Commit 479623fd authored by Desnes Nunes's avatar Desnes Nunes Committed by Christoph Hellwig
Browse files

dma-debug: small dma_debug_entry's comment and variable name updates 



Small update on dma_debug_entry's struct commentary and also standardize
the usage of 'dma_addr' variable name from debug_dma_map_page() on
debug_dma_unmap_page(), and similarly on debug_dma_free_coherent()

Signed-off-by: default avatarDesnes Nunes <desnesn@redhat.com>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
parent 25a4ce56

kernel/dma/debug.c

+5 −4
Original line number Diff line number Diff line
@@ -53,6 +53,7 @@ enum map_err_types { 
 * struct dma_debug_entry - track a dma_map* or dma_alloc_coherent mapping

 * @list: node on pre-allocated free_entries list

 * @dev: 'dev' argument to dma_map_{page|single|sg} or dma_alloc_coherent

 * @dev_addr: dma address

 * @size: length of the mapping

 * @type: single, page, sg, coherent

 * @direction: enum dma_data_direction
@@ -1262,13 +1263,13 @@ void debug_dma_mapping_error(struct device *dev, dma_addr_t dma_addr) 
}

EXPORT_SYMBOL(debug_dma_mapping_error);



void debug_dma_unmap_page(struct device *dev, dma_addr_t addr,

void debug_dma_unmap_page(struct device *dev, dma_addr_t dma_addr,

			  size_t size, int direction)

{

	struct dma_debug_entry ref = {

		.type           = dma_debug_single,

		.dev            = dev,

		.dev_addr       = addr,

		.dev_addr       = dma_addr,

		.size           = size,

		.direction      = direction,

	};
@@ -1403,13 +1404,13 @@ void debug_dma_alloc_coherent(struct device *dev, size_t size, 
}



void debug_dma_free_coherent(struct device *dev, size_t size,

			 void *virt, dma_addr_t addr)

			 void *virt, dma_addr_t dma_addr)

{

	struct dma_debug_entry ref = {

		.type           = dma_debug_coherent,

		.dev            = dev,

		.offset		= offset_in_page(virt),

		.dev_addr       = addr,

		.dev_addr       = dma_addr,

		.size           = size,

		.direction      = DMA_BIDIRECTIONAL,

	};