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From:   Tudor Ambarus <tudor.ambarus@microchip.com>
To:     <vkoul@kernel.org>, <peda@axentia.se>, <du@axentia.se>
CC:     <maciej.sosnowski@intel.com>, <nicolas.ferre@microchip.com>,
        <mripard@kernel.org>, <torfl6749@gmail.com>,
        <linux-kernel@vger.kernel.org>, <dmaengine@vger.kernel.org>,
        <linux-arm-kernel@lists.infradead.org>,
        "Tudor Ambarus" <tudor.ambarus@microchip.com>
Subject: [PATCH v2 24/32] dmaengine: at_hdmac: Use devm_clk_get()
Date:   Tue, 25 Oct 2022 12:02:58 +0300
Message-ID: <20221025090306.297886-25-tudor.ambarus@microchip.com>
In-Reply-To: <20221025090306.297886-1-tudor.ambarus@microchip.com>
References: <20221025090306.297886-1-tudor.ambarus@microchip.com>
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Clocks that are get with this method will be automatically put on driver
detach. Use devm_clk_get() and simplify the error handling.

Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
---
 drivers/dma/at_hdmac.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c
index 10c250618a33..444aa7d75ff5 100644
--- a/drivers/dma/at_hdmac.c
+++ b/drivers/dma/at_hdmac.c
@@ -1803,13 +1803,13 @@ static int __init at_dma_probe(struct platform_device *pdev)
 	atdma->dma_common.cap_mask = plat_dat->cap_mask;
 	atdma->all_chan_mask = (1 << plat_dat->nr_channels) - 1;
 
-	atdma->clk = clk_get(&pdev->dev, "dma_clk");
+	atdma->clk = devm_clk_get(&pdev->dev, "dma_clk");
 	if (IS_ERR(atdma->clk))
 		return PTR_ERR(atdma->clk);
 
 	err = clk_prepare_enable(atdma->clk);
 	if (err)
-		goto err_clk_prepare;
+		return err;
 
 	/* force dma off, just in case */
 	at_dma_off(atdma);
@@ -1942,8 +1942,6 @@ static int __init at_dma_probe(struct platform_device *pdev)
 	free_irq(platform_get_irq(pdev, 0), atdma);
 err_irq:
 	clk_disable_unprepare(atdma->clk);
-err_clk_prepare:
-	clk_put(atdma->clk);
 	return err;
 }
 
@@ -1973,7 +1971,6 @@ static int at_dma_remove(struct platform_device *pdev)
 	}
 
 	clk_disable_unprepare(atdma->clk);
-	clk_put(atdma->clk);
 
 	return 0;
 }
-- 
2.25.1