[PATCH 02/20] spi: aspeed-smc: fix controller deregistration

[Johan Hovold]

Make sure to deregister the controller before disabling it to allow
SPI device drivers to do I/O during deregistration.

Fixes: e3228ed92893 ("spi: spi-mem: Convert Aspeed SMC driver to spi-mem")
Cc: stable@xxxxxxxxxxxxxxx	# 5.19
Cc: Cédric Le Goater <clg@xxxxxxxx>
Signed-off-by: Johan Hovold <johan@xxxxxxxxxx>
---
 drivers/spi/spi-aspeed-smc.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/spi/spi-aspeed-smc.c b/drivers/spi/spi-aspeed-smc.c
index 9c286e534bf0..c21323e07d3c 100644
--- a/drivers/spi/spi-aspeed-smc.c
+++ b/drivers/spi/spi-aspeed-smc.c
@@ -972,7 +972,7 @@ static int aspeed_spi_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	aspi = spi_controller_get_devdata(ctlr);
-	platform_set_drvdata(pdev, aspi);
+	platform_set_drvdata(pdev, ctlr);
 	aspi->data = data;
 	aspi->dev = dev;
 
@@ -1021,7 +1021,7 @@ static int aspeed_spi_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	ret = devm_spi_register_controller(dev, ctlr);
+	ret = spi_register_controller(ctlr);
 	if (ret)
 		dev_err(&pdev->dev, "spi_register_controller failed\n");
 
@@ -1030,7 +1030,10 @@ static int aspeed_spi_probe(struct platform_device *pdev)
 
 static void aspeed_spi_remove(struct platform_device *pdev)
 {
-	struct aspeed_spi *aspi = platform_get_drvdata(pdev);
+	struct spi_controller *ctlr = platform_get_drvdata(pdev);
+	struct aspeed_spi *aspi = spi_controller_get_devdata(ctlr);
+
+	spi_unregister_controller(ctlr);
 
 	aspeed_spi_enable(aspi, false);
 }
-- 
2.52.0