From cdeaf3a99a02b6f8566bcaacc9c3501c6cceda74 Mon Sep 17 00:00:00 2001 From: Yang Yingliang Date: Wed, 13 Jul 2022 10:56:57 +0800 Subject: [PATCH] spi: microchip-core: switch to use dev_err_probe() Switch to use dev_err_probe() to simpify error path. Signed-off-by: Yang Yingliang Reviewed-by: Conor Dooley Link: https://lore.kernel.org/r/20220713025657.3524506-4-yangyingliang@huawei.com Signed-off-by: Mark Brown --- 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 1a24e47..ce43853 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) -- 2.7.4