From: Yang Yingliang <yangyingliang@huawei.com>
To: <linux-kernel@vger.kernel.org>, <linux-spi@vger.kernel.org>,
<linux-riscv@lists.infradead.org>
Cc: <conor.dooley@microchip.com>, <daire.mcnamara@microchip.com>,
<broonie@kernel.org>
Subject: [PATCH -next v2 3/3] spi: microchip-core: switch to use dev_err_probe()
Date: Wed, 13 Jul 2022 10:56:57 +0800 [thread overview]
Message-ID: <20220713025657.3524506-4-yangyingliang@huawei.com> (raw)
In-Reply-To: <20220713025657.3524506-1-yangyingliang@huawei.com>
Switch to use dev_err_probe() to simpify error path.
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
---
drivers/spi/spi-microchip-core.c | 42 +++++++++++++-------------------
1 file changed, 17 insertions(+), 25 deletions(-)
diff --git a/drivers/spi/spi-microchip-core.c b/drivers/spi/spi-microchip-core.c
index 1a24e47f8305..ce4385330b19 100644
--- a/drivers/spi/spi-microchip-core.c
+++ b/drivers/spi/spi-microchip-core.c
@@ -539,48 +539,40 @@ static int mchp_corespi_probe(struct platform_device *pdev)
return PTR_ERR(spi->regs);
spi->irq = platform_get_irq(pdev, 0);
- if (spi->irq <= 0) {
- dev_err(&pdev->dev, "invalid IRQ %d for SPI controller\n", spi->irq);
- return -ENXIO;
- }
+ if (spi->irq <= 0)
+ return dev_err_probe(&pdev->dev, -ENXIO,
+ "invalid IRQ %d for SPI controller\n",
+ spi->irq);
ret = devm_request_irq(&pdev->dev, spi->irq, mchp_corespi_interrupt,
IRQF_SHARED, dev_name(&pdev->dev), master);
- if (ret) {
- dev_err(&pdev->dev, "could not request irq: %d\n", ret);
- return ret;
- }
+ if (ret)
+ return dev_err_probe(&pdev->dev, ret,
+ "could not request irq: %d\n", ret);
spi->clk = devm_clk_get(&pdev->dev, NULL);
- if (IS_ERR(spi->clk)) {
- dev_err(&pdev->dev, "could not get clk: %d\n", ret);
- return PTR_ERR(spi->clk);
- }
+ if (IS_ERR(spi->clk))
+ return dev_err_probe(&pdev->dev, PTR_ERR(spi->clk),
+ "could not get clk: %d\n", ret);
ret = clk_prepare_enable(spi->clk);
- if (ret) {
- dev_err(&pdev->dev, "failed to enable clock\n");
- return ret;
- }
+ if (ret)
+ return dev_err_probe(&pdev->dev, ret,
+ "failed to enable clock\n");
mchp_corespi_init(master, spi);
ret = devm_spi_register_master(&pdev->dev, master);
if (ret) {
- dev_err(&pdev->dev,
- "unable to register master for SPI controller\n");
- goto error_release_hardware;
+ mchp_corespi_disable(spi);
+ clk_disable_unprepare(spi->clk);
+ return dev_err_probe(&pdev->dev, ret,
+ "unable to register master for SPI controller\n");
}
dev_info(&pdev->dev, "Registered SPI controller %d\n", master->bus_num);
return 0;
-
-error_release_hardware:
- mchp_corespi_disable(spi);
- clk_disable_unprepare(spi->clk);
-
- return ret;
}
static int mchp_corespi_remove(struct platform_device *pdev)
--
2.25.1
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next prev parent reply other threads:[~2022-07-13 2:48 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-13 2:56 [PATCH -next v2 0/3] spi: microchip-core: fix and cleanups Yang Yingliang
2022-07-13 2:56 ` [PATCH -next v2 1/3] spi: microchip-core: fix UAF in mchp_corespi_remove() Yang Yingliang
2022-07-13 2:56 ` [PATCH -next v2 2/3] spi: microchip-core: switch to use devm_spi_alloc_master() Yang Yingliang
2022-07-13 2:56 ` Yang Yingliang [this message]
2022-07-13 7:03 ` [PATCH -next v2 0/3] spi: microchip-core: fix and cleanups Conor.Dooley
2022-07-13 14:19 ` Mark Brown
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