The driver does not clearly unregister the spi controller.
Therefore calling an unbind and bind again will end up in a
Kernel crash.
The function devm_spi_register_controller will automatically
be unregister the SPI device.
Signed-off-by: Volker Haspel <volker.haspel@linutronix.de>
Signed-off-by: John Ogness <john.ogness@linutronix.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
ctlr->dev.of_node = np;
- ret = spi_register_controller(ctlr);
+ ret = devm_spi_register_controller(dev, ctlr);
if (ret)
goto err_destroy_mutex;