clk: ingenic: Use const pointer to clk_ops in struct

The CGU common code does not modify the pointed clk_ops structure, so it
should be marked as const.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Maarten ter Huurne <maarten@treewalker.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/18476/
Signed-off-by: James Hogan <jhogan@kernel.org>

drivers/clk/ingenic/cgu.h

@@ -120,7 +120,7 @@ struct ingenic_cgu_gate_info {
  * @clk_ops: custom clock operation callbacks
  */
 struct ingenic_cgu_custom_info {
-	struct clk_ops *clk_ops;
+	const struct clk_ops *clk_ops;
 };
 
 /**

drivers/clk/ingenic/jz4780-cgu.c

@@ -203,7 +203,7 @@ static int jz4780_otg_phy_set_rate(struct clk_hw *hw, unsigned long req_rate,
 	return 0;
 }
 
-static struct clk_ops jz4780_otg_phy_ops = {
+static const struct clk_ops jz4780_otg_phy_ops = {
 	.get_parent = jz4780_otg_phy_get_parent,
 	.set_parent = jz4780_otg_phy_set_parent,