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>

diff --git a/drivers/base/property.c b/drivers/base/property.c
index d3ea5f8..68f61d3 100644 (file)
--- a/drivers/base/property.c
+++ b/drivers/base/property.c
@@ -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;

diff --git a/include/linux/property.h b/include/linux/property.h
index 472689e..83674f9 100644 (file)
--- a/include/linux/property.h
+++ b/include/linux/property.h
@@ -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);