i2c: tegra: Move out all device-tree parsing into tegra_i2c_parse_dt()

Move out code related to device-tree parsing from the probe function into
tegra_i2c_parse_dt() in order to make code more consistent.
Reviewed-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Tested-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>

drivers/i2c/busses/i2c-tegra.c

@@ -1428,6 +1428,12 @@ static void tegra_i2c_parse_dt(struct tegra_i2c_dev *i2c_dev)
 
 	multi_mode = of_property_read_bool(np, "multi-master");
 	i2c_dev->is_multimaster_mode = multi_mode;
+
+	if (of_device_is_compatible(np, "nvidia,tegra20-i2c-dvc"))
+		i2c_dev->is_dvc = true;
+
+	if (of_device_is_compatible(np, "nvidia,tegra210-i2c-vi"))
+		i2c_dev->is_vi = true;
 }
 
 static const struct i2c_algorithm tegra_i2c_algo = {
@@ -1730,10 +1736,6 @@ static int tegra_i2c_probe(struct platform_device *pdev)
 		return ret;
 
 	i2c_dev->hw = of_device_get_match_data(&pdev->dev);
-	i2c_dev->is_dvc = of_device_is_compatible(pdev->dev.of_node,
-						  "nvidia,tegra20-i2c-dvc");
-	i2c_dev->is_vi = of_device_is_compatible(dev->of_node,
-						 "nvidia,tegra210-i2c-vi");
 	i2c_dev->adapter.quirks = i2c_dev->hw->quirks;
 	i2c_dev->dma_buf_size = i2c_dev->adapter.quirks->max_write_len +
 				I2C_PACKET_HEADER_SIZE;