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@@ -54,6 +54,46 @@ static int clk_of_xlate_default(struct clk *clk,
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return 0;
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}
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+static int clk_get_by_index_tail(int ret, ofnode node,
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+ struct ofnode_phandle_args *args,
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+ const char *list_name, int index,
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+ struct clk *clk)
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+{
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+ struct udevice *dev_clk;
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+ const struct clk_ops *ops;
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+
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+ assert(clk);
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+ clk->dev = NULL;
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+ if (ret)
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+ goto err;
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+
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+ ret = uclass_get_device_by_ofnode(UCLASS_CLK, args->node, &dev_clk);
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+ if (ret) {
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+ debug("%s: uclass_get_device_by_of_offset failed: err=%d\n",
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+ __func__, ret);
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+ return ret;
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+ }
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+
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+ clk->dev = dev_clk;
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+
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+ ops = clk_dev_ops(dev_clk);
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+
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+ if (ops->of_xlate)
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+ ret = ops->of_xlate(clk, args);
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+ else
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+ ret = clk_of_xlate_default(clk, args);
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+ if (ret) {
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+ debug("of_xlate() failed: %d\n", ret);
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+ return ret;
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+ }
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+
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+ return clk_request(dev_clk, clk);
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+err:
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+ debug("%s: Node '%s', property '%s', failed to request CLK index %d: %d\n",
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+ __func__, ofnode_get_name(node), list_name, index, ret);
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+ return ret;
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+}
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+
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static int clk_get_by_indexed_prop(struct udevice *dev, const char *prop_name,
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int index, struct clk *clk)
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{
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@@ -100,7 +140,26 @@ static int clk_get_by_indexed_prop(struct udevice *dev, const char *prop_name,
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int clk_get_by_index(struct udevice *dev, int index, struct clk *clk)
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{
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- return clk_get_by_indexed_prop(dev, "clocks", index, clk);
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+ struct ofnode_phandle_args args;
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+ int ret;
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+
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+ ret = dev_read_phandle_with_args(dev, "clocks", "#clock-cells", 0,
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+ index, &args);
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+
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+ return clk_get_by_index_tail(ret, dev_ofnode(dev), &args, "clocks",
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+ index > 0, clk);
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+}
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+
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+int clk_get_by_index_nodev(ofnode node, int index, struct clk *clk)
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+{
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+ struct ofnode_phandle_args args;
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+ int ret;
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+
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+ ret = ofnode_parse_phandle_with_args(node, "clocks", "#clock-cells", 0,
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+ index > 0, &args);
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+
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+ return clk_get_by_index_tail(ret, node, &args, "clocks",
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+ index > 0, clk);
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}
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int clk_get_bulk(struct udevice *dev, struct clk_bulk *bulk)
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