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spi: mxs: fix controller deregistration

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Make sure to deregister the controller before releasing underlying
resources like DMA during driver unbind.

Fixes: 33e195acf2 ("spi: mxs: use devm_spi_register_master()")
Cc: stable@vger.kernel.org	# 3.13
Cc: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://patch.msgid.link/20260410081757.503099-4-johan@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Johan Hovold 2026-04-10 10:17:33 +02:00 committed by Mark Brown
parent 76336f2493
commit 8b0d0011af
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GPG Key ID: 24D68B725D5487D0
1 changed files with 7 additions and 1 deletions
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8
drivers/spi/spi-mxs.c
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@ -619,7 +619,7 @@ static int mxs_spi_probe(struct platform_device *pdev)
if (ret)
goto out_pm_runtime_put;
ret = devm_spi_register_controller(&pdev->dev, host);
ret = spi_register_controller(host);
if (ret) {
dev_err(&pdev->dev, "Cannot register SPI host, %d\n", ret);
goto out_pm_runtime_put;
@ -650,11 +650,17 @@ static void mxs_spi_remove(struct platform_device *pdev)
spi = spi_controller_get_devdata(host);
ssp = &spi->ssp;
spi_controller_get(host);
spi_unregister_controller(host);
pm_runtime_disable(&pdev->dev);
if (!pm_runtime_status_suspended(&pdev->dev))
mxs_spi_runtime_suspend(&pdev->dev);
dma_release_channel(ssp->dmach);
spi_controller_put(host);
}
static struct platform_driver mxs_spi_driver = {