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Message-Id: <20230316140912.1038404-2-desnesn@redhat.com>
Date:   Thu, 16 Mar 2023 11:09:10 -0300
From:   Desnes Nunes <desnesn@...hat.com>
To:     iommu@...ts.linux.dev, linux-scsi@...r.kernel.org,
        storagedev@...rochip.com, linux-kernel@...r.kernel.org
Cc:     hch@....de, martin.petersen@...cle.com, don.brace@...rochip.com,
        m.szyprowski@...sung.com, robin.murphy@....com, jejb@...ux.ibm.com,
        jsnitsel@...hat.com, Desnes Nunes <desnesn@...hat.com>
Subject: [PATCH v2 1/3] 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: Desnes Nunes <desnesn@...hat.com>
---
V1 -> V2: Updated comment properly

 kernel/dma/debug.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/kernel/dma/debug.c b/kernel/dma/debug.c
index 18c93c2276ca..9aa5100d0d7e 100644
--- a/kernel/dma/debug.c
+++ b/kernel/dma/debug.c
@@ -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,
 	};
-- 
2.39.1

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