linux-kernel - [PATCH v2 18/24] net: stmmac: dwc-qos: Use dev_err

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Message-ID: <20210208135609.7685-19-Sergey.Semin@baikalelectronics.ru>
Date:   Mon, 8 Feb 2021 16:56:02 +0300
From:   Serge Semin <Sergey.Semin@...kalelectronics.ru>
To:     Rob Herring <robh+dt@...nel.org>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Jose Abreu <joabreu@...opsys.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Johan Hovold <johan@...nel.org>,
        Maxime Ripard <mripard@...nel.org>,
        Joao Pinto <jpinto@...opsys.com>,
        Lars Persson <larper@...s.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>
CC:     Serge Semin <Sergey.Semin@...kalelectronics.ru>,
        Serge Semin <fancer.lancer@...il.com>,
        Alexey Malahov <Alexey.Malahov@...kalelectronics.ru>,
        Pavel Parkhomenko <Pavel.Parkhomenko@...kalelectronics.ru>,
        Vyacheslav Mitrofanov 
        <Vyacheslav.Mitrofanov@...kalelectronics.ru>,
        <netdev@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Anson Huang <Anson.Huang@....com>
Subject: [PATCH v2 18/24] net: stmmac: dwc-qos: Use dev_err_probe() for probe errors handling

There is a very handy dev_err_probe() method to handle the deferred probe
error number. It reduces the code size and identations, uniforms error
handling, records the defer probe reason, etc. Use it to print the probe
callback error message.

Signed-off-by: Serge Semin <Sergey.Semin@...kalelectronics.ru>
Cc: Anson Huang <Anson.Huang@....com>
---
 drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c
index 20b3696fb776..b71f0c3faebe 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c
@@ -466,10 +466,8 @@ static int dwc_eth_dwmac_probe(struct platform_device *pdev)
 
 	ret = data->probe(pdev, plat_dat, &stmmac_res);
 	if (ret < 0) {
-		if (ret != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "failed to probe subdriver: %d\n",
-				ret);
-
+		dev_err_probe(&pdev->dev, ret, "failed to probe subdriver: %d\n",
+			      ret);
 		goto remove_config;
 	}
 
-- 
2.29.2