netdev - [PATCH v4 5/6] can: sja1000: Change the return type as void for SoC specific init

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Date:   Sun, 10 Jul 2022 12:52:47 +0100
From:   Biju Das <biju.das.jz@...renesas.com>
To:     Wolfgang Grandegger <wg@...ndegger.com>,
        Marc Kleine-Budde <mkl@...gutronix.de>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>
Cc:     Biju Das <biju.das.jz@...renesas.com>, linux-can@...r.kernel.org,
        netdev@...r.kernel.org,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Chris Paterson <Chris.Paterson2@...esas.com>,
        Biju Das <biju.das@...renesas.com>,
        linux-renesas-soc@...r.kernel.org
Subject: [PATCH v4 5/6] 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.

Signed-off-by: Biju Das <biju.das.jz@...renesas.com>
---
v3->v4:
 * No change.
v2->v3:
 * No change.
v1->v2:
 * No change.
---
 drivers/net/can/sja1000/sja1000_platform.c | 13 ++++---------
 1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/drivers/net/can/sja1000/sja1000_platform.c b/drivers/net/can/sja1000/sja1000_platform.c
index 0b78568f5286..81bc741905fd 100644
--- 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);
 	}
-- 
2.25.1