clk: mediatek: reset: Remove unused mtk_register_reset_controller()

Now that all clock controllers have been migrated to the new
mtk_register_reset_controller_with_dev() function, the one taking
struct device node is now unused: remove it.

Signed-off-by: AngeloGioacchino Del Regno <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Stephen Boyd <[email protected]>

Author: AngeloGioacchino Del Regno

drivers/clk/mediatek/reset.c

@@ -110,65 +110,6 @@ static int reset_xlate(struct reset_controller_dev *rcdev,
 	return data->desc->rst_idx_map[reset_spec->args[0]];
 }
 
-int mtk_register_reset_controller(struct device_node *np,
-				  const struct mtk_clk_rst_desc *desc)
-{
-	struct regmap *regmap;
-	const struct reset_control_ops *rcops = NULL;
-	struct mtk_clk_rst_data *data;
-	int ret;
-
-	if (!desc) {
-		pr_err("mtk clock reset desc is NULL\n");
-		return -EINVAL;
-	}
-
-	switch (desc->version) {
-	case MTK_RST_SIMPLE:
-		rcops = &mtk_reset_ops;
-		break;
-	case MTK_RST_SET_CLR:
-		rcops = &mtk_reset_ops_set_clr;
-		break;
-	default:
-		pr_err("Unknown reset version %d\n", desc->version);
-		return -EINVAL;
-	}
-
-	regmap = device_node_to_regmap(np);
-	if (IS_ERR(regmap)) {
-		pr_err("Cannot find regmap for %pOF: %pe\n", np, regmap);
-		return PTR_ERR(regmap);
-	}
-
-	data = kzalloc(sizeof(*data), GFP_KERNEL);
-	if (!data)
-		return -ENOMEM;
-
-	data->desc = desc;
-	data->regmap = regmap;
-	data->rcdev.owner = THIS_MODULE;
-	data->rcdev.ops = rcops;
-	data->rcdev.of_node = np;
-
-	if (data->desc->rst_idx_map_nr > 0) {
-		data->rcdev.of_reset_n_cells = 1;
-		data->rcdev.nr_resets = desc->rst_idx_map_nr;
-		data->rcdev.of_xlate = reset_xlate;
-	} else {
-		data->rcdev.nr_resets = desc->rst_bank_nr * RST_NR_PER_BANK;
-	}
-
-	ret = reset_controller_register(&data->rcdev);
-	if (ret) {
-		pr_err("could not register reset controller: %d\n", ret);
-		kfree(data);
-		return ret;
-	}
-
-	return 0;
-}
-
 int mtk_register_reset_controller_with_dev(struct device *dev,
 					   const struct mtk_clk_rst_desc *desc)
 {

drivers/clk/mediatek/reset.h

@@ -59,16 +59,6 @@ struct mtk_clk_rst_data {
 	const struct mtk_clk_rst_desc *desc;
 };
 
-/**
- * mtk_register_reset_controller - Register MediaTek clock reset controller
- * @np: Pointer to device node.
- * @desc: Constant pointer to description of clock reset.
- *
- * Return: 0 on success and errorno otherwise.
- */
-int mtk_register_reset_controller(struct device_node *np,
-				  const struct mtk_clk_rst_desc *desc);
-
 /**
  * mtk_register_reset_controller - Register mediatek clock reset controller with device
  * @np: Pointer to device.