Thread (6 messages) 6 messages, 3 authors, 2024-08-30

RE: [PATCH -next 2/2] spi: bcmbca-hsspi: Use devm_spi_alloc_host()

From: William Zhang <william.zhang@broadcom.com>
Date: 2024-08-28 19:09:21
Also in: linux-spi, lkml

Hi Jinjie,
-----Original Message-----
From: Jinjie Ruan <redacted>
Sent: Monday, August 26, 2024 5:49 AM
To: william.zhang@broadcom.com; kursad.oney@broadcom.com;
jonas.gorski@gmail.com; bcm-kernel-feedback-list@broadcom.com;
broonie@kernel.org; anand.gore@broadcom.com;
florian.fainelli@broadcom.com; rafal@milecki.pl;
linux-spi@vger.kernel.org;
quoted hunk ↗ jump to hunk
linux-arm-kernel@lists.infradead.org; linux-kernel@vger.kernel.org
Cc: ruanjinjie@huawei.com
Subject: [PATCH -next 2/2] spi: bcmbca-hsspi: Use devm_spi_alloc_host()

Use devm_spi_alloc_host() so that there's no need to call
spi_controller_put() in the error path.

Signed-off-by: Jinjie Ruan <redacted>
---
 drivers/spi/spi-bcmbca-hsspi.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)
diff --git a/drivers/spi/spi-bcmbca-hsspi.c
b/drivers/spi/spi-bcmbca-hsspi.c
quoted hunk ↗ jump to hunk
index f465daa473d0..d936104a41ec 100644
--- a/drivers/spi/spi-bcmbca-hsspi.c
+++ b/drivers/spi/spi-bcmbca-hsspi.c
@@ -480,7 +480,7 @@ static int bcmbca_hsspi_probe(struct
platform_device *pdev)
 		}
 	}

-	host = spi_alloc_host(&pdev->dev, sizeof(*bs));
+	host = devm_spi_alloc_host(&pdev->dev, sizeof(*bs));
 	if (!host) {
 		ret = -ENOMEM;
 		goto out_disable_pll_clk;
@@ -536,17 +536,17 @@ static int bcmbca_hsspi_probe(struct
platform_device *pdev)
 		ret = devm_request_irq(dev, irq, bcmbca_hsspi_interrupt,
IRQF_SHARED,
 			       pdev->name, bs);
 		if (ret)
-			goto out_put_host;
+			goto out_disable_pll_clk;
 	}

 	ret = devm_pm_runtime_enable(&pdev->dev);
 	if (ret)
-		goto out_put_host;
+		goto out_disable_pll_clk;

 	ret = sysfs_create_group(&pdev->dev.kobj, &bcmbca_hsspi_group);
 	if (ret) {
 		dev_err(&pdev->dev, "couldn't register sysfs group\n");
-		goto out_put_host;
+		goto out_disable_pll_clk;
 	}

 	/* register and we are done */
@@ -560,8 +560,6 @@ static int bcmbca_hsspi_probe(struct
platform_device *pdev)

 out_sysgroup_disable:
 	sysfs_remove_group(&pdev->dev.kobj, &bcmbca_hsspi_group);
-out_put_host:
-	spi_controller_put(host);
 out_disable_pll_clk:
 	clk_disable_unprepare(pll_clk);
 out_disable_clk:
--
2.34.1
Reviewed-by: William Zhang <william.zhang@broadcom.com>

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