spi: tegra114: fix controller deregistration

[ Upstream commit 9c9c27f ]

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

Fixes: 5c80964 ("spi: tegra114: 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/20260410081757.503099-22-johan@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
[ kept `host->dev.of_node = pdev->dev.of_node;` context line above the `spi_register_controller()` conversion ]
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: jhovold

drivers/spi/spi-tegra114.c

@@ -1416,7 +1416,7 @@ static int tegra_spi_probe(struct platform_device *pdev)
 	}
 
 	host->dev.of_node = pdev->dev.of_node;
-	ret = devm_spi_register_controller(&pdev->dev, host);
+	ret = spi_register_controller(host);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "can not register to host err %d\n", ret);
 		goto exit_free_irq;
@@ -1442,6 +1442,10 @@ static void tegra_spi_remove(struct platform_device *pdev)
 	struct spi_controller *host = platform_get_drvdata(pdev);
 	struct tegra_spi_data	*tspi = spi_controller_get_devdata(host);
 
+	spi_controller_get(host);
+
+	spi_unregister_controller(host);
+
 	free_irq(tspi->irq, tspi);
 
 	if (tspi->tx_dma_chan)
@@ -1453,6 +1457,8 @@ static void tegra_spi_remove(struct platform_device *pdev)
 	pm_runtime_disable(&pdev->dev);
 	if (!pm_runtime_status_suspended(&pdev->dev))
 		tegra_spi_runtime_suspend(&pdev->dev);
+
+	spi_controller_put(host);
 }
 
 #ifdef CONFIG_PM_SLEEP