Title: [6518] trunk/arch/blackfin/include/asm/dma.h: rewrite dma desc comment -- internal SRAM doesnt matter as the dma engine can access that, it is the buffers between the core and the internal SRAM we need to sync
Revision
6518
Author
vapier
Date
2009-05-31 23:34:27 -0500 (Sun, 31 May 2009)

Log Message

rewrite dma desc comment -- internal SRAM doesnt matter as the dma engine can access that, it is the buffers between the core and the internal SRAM we need to sync

Modified Paths

Diff

Modified: trunk/arch/blackfin/include/asm/dma.h (6517 => 6518)


--- trunk/arch/blackfin/include/asm/dma.h	2009-05-31 13:38:59 UTC (rev 6517)
+++ trunk/arch/blackfin/include/asm/dma.h	2009-06-01 04:34:27 UTC (rev 6518)
@@ -206,10 +206,9 @@
 
 static inline void set_dma_sg(unsigned int channel, struct dmasg *sg, int ndsize)
 {
-	/* The descriptor buffers may be located in core internal SRAM.
-	 * Make sure the descriptor buffers in the core are drained
-	 * so that the DMA descriptors are completely written before
-	 * the DMA engine goes to fetch them.
+	/* Make sure the internal data buffers in the core are drained
+	 * so that the DMA descriptors are completely written when the
+	 * DMA engine goes to fetch them below.
 	 */
 	SSYNC();
 
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