[PATCH 12/26] spi: sh-hspi: fix controller deregistration

[Johan Hovold]

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

Fixes: 49e599b8595f ("spi: sh-hspi: control spi clock more correctly")
Cc: stable@xxxxxxxxxxxxxxx	# 3.4
Signed-off-by: Johan Hovold <johan@xxxxxxxxxx>
---
 drivers/spi/spi-sh-hspi.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/spi/spi-sh-hspi.c b/drivers/spi/spi-sh-hspi.c
index e03eaca1b1a7..1e3ca718ca73 100644
--- a/drivers/spi/spi-sh-hspi.c
+++ b/drivers/spi/spi-sh-hspi.c
@@ -257,9 +257,9 @@ static int hspi_probe(struct platform_device *pdev)
 	ctlr->transfer_one_message = hspi_transfer_one_message;
 	ctlr->bits_per_word_mask = SPI_BPW_MASK(8);
 
-	ret = devm_spi_register_controller(&pdev->dev, ctlr);
+	ret = spi_register_controller(ctlr);
 	if (ret < 0) {
-		dev_err(&pdev->dev, "devm_spi_register_controller error.\n");
+		dev_err(&pdev->dev, "failed to register controller\n");
 		goto error2;
 	}
 
@@ -279,9 +279,15 @@ static void hspi_remove(struct platform_device *pdev)
 {
 	struct hspi_priv *hspi = platform_get_drvdata(pdev);
 
+	spi_controller_get(hspi->ctlr);
+
+	spi_unregister_controller(hspi->ctlr);
+
 	pm_runtime_disable(&pdev->dev);
 
 	clk_put(hspi->clk);
+
+	spi_controller_put(hspi->ctlr);
 }
 
 static const struct of_device_id hspi_of_match[] = {
-- 
2.52.0