diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 4d23ab50a258..eee73ecefe6c 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -2481,7 +2481,6 @@ struct spi_controller *__devm_spi_alloc_controller(struct device *dev, ctlr = __spi_alloc_controller(dev, size, slave); if (ctlr) { - ctlr->devm_allocated = true; *ptr = ctlr; devres_add(dev, ptr); } else { @@ -2828,6 +2827,11 @@ int devm_spi_register_controller(struct device *dev, } EXPORT_SYMBOL_GPL(devm_spi_register_controller); +static int devm_spi_match_controller(struct device *dev, void *res, void *ctlr) +{ + return *(struct spi_controller **)res == ctlr; +} + static int __unregister(struct device *dev, void *null) { spi_unregister_device(to_spi_device(dev)); @@ -2874,7 +2878,8 @@ void spi_unregister_controller(struct spi_controller *ctlr) /* Release the last reference on the controller if its driver * has not yet been converted to devm_spi_alloc_master/slave(). */ - if (!ctlr->devm_allocated) + if (!devres_find(ctlr->dev.parent, devm_spi_release_controller, + devm_spi_match_controller, ctlr)) put_device(&ctlr->dev); /* free bus id */ diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index 2d906b9c1499..b390fdac1587 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -511,9 +511,6 @@ struct spi_controller { #define SPI_MASTER_GPIO_SS BIT(5) /* GPIO CS must select slave */ - /* flag indicating this is a non-devres managed controller */ - bool devm_allocated; - /* flag indicating this is an SPI slave controller */ bool slave;