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>
This commit is contained in:
Johan Hovold
2026-05-05 09:29:03 +02:00
committed by Mark Brown
parent 9864636b1c
commit 5d5bbf177d

View File

@@ -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 @@ static int synquacer_spi_probe(struct platform_device *pdev)
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)