i2c: i2c-mux-pinctrl: use deferred probe when adapter not found
If it is not there yet, it might appear later. Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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@ -113,7 +113,7 @@ static int i2c_mux_pinctrl_parse_dt(struct i2c_mux_pinctrl *mux,
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adapter = of_find_i2c_adapter_by_node(adapter_np);
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adapter = of_find_i2c_adapter_by_node(adapter_np);
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if (!adapter) {
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if (!adapter) {
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dev_err(mux->dev, "Cannot find parent bus\n");
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dev_err(mux->dev, "Cannot find parent bus\n");
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return -ENODEV;
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return -EPROBE_DEFER;
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}
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}
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mux->pdata->parent_bus_num = i2c_adapter_id(adapter);
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mux->pdata->parent_bus_num = i2c_adapter_id(adapter);
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put_device(&adapter->dev);
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put_device(&adapter->dev);
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@ -211,7 +211,7 @@ static int i2c_mux_pinctrl_probe(struct platform_device *pdev)
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if (!mux->parent) {
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if (!mux->parent) {
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dev_err(&pdev->dev, "Parent adapter (%d) not found\n",
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dev_err(&pdev->dev, "Parent adapter (%d) not found\n",
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mux->pdata->parent_bus_num);
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mux->pdata->parent_bus_num);
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ret = -ENODEV;
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ret = -EPROBE_DEFER;
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goto err;
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goto err;
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}
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}
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