Linux CAN drivers development
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From: Marc Kleine-Budde <mkl@pengutronix.de>
To: netdev@vger.kernel.org
Cc: davem@davemloft.net, kuba@kernel.org, linux-can@vger.kernel.org,
	kernel@pengutronix.de,
	Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
	Vincent Mailhol <mailhol.vincent@wanadoo.fr>,
	Marc Kleine-Budde <mkl@pengutronix.de>
Subject: [PATCH net-next 01/12] can: c_can: Drop useless final probe failure message
Date: Wed, 19 Feb 2025 12:21:06 +0100	[thread overview]
Message-ID: <20250219113354.529611-2-mkl@pengutronix.de> (raw)
In-Reply-To: <20250219113354.529611-1-mkl@pengutronix.de>

From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Generic probe failure message is useless: does not give information what
failed and it duplicates messages provided by the core, e.g. from memory
allocation or platform_get_irq().  It also floods dmesg in case of
deferred probe, e.g. resulting from devm_clk_get().

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
Link: https://patch.msgid.link/20250212-syscon-phandle-args-can-v2-1-ac9a1253396b@linaro.org
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
---
 drivers/net/can/c_can/c_can_platform.c | 26 ++++++++------------------
 1 file changed, 8 insertions(+), 18 deletions(-)

diff --git a/drivers/net/can/c_can/c_can_platform.c b/drivers/net/can/c_can/c_can_platform.c
index 399844809bbe..8968b6288ac7 100644
--- a/drivers/net/can/c_can/c_can_platform.c
+++ b/drivers/net/can/c_can/c_can_platform.c
@@ -269,30 +269,22 @@ static int c_can_plat_probe(struct platform_device *pdev)
 
 	/* get the appropriate clk */
 	clk = devm_clk_get(&pdev->dev, NULL);
-	if (IS_ERR(clk)) {
-		ret = PTR_ERR(clk);
-		goto exit;
-	}
+	if (IS_ERR(clk))
+		return PTR_ERR(clk);
 
 	/* get the platform data */
 	irq = platform_get_irq(pdev, 0);
-	if (irq < 0) {
-		ret = irq;
-		goto exit;
-	}
+	if (irq < 0)
+		return irq;
 
 	addr = devm_platform_get_and_ioremap_resource(pdev, 0, &mem);
-	if (IS_ERR(addr)) {
-		ret =  PTR_ERR(addr);
-		goto exit;
-	}
+	if (IS_ERR(addr))
+		return PTR_ERR(addr);
 
 	/* allocate the c_can device */
 	dev = alloc_c_can_dev(drvdata->msg_obj_num);
-	if (!dev) {
-		ret = -ENOMEM;
-		goto exit;
-	}
+	if (!dev)
+		return -ENOMEM;
 
 	priv = netdev_priv(dev);
 	switch (drvdata->id) {
@@ -396,8 +388,6 @@ static int c_can_plat_probe(struct platform_device *pdev)
 	pm_runtime_disable(priv->device);
 exit_free_device:
 	free_c_can_dev(dev);
-exit:
-	dev_err(&pdev->dev, "probe failed\n");
 
 	return ret;
 }

base-commit: aefd232de5eb2e77e3fc58c56486c7fe7426a228
-- 
2.47.2



  reply	other threads:[~2025-02-19 11:34 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-02-19 11:21 [PATCH net-next 0/12] pull-request: can-next 2025-02-19 Marc Kleine-Budde
2025-02-19 11:21 ` Marc Kleine-Budde [this message]
2025-02-20  9:40   ` [PATCH net-next 01/12] can: c_can: Drop useless final probe failure message patchwork-bot+netdevbpf
2025-02-19 11:21 ` [PATCH net-next 02/12] can: c_can: Simplify handling syscon error path Marc Kleine-Budde
2025-02-19 11:21 ` [PATCH net-next 03/12] can: c_can: Use of_property_present() to test existence of DT property Marc Kleine-Budde
2025-02-19 11:21 ` [PATCH net-next 04/12] can: c_can: Use syscon_regmap_lookup_by_phandle_args Marc Kleine-Budde
2025-02-19 11:21 ` [PATCH net-next 05/12] dt-bindings: can: fsl,flexcan: add S32G2/S32G3 SoC support Marc Kleine-Budde
2025-02-19 11:21 ` [PATCH net-next 06/12] can: flexcan: Add quirk to handle separate interrupt lines for mailboxes Marc Kleine-Budde
2025-02-19 11:21 ` [PATCH net-next 07/12] can: flexcan: add NXP S32G2/S32G3 SoC support Marc Kleine-Budde
2025-02-19 11:21 ` [PATCH net-next 08/12] dt-binding: can: mcp251xfd: remove duplicate word Marc Kleine-Budde
2025-02-19 11:21 ` [PATCH net-next 09/12] can: j1939: Extend stack documentation with buffer size behavior Marc Kleine-Budde
2025-02-19 11:21 ` [PATCH net-next 10/12] can: canxl: support Remote Request Substitution bit access Marc Kleine-Budde
2025-02-19 11:21 ` [PATCH net-next 11/12] can: gs_usb: add VID/PID for the CANnectivity firmware Marc Kleine-Budde
2025-02-19 11:21 ` [PATCH net-next 12/12] can: rockchip_canfd: rkcanfd_chip_fifo_setup(): remove duplicated setup of RX FIFO Marc Kleine-Budde
2025-02-20  9:23 ` [PATCH net-next 0/12] pull-request: can-next 2025-02-19 Paolo Abeni
2025-02-20  9:27   ` Marc Kleine-Budde

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