED(OF_CONTROL)
@@ -60,7 +60,7 @@ int clk_get_by_index(struct udevice *dev, int index, struct clk *clk)
 	int ret;
 	struct ofnode_phandle_args args;
 	struct udevice *dev_clk;
-	struct clk_ops *ops;
+	const struct clk_ops *ops;
 
 	debug("%s(dev=%p, index=%d, clk=%p)\n", __func__, dev, index, clk);
 
@@ -68,7 +68,7 @@ int clk_get_by_index(struct udevice *dev, int index, struct clk *clk)
 	clk->dev = NULL;
 
 	ret = dev_read_phandle_with_args(dev, "clocks", "#clock-cells", 0,
-					  index, &args);
+					 index, &args);
 	if (ret) {
 		debug("%s: fdtdec_parse_phandle_with_args failed: err=%d\n",
 		      __func__, ret);
@@ -142,7 +142,7 @@ int clk_release_all(struct clk *clk, int count)
 
 int clk_request(struct udevice *dev, struct clk *clk)
 {
-	struct clk_ops *ops = clk_dev_ops(dev);
+	const struct clk_ops *ops = clk_dev_ops(dev);
 
 	debug("%s(dev=%p, clk=%p)\n", __func__, dev, clk);
 
@@ -156,7 +156,7 @@ int clk_request(struct udevice *dev, struct clk *clk)
 
 int clk_free(struct clk *clk)
 {
-	struct clk_ops *ops = clk_dev_ops(clk->dev);
+	const struct clk_ops *ops = clk_dev_ops(clk->dev);
 
 	debug("%s(clk=%p)\n", __func__, clk);
 
@@ -168,7 +168,7 @@ int clk_free(struct clk *clk)
 
 ulong clk_get_rate(struct clk *clk)
 {
-	struct clk_ops *ops = clk_dev_ops(clk->dev);
+	const struct clk_ops *ops = clk_dev_ops(clk->dev);
 
 	debug("%s(clk=%p)\n", __func__, clk);
 
@@ -180,7 +180,7 @@ ulong clk_get_rate(struct clk *clk)
 
 ulong clk_set_rate(struct clk *clk, ulong rate)
 {
-	struct clk_ops *ops = clk_dev_ops(clk->dev);
+	const struct clk_ops *ops = clk_dev_ops(clk->dev);
 
 	debug("%s(clk=%p, rate=%lu)\n", __func__, clk, rate);
 
@@ -192,7 +192,7 @@ ulong clk_set_rate(struct clk *clk, ulong rate)
 
 int clk_enable(struct clk *clk)
 {
-	struct clk_ops *ops = clk_dev_ops(clk->dev);
+	const struct clk_ops *ops = clk_dev_ops(clk->dev);
 
 	debug("%s(clk=%p)\n", __func__, clk);
 
@@ -204,7 +204,7 @@ int clk_enable(struct clk *clk)
 
 int clk_disable(struct clk *clk)
 {
-	struct clk_ops *ops = clk_dev_ops(clk->dev);
+	const struct clk_ops *ops = clk_dev_ops(clk->dev);
 
 	debug("%s(clk=%p)\n", __func__, clk);