linux-kernel - [PATCH -next 2/2] spi: bcm63xx: Fix missing pm_runtime

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Message-ID: <20240819123156.4020377-3-ruanjinjie@huawei.com>
Date: Mon, 19 Aug 2024 20:31:56 +0800
From: Jinjie Ruan <ruanjinjie@...wei.com>
To: <jonas.gorski@...il.com>, <broonie@...nel.org>,
	<linux-spi@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC: <ruanjinjie@...wei.com>
Subject: [PATCH -next 2/2] spi: bcm63xx: Fix missing pm_runtime_disable()

The pm_runtime_disable() is missing in the remove function, fix it
by using devm_pm_runtime_enable(), so the pm_runtime_disable() in
the probe error path can also be removed.

Fixes: 2d13f2ff6073 ("spi: bcm63xx-spi: fix pm_runtime")
Cc: <stable@...r.kernel.org> # v5.13+
Signed-off-by: Jinjie Ruan <ruanjinjie@...wei.com>
Suggested-by: Jonas Gorski <jonas.gorski@...il.com>
---
v2:
- Change the fix way.
- Update the commit message.
- Add Suggested-by and Cc stable.
---
 drivers/spi/spi-bcm63xx.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/spi/spi-bcm63xx.c b/drivers/spi/spi-bcm63xx.c
index 289f8a94980b..2fb79701a525 100644
--- a/drivers/spi/spi-bcm63xx.c
+++ b/drivers/spi/spi-bcm63xx.c
@@ -583,13 +583,15 @@ static int bcm63xx_spi_probe(struct platform_device *pdev)
 
 	bcm_spi_writeb(bs, SPI_INTR_CLEAR_ALL, SPI_INT_STATUS);
 
-	pm_runtime_enable(&pdev->dev);
+	ret = devm_pm_runtime_enable(&pdev->dev);
+	if (ret)
+		goto out_clk_disable;
 
 	/* register and we are done */
 	ret = devm_spi_register_controller(dev, host);
 	if (ret) {
 		dev_err(dev, "spi register failed\n");
-		goto out_pm_disable;
+		goto out_clk_disable;
 	}
 
 	dev_info(dev, "at %pr (irq %d, FIFOs size %d)\n",
@@ -597,8 +599,6 @@ static int bcm63xx_spi_probe(struct platform_device *pdev)
 
 	return 0;
 
-out_pm_disable:
-	pm_runtime_disable(&pdev->dev);
 out_clk_disable:
 	clk_disable_unprepare(clk);
 out_err:
-- 
2.34.1