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authorJohan Hovold <johan@kernel.org>2026-05-05 10:29:03 +0300
committerMark Brown <broonie@kernel.org>2026-05-11 03:55:50 +0300
commit5d5bbf177d18bdec01b9356f85d5883cbc6acf29 (patch)
tree1cbd1627ef718af174f8b77c422e28de2def11e2
parent9864636b1cd95dd2b3c702a2ff22e9d169f6523a (diff)
downloadlinux-5d5bbf177d18bdec01b9356f85d5883cbc6acf29.tar.xz
spi: syncuacer: switch to managed controller allocation
Switch to device managed controller allocation to simplify error handling and to avoid having to take another reference during deregistration. Signed-off-by: Johan Hovold <johan@kernel.org> Link: https://patch.msgid.link/20260505072909.618363-15-johan@kernel.org Signed-off-by: Mark Brown <broonie@kernel.org>
-rw-r--r--drivers/spi/spi-synquacer.c24
1 files changed, 7 insertions, 17 deletions
diff --git a/drivers/spi/spi-synquacer.c b/drivers/spi/spi-synquacer.c
index 290c439897c4..c14225e39fd1 100644
--- a/drivers/spi/spi-synquacer.c
+++ b/drivers/spi/spi-synquacer.c
@@ -605,7 +605,7 @@ static int synquacer_spi_probe(struct platform_device *pdev)
int ret;
int rx_irq, tx_irq;
- host = spi_alloc_host(&pdev->dev, sizeof(*sspi));
+ host = devm_spi_alloc_host(&pdev->dev, sizeof(*sspi));
if (!host)
return -ENOMEM;
@@ -617,10 +617,8 @@ static int synquacer_spi_probe(struct platform_device *pdev)
init_completion(&sspi->transfer_done);
sspi->regs = devm_platform_ioremap_resource(pdev, 0);
- if (IS_ERR(sspi->regs)) {
- ret = PTR_ERR(sspi->regs);
- goto put_spi;
- }
+ if (IS_ERR(sspi->regs))
+ return PTR_ERR(sspi->regs);
sspi->clk_src_type = SYNQUACER_HSSPI_CLOCK_SRC_IHCLK; /* Default */
device_property_read_u32(&pdev->dev, "socionext,ihclk-rate",
@@ -637,21 +635,19 @@ static int synquacer_spi_probe(struct platform_device *pdev)
sspi->clk = devm_clk_get(sspi->dev, "iPCLK");
} else {
dev_err(&pdev->dev, "specified wrong clock source\n");
- ret = -EINVAL;
- goto put_spi;
+ return -EINVAL;
}
if (IS_ERR(sspi->clk)) {
- ret = dev_err_probe(&pdev->dev, PTR_ERR(sspi->clk),
- "clock not found\n");
- goto put_spi;
+ return dev_err_probe(&pdev->dev, PTR_ERR(sspi->clk),
+ "clock not found\n");
}
ret = clk_prepare_enable(sspi->clk);
if (ret) {
dev_err(&pdev->dev, "failed to enable clock (%d)\n",
ret);
- goto put_spi;
+ return ret;
}
host->max_speed_hz = clk_get_rate(sspi->clk);
@@ -726,8 +722,6 @@ disable_pm:
pm_runtime_disable(sspi->dev);
disable_clk:
clk_disable_unprepare(sspi->clk);
-put_spi:
- spi_controller_put(host);
return ret;
}
@@ -737,15 +731,11 @@ static void synquacer_spi_remove(struct platform_device *pdev)
struct spi_controller *host = platform_get_drvdata(pdev);
struct synquacer_spi *sspi = spi_controller_get_devdata(host);
- spi_controller_get(host);
-
spi_unregister_controller(host);
pm_runtime_disable(sspi->dev);
clk_disable_unprepare(sspi->clk);
-
- spi_controller_put(host);
}
static int __maybe_unused synquacer_spi_suspend(struct device *dev)