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device property: Constify parameter in device_dma_supported() and device_get_dma_attr() 

Constify parameter in device_dma_supported() and device_get_dma_attr()
since they don't alter anything related to it.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Link: https://lore.kernel.org/r/20221004092129.19412-6-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andy Shevchenko 2022-10-04 12:21:29 +03:00 committed by Greg Kroah-Hartman
parent 7952cd2b82
commit 59789f3418
2 changed files with 4 additions and 5 deletions
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4
drivers/base/property.c
View File

@ -871,13 +871,13 @@ unsigned int device_get_child_node_count(const struct device *dev)
}
EXPORT_SYMBOL_GPL(device_get_child_node_count);
bool device_dma_supported(struct device *dev)
bool device_dma_supported(const struct device *dev)
{
return fwnode_call_bool_op(dev_fwnode(dev), device_dma_supported);
}
EXPORT_SYMBOL_GPL(device_dma_supported);
enum dev_dma_attr device_get_dma_attr(struct device *dev)
enum dev_dma_attr device_get_dma_attr(const struct device *dev)
{
if (!fwnode_has_op(dev_fwnode(dev), device_get_dma_attr))
return DEV_DMA_NOT_SUPPORTED;

5
include/linux/property.h
View File

@ -388,9 +388,8 @@ property_entries_dup(const struct property_entry *properties);
void property_entries_free(const struct property_entry *properties);
bool device_dma_supported(struct device *dev);
enum dev_dma_attr device_get_dma_attr(struct device *dev);
bool device_dma_supported(const struct device *dev);
enum dev_dma_attr device_get_dma_attr(const struct device *dev);
const void *device_get_match_data(const struct device *dev);