Commit-ID: 948408ba3e2a67ed0f95e18ed5be1c622c2c5fc3
Gitweb: http://git.kernel.org/tip/948408ba3e2a67ed0f95e18ed5be1c622c2c5fc3
Author: Joerg Roedel <joerg.roedel@xxxxxxx>
AuthorDate: Fri, 9 Jan 2009 14:55:38 +0100
Commit: Joerg Roedel <joerg.roedel@xxxxxxx>
CommitDate: Thu, 5 Mar 2009 20:35:21 +0100
dma-debug: add checks for sync_single_range_*
Impact: add debug callbacks for dma_sync_single_range_for_* functions
Signed-off-by: Joerg Roedel <joerg.roedel@xxxxxxx>
---
include/linux/dma-debug.h | 27 +++++++++++++++++++++++++++
lib/dma-debug.c | 24 ++++++++++++++++++++++++
2 files changed, 51 insertions(+), 0 deletions(-)
diff --git a/include/linux/dma-debug.h b/include/linux/dma-debug.h
index 0eee7af..e9b9035 100644
--- a/include/linux/dma-debug.h
+++ b/include/linux/dma-debug.h
@@ -57,6 +57,17 @@ extern void debug_dma_sync_single_for_device(struct device *dev,
dma_addr_t dma_handle,
size_t size, int direction);
+extern void debug_dma_sync_single_range_for_cpu(struct device *dev,
+ dma_addr_t dma_handle,
+ unsigned long offset,
+ size_t size,
+ int direction);
+
+extern void debug_dma_sync_single_range_for_device(struct device *dev,
+ dma_addr_t dma_handle,
+ unsigned long offset,
+ size_t size, int direction);
+
#else /* CONFIG_DMA_API_DEBUG */
static inline void dma_debug_init(u32 num_entries)
@@ -109,6 +120,22 @@ static inline void debug_dma_sync_single_for_device(struct device *dev,
{
}
+static inline void debug_dma_sync_single_range_for_cpu(struct device *dev,
+ dma_addr_t dma_handle,
+ unsigned long offset,
+ size_t size,
+ int direction)
+{
+}
+
+static inline void debug_dma_sync_single_range_for_device(struct device *dev,
+ dma_addr_t dma_handle,
+ unsigned long offset,
+ size_t size,
+ int direction)
+{
+}
+
#endif /* CONFIG_DMA_API_DEBUG */
#endif /* __DMA_DEBUG_H */
diff --git a/lib/dma-debug.c b/lib/dma-debug.c
index 714cfb6..d1c0ac1 100644
--- a/lib/dma-debug.c
+++ b/lib/dma-debug.c
@@ -758,3 +758,27 @@ void debug_dma_sync_single_for_device(struct device *dev,
}
EXPORT_SYMBOL(debug_dma_sync_single_for_device);
+void debug_dma_sync_single_range_for_cpu(struct device *dev,
+ dma_addr_t dma_handle,
+ unsigned long offset, size_t size,
+ int direction)
+{
+ if (unlikely(global_disable))
+ return;
+
+ check_sync(dev, dma_handle, size, offset, direction, true);
+}
+EXPORT_SYMBOL(debug_dma_sync_single_range_for_cpu);
+
+void debug_dma_sync_single_range_for_device(struct device *dev,
+ dma_addr_t dma_handle,
+ unsigned long offset,
+ size_t size, int direction)
+{
+ if (unlikely(global_disable))
+ return;
+
+ check_sync(dev, dma_handle, size, offset, direction, false);
+}
+EXPORT_SYMBOL(debug_dma_sync_single_range_for_device);
+
--
To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
|