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spi: sun6i: fix controller deregistration

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Make sure to deregister the controller before disabling underlying
resources like clocks during driver unbind.

Fixes: 3558fe900e ("spi: sunxi: Add Allwinner A31 SPI controller driver")
Cc: stable@vger.kernel.org	# 3.15
Cc: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://patch.msgid.link/20260410081757.503099-20-johan@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Johan Hovold
2026-04-10 10:17:49 +02:00
committed by Mark Brown
parent 42108a2f03
commit d874a1c33a
1 changed files with 7 additions and 1 deletions
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8
drivers/spi/spi-sun6i.c
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@@ -742,7 +742,7 @@ static int sun6i_spi_probe(struct platform_device *pdev)
pm_runtime_set_active(&pdev->dev);
pm_runtime_enable(&pdev->dev);
ret = devm_spi_register_controller(&pdev->dev, host);
ret = spi_register_controller(host);
if (ret) {
dev_err(&pdev->dev, "cannot register SPI host\n");
goto err_pm_disable;
@@ -768,12 +768,18 @@ static void sun6i_spi_remove(struct platform_device *pdev)
{
struct spi_controller *host = platform_get_drvdata(pdev);
spi_controller_get(host);
spi_unregister_controller(host);
pm_runtime_force_suspend(&pdev->dev);
if (host->dma_tx)
dma_release_channel(host->dma_tx);
if (host->dma_rx)
dma_release_channel(host->dma_rx);
spi_controller_put(host);
}
static const struct sun6i_spi_cfg sun6i_a31_spi_cfg = {