Linux SPI subsystem development
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From: Johan Hovold <johan@kernel.org>
To: Mark Brown <broonie@kernel.org>
Cc: Eddie James <eajames@linux.ibm.com>,
	Yang Shen <shenyang39@huawei.com>,
	Neil Armstrong <neil.armstrong@linaro.org>,
	Kevin Hilman <khilman@baylibre.com>,
	linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org,
	Johan Hovold <johan@kernel.org>
Subject: [PATCH 08/12] spi: lp8841-rtc: switch to managed controller allocation
Date: Mon, 11 May 2026 17:04:04 +0200	[thread overview]
Message-ID: <20260511150408.796155-9-johan@kernel.org> (raw)
In-Reply-To: <20260511150408.796155-1-johan@kernel.org>

Switch to device managed controller allocation for consistency and to
simplify error handling.

Signed-off-by: Johan Hovold <johan@kernel.org>
---
 drivers/spi/spi-lp8841-rtc.c | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/drivers/spi/spi-lp8841-rtc.c b/drivers/spi/spi-lp8841-rtc.c
index e466866d5e80..355d9df4d1be 100644
--- a/drivers/spi/spi-lp8841-rtc.c
+++ b/drivers/spi/spi-lp8841-rtc.c
@@ -185,7 +185,7 @@ spi_lp8841_rtc_probe(struct platform_device *pdev)
 	struct spi_controller		*host;
 	struct spi_lp8841_rtc		*data;
 
-	host = spi_alloc_host(&pdev->dev, sizeof(*data));
+	host = devm_spi_alloc_host(&pdev->dev, sizeof(*data));
 	if (!host)
 		return -ENOMEM;
 	platform_set_drvdata(pdev, host);
@@ -208,23 +208,17 @@ spi_lp8841_rtc_probe(struct platform_device *pdev)
 	ret = PTR_ERR_OR_ZERO(data->iomem);
 	if (ret) {
 		dev_err(&pdev->dev, "failed to get IO address\n");
-		goto err_put_host;
+		return ret;
 	}
 
 	/* register with the SPI framework */
 	ret = devm_spi_register_controller(&pdev->dev, host);
 	if (ret) {
 		dev_err(&pdev->dev, "cannot register spi host\n");
-		goto err_put_host;
+		return ret;
 	}
 
-	return ret;
-
-
-err_put_host:
-	spi_controller_put(host);
-
-	return ret;
+	return 0;
 }
 
 MODULE_ALIAS("platform:" DRIVER_NAME);
-- 
2.53.0


  parent reply	other threads:[~2026-05-11 15:04 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-05-11 15:03 [PATCH 00/12] spi: switch to managed controller allocation (part 3/3) Johan Hovold
2026-05-11 15:03 ` [PATCH 01/12] spi: altera-platform: switch to managed controller allocation Johan Hovold
2026-05-11 15:03 ` [PATCH 02/12] spi: armada-3700: " Johan Hovold
2026-05-11 15:03 ` [PATCH 03/12] spi: clps711x: " Johan Hovold
2026-05-11 15:04 ` [PATCH 04/12] spi: falcon: " Johan Hovold
2026-05-11 15:04 ` [PATCH 05/12] spi: fsi: " Johan Hovold
2026-05-11 15:04 ` [PATCH 06/12] spi: hisi-sfc-v3xx: " Johan Hovold
2026-05-11 15:04 ` [PATCH 07/12] spi: jcore: " Johan Hovold
2026-05-11 15:04 ` Johan Hovold [this message]
2026-05-11 15:04 ` [PATCH 09/12] spi: lp8841-rtc: drop unused ifdef Johan Hovold
2026-05-11 15:04 ` [PATCH 10/12] spi: meson-spifc: switch to managed controller allocation Johan Hovold
2026-05-11 15:04 ` [PATCH 11/12] spi: mux: " Johan Hovold
2026-05-11 15:04 ` [PATCH 12/12] spi: xlp: " Johan Hovold

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