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Commit 6552731a authored by Stefan Richter's avatar Stefan Richter
Browse files

ieee1394: add comments in struct hpsb_packet 



to clarify who is supposed to set what

Signed-off-by: default avatarStefan Richter <stefanr@s5r6.in-berlin.de>
parent 17a62486

drivers/ieee1394/ieee1394_core.h

+7 −3
Original line number Diff line number Diff line
@@ -37,7 +37,7 @@ struct hpsb_packet { 
		hpsb_unused, hpsb_queued, hpsb_pending, hpsb_complete

	} __attribute__((packed)) state;



	/* These are core internal. */

	/* These are core-internal. */

	signed char tlabel;

	signed char ack_code;

	unsigned char tcode;
@@ -62,11 +62,15 @@ struct hpsb_packet { 
	/* Store jiffies for implementing bus timeouts. */

	unsigned long sendtime;



	/* Sizes are in bytes. *data can be DMA-mapped. */

	/* Core-internal.  */

	size_t allocated_data_size;	/* as allocated */



	/* Sizes are in bytes. To be set by caller of hpsb_alloc_packet. */

	size_t data_size;		/* as filled in */

	size_t header_size;		/* as filled in, not counting the CRC */

	quadlet_t *data;



	/* Buffers */

	quadlet_t *data;		/* can be DMA-mapped */

	quadlet_t header[5];

	quadlet_t embedded_data[0];	/* keep as last member */

};