netdev - [PATCH v2 3/3] can: rcar_canfd: Use devm_reset_control_get_optional

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Message-Id: <20221025155657.1426948-4-biju.das.jz@bp.renesas.com>
Date:   Tue, 25 Oct 2022 16:56:57 +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>,
        Philipp Zabel <p.zabel@...gutronix.de>
Cc:     Biju Das <biju.das.jz@...renesas.com>,
        Vincent Mailhol <mailhol.vincent@...adoo.fr>,
        Stefan Mätje <stefan.maetje@....eu>,
        Fabrizio Castro <fabrizio.castro.jz@...esas.com>,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
        Ulrich Hecht <uli+renesas@...nd.eu>,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        linux-can@...r.kernel.org, netdev@...r.kernel.org,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Chris Paterson <Chris.Paterson2@...esas.com>,
        linux-renesas-soc@...r.kernel.org
Subject: [PATCH v2 3/3] can: rcar_canfd: Use devm_reset_control_get_optional_exclusive

Replace devm_reset_control_get_exclusive->devm_reset_control_
get_optional_exclusive so that we can avoid unnecessary
SoC specific check in probe().

Signed-off-by: Biju Das <biju.das.jz@...renesas.com>
---
v1->v2:
 * No change.
---
 drivers/net/can/rcar/rcar_canfd.c | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/drivers/net/can/rcar/rcar_canfd.c b/drivers/net/can/rcar/rcar_canfd.c
index 198da643ee6d..a0dd6044830b 100644
--- a/drivers/net/can/rcar/rcar_canfd.c
+++ b/drivers/net/can/rcar/rcar_canfd.c
@@ -1887,17 +1887,17 @@ static int rcar_canfd_probe(struct platform_device *pdev)
 	gpriv->chip_id = chip_id;
 	gpriv->max_channels = max_channels;
 
-	if (gpriv->chip_id == RENESAS_RZG2L) {
-		gpriv->rstc1 = devm_reset_control_get_exclusive(&pdev->dev, "rstp_n");
-		if (IS_ERR(gpriv->rstc1))
-			return dev_err_probe(&pdev->dev, PTR_ERR(gpriv->rstc1),
-					     "failed to get rstp_n\n");
-
-		gpriv->rstc2 = devm_reset_control_get_exclusive(&pdev->dev, "rstc_n");
-		if (IS_ERR(gpriv->rstc2))
-			return dev_err_probe(&pdev->dev, PTR_ERR(gpriv->rstc2),
-					     "failed to get rstc_n\n");
-	}
+	gpriv->rstc1 = devm_reset_control_get_optional_exclusive(&pdev->dev,
+								 "rstp_n");
+	if (IS_ERR(gpriv->rstc1))
+		return dev_err_probe(&pdev->dev, PTR_ERR(gpriv->rstc1),
+				     "failed to get rstp_n\n");
+
+	gpriv->rstc2 = devm_reset_control_get_optional_exclusive(&pdev->dev,
+								 "rstc_n");
+	if (IS_ERR(gpriv->rstc2))
+		return dev_err_probe(&pdev->dev, PTR_ERR(gpriv->rstc2),
+				     "failed to get rstc_n\n");
 
 	/* Peripheral clock */
 	gpriv->clkp = devm_clk_get(&pdev->dev, "fck");
-- 
2.25.1