[PATCH] spi: Detach spi device from driver when unregister it

[Jeffy Chen]

Make sure spi device detached before unregistering it.

Signed-off-by: Jeffy Chen <jeffy.c...@rock-chips.com>
---

 drivers/spi/spi.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 6e65524cbfd9..9114efb2eb8c 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -648,6 +648,8 @@ void spi_unregister_device(struct spi_device *spi)
        }
        if (ACPI_COMPANION(&spi->dev))
                acpi_device_clear_enumerated(ACPI_COMPANION(&spi->dev));
+
+       device_release_driver(&spi->dev);
        device_unregister(&spi->dev);
 }
 EXPORT_SYMBOL_GPL(spi_unregister_device);
-- 
2.11.0