After introduction a few years ago the devm_acpi_dma_controller_free()
was never used. Drop it.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
Documentation/driver-api/driver-model/devres.rst | 1 -
drivers/dma/acpi-dma.c | 15 ---------------
include/linux/acpi_dma.h | 4 ----
3 files changed, 20 deletions(-)
diff --git a/Documentation/driver-api/driver-model/devres.rst b/Documentation/driver-api/driver-model/devres.rst
index 5f2ee8d717b1..f23dbe5d6606 100644
--- a/Documentation/driver-api/driver-model/devres.rst
+++ b/Documentation/driver-api/driver-model/devres.rst
@@ -459,7 +459,6 @@ SERDEV
SLAVE DMA ENGINE
devm_acpi_dma_controller_register()
- devm_acpi_dma_controller_free()
SPI
devm_spi_alloc_master()
diff --git a/drivers/dma/acpi-dma.c b/drivers/dma/acpi-dma.c
index a58a1600dd65..d5beb96ef510 100644
--- a/drivers/dma/acpi-dma.c
+++ b/drivers/dma/acpi-dma.c
@@ -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
diff --git a/include/linux/acpi_dma.h b/include/linux/acpi_dma.h
index 72cedb916a9c..3ef1ec7a04cb 100644
--- a/include/linux/acpi_dma.h
+++ b/include/linux/acpi_dma.h
@@ -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)
--
2.43.0.rc1.1336.g36b5255a03ac
