can: sja1000: Change the return type as void for SoC specific init

Change the return type as void for SoC specific init function as it
always return 0.

Link: https://lore.kernel.org/all/20220710115248.190280-6-biju.das.jz@bp.renesas.com
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

diff --git a/drivers/net/can/sja1000/sja1000_platform.c b/drivers/net/can/sja1000/sja1000_platform.c
index 0b78568..81bc741 100644 (file)
--- a/drivers/net/can/sja1000/sja1000_platform.c
+++ b/drivers/net/can/sja1000/sja1000_platform.c
@@ -31,7 +31,7 @@ MODULE_LICENSE("GPL v2");
 
 struct sja1000_of_data {
        size_t  priv_sz;
-       int     (*init)(struct sja1000_priv *priv, struct device_node *of);
+       void    (*init)(struct sja1000_priv *priv, struct device_node *of);
 };
 
 struct technologic_priv {
@@ -94,15 +94,13 @@ static void sp_technologic_write_reg16(const struct sja1000_priv *priv,
        spin_unlock_irqrestore(&tp->io_lock, flags);
 }
 
-static int sp_technologic_init(struct sja1000_priv *priv, struct device_node *of)
+static void sp_technologic_init(struct sja1000_priv *priv, struct device_node *of)
 {
        struct technologic_priv *tp = priv->priv;
 
        priv->read_reg = sp_technologic_read_reg16;
        priv->write_reg = sp_technologic_write_reg16;
        spin_lock_init(&tp->io_lock);
-
-       return 0;
 }
 
 static void sp_populate(struct sja1000_priv *priv,
@@ -266,11 +264,8 @@ static int sp_probe(struct platform_device *pdev)
        if (of) {
                sp_populate_of(priv, of);
 
-               if (of_data && of_data->init) {
-                       err = of_data->init(priv, of);
-                       if (err)
-                               goto exit_free;
-               }
+               if (of_data && of_data->init)
+                       of_data->init(priv, of);
        } else {
                sp_populate(priv, pdata, res_mem->flags);
        }