diff mbox series

[-next,6/6] spi: altera: Switch to use devm_spi_alloc_master()

Message ID 20220920134819.2981033-7-yangyingliang@huawei.com
State New
Headers show
Series spi: Switch to use devm_spi_alloc_master() in some drivers | expand

Commit Message

Yang Yingliang Sept. 20, 2022, 1:48 p.m. UTC 
Switch to use devm_spi_alloc_master() to simpify error path.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
---
 drivers/spi/spi-altera-platform.c | 23 ++++++++---------------
 1 file changed, 8 insertions(+), 15 deletions(-)
diff mbox series

Patch

diff --git a/drivers/spi/spi-altera-platform.c b/drivers/spi/spi-altera-platform.c
index 65147aae82a1..376df7b6f543 100644
--- a/drivers/spi/spi-altera-platform.c
+++ b/drivers/spi/spi-altera-platform.c
@@ -43,7 +43,7 @@  static int altera_spi_probe(struct platform_device *pdev)
 	int err = -ENODEV;
 	u16 i;
 
-	master = spi_alloc_master(&pdev->dev, sizeof(struct altera_spi));
+	master = devm_spi_alloc_master(&pdev->dev, sizeof(struct altera_spi));
 	if (!master)
 		return err;
 
@@ -55,8 +55,7 @@  static int altera_spi_probe(struct platform_device *pdev)
 			dev_err(&pdev->dev,
 				"Invalid number of chipselect: %u\n",
 				pdata->num_chipselect);
-			err = -EINVAL;
-			goto exit;
+			return -EINVAL;
 		}
 
 		master->num_chipselect = pdata->num_chipselect;
@@ -83,7 +82,7 @@  static int altera_spi_probe(struct platform_device *pdev)
 		hw->regmap = dev_get_regmap(pdev->dev.parent, NULL);
 		if (!hw->regmap) {
 			dev_err(&pdev->dev, "get regmap failed\n");
-			goto exit;
+			return err;
 		}
 
 		regoff = platform_get_resource(pdev, IORESOURCE_REG, 0);
@@ -93,17 +92,14 @@  static int altera_spi_probe(struct platform_device *pdev)
 		void __iomem *res;
 
 		res = devm_platform_ioremap_resource(pdev, 0);
-		if (IS_ERR(res)) {
-			err = PTR_ERR(res);
-			goto exit;
-		}
+		if (IS_ERR(res))
+			return PTR_ERR(res);
 
 		hw->regmap = devm_regmap_init_mmio(&pdev->dev, res,
 						   &spi_altera_config);
 		if (IS_ERR(hw->regmap)) {
 			dev_err(&pdev->dev, "regmap mmio init failed\n");
-			err = PTR_ERR(hw->regmap);
-			goto exit;
+			return PTR_ERR(hw->regmap);
 		}
 	}
 
@@ -115,12 +111,12 @@  static int altera_spi_probe(struct platform_device *pdev)
 		err = devm_request_irq(&pdev->dev, hw->irq, altera_spi_irq, 0,
 				       pdev->name, master);
 		if (err)
-			goto exit;
+			return err;
 	}
 
 	err = devm_spi_register_master(&pdev->dev, master);
 	if (err)
-		goto exit;
+		return err;
 
 	if (pdata) {
 		for (i = 0; i < pdata->num_devices; i++) {
@@ -134,9 +130,6 @@  static int altera_spi_probe(struct platform_device *pdev)
 	dev_info(&pdev->dev, "regoff %u, irq %d\n", hw->regoff, hw->irq);
 
 	return 0;
-exit:
-	spi_master_put(master);
-	return err;
 }
 
 #ifdef CONFIG_OF