ASoC: fsi: don't use platform info pointer on probe()

Current FSI driver is using platform info pointer,
but it is not good design for DT support.
This patch made it not to use platform info pointer.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/sh/fsi.c

@@ -1918,16 +1918,15 @@ static int fsi_probe(struct platform_device *pdev)
 {
 	struct fsi_master *master;
 	const struct platform_device_id	*id_entry;
-	struct sh_fsi_platform_info *info = pdev->dev.platform_data;
-	struct sh_fsi_port_info nul_info, *pinfo;
+	struct sh_fsi_platform_info info;
 	struct fsi_priv *fsi;
 	struct resource *res;
 	unsigned int irq;
 	int ret;
 
-	nul_info.flags	= 0;
-	nul_info.tx_id	= 0;
-	nul_info.rx_id	= 0;
+	memset(&info, 0, sizeof(info));
+	if (pdev->dev.platform_data)
+		memcpy(&info, pdev->dev.platform_data, sizeof(info));
 
 	id_entry = pdev->id_entry;
 	if (!id_entry) {
@@ -1961,25 +1960,23 @@ static int fsi_probe(struct platform_device *pdev)
 	spin_lock_init(&master->lock);
 
 	/* FSI A setting */
-	pinfo		= (info) ? &info->port_a : &nul_info;
 	fsi		= &master->fsia;
 	fsi->base	= master->base;
 	fsi->master	= master;
-	fsi_port_info_init(fsi, pinfo);
-	fsi_handler_init(fsi, pinfo);
+	fsi_port_info_init(fsi, &info.port_a);
+	fsi_handler_init(fsi, &info.port_a);
 	ret = fsi_stream_probe(fsi, &pdev->dev);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "FSIA stream probe failed\n");
 		return ret;
 	}
 
 	/* FSI B setting */
-	pinfo		= (info) ? &info->port_b : &nul_info;
 	fsi		= &master->fsib;
 	fsi->base	= master->base + 0x40;
 	fsi->master	= master;
-	fsi_port_info_init(fsi, pinfo);
-	fsi_handler_init(fsi, pinfo);
+	fsi_port_info_init(fsi, &info.port_b);
+	fsi_handler_init(fsi, &info.port_b);
 	ret = fsi_stream_probe(fsi, &pdev->dev);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "FSIB stream probe failed\n");