Commit 6e3ea062 authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Vinod Koul
Browse files

dmaengine: acpi: Drop unused devm_acpi_dma_controller_free() 



After introduction a few years ago the devm_acpi_dma_controller_free()
was never used. Drop it.

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20241007150436.2183575-2-andriy.shevchenko@linux.intel.com


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent 32172b3e

Documentation/driver-api/driver-model/devres.rst

+0 −1
Original line number Diff line number Diff line
@@ -459,7 +459,6 @@ SERDEV 


SLAVE DMA ENGINE

  devm_acpi_dma_controller_register()

  devm_acpi_dma_controller_free()



SPI

  devm_spi_alloc_master()

drivers/dma/acpi-dma.c

+0 −15
Original line number Diff line number Diff line
@@ -276,21 +276,6 @@ int devm_acpi_dma_controller_register(struct device *dev, 
}

EXPORT_SYMBOL_GPL(devm_acpi_dma_controller_register);



/**

 * devm_acpi_dma_controller_free - resource managed acpi_dma_controller_free()

 * @dev:	device that is unregistering as DMA controller

 *

 * Unregister a DMA controller registered with

 * devm_acpi_dma_controller_register(). Normally this function will not need to

 * be called and the resource management code will ensure that the resource is

 * freed.

 */

void devm_acpi_dma_controller_free(struct device *dev)

{

	WARN_ON(devres_release(dev, devm_acpi_dma_release, NULL, NULL));

}

EXPORT_SYMBOL_GPL(devm_acpi_dma_controller_free);



/**

 * acpi_dma_update_dma_spec - prepare dma specifier to pass to translation function

 * @adma:	struct acpi_dma of DMA controller

include/linux/acpi_dma.h

+0 −4
Original line number Diff line number Diff line
@@ -65,7 +65,6 @@ int devm_acpi_dma_controller_register(struct device *dev, 
		struct dma_chan *(*acpi_dma_xlate)

		(struct acpi_dma_spec *, struct acpi_dma *),

		void *data);

void devm_acpi_dma_controller_free(struct device *dev);



struct dma_chan *acpi_dma_request_slave_chan_by_index(struct device *dev,

						      size_t index);
@@ -94,9 +93,6 @@ static inline int devm_acpi_dma_controller_register(struct device *dev, 
{

	return -ENODEV;

}

static inline void devm_acpi_dma_controller_free(struct device *dev)

{

}



static inline struct dma_chan *acpi_dma_request_slave_chan_by_index(

		struct device *dev, size_t index)