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firewire: fw-sbp2: simplify some macros 

How hard can it be to switch on one bit? :-)

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
This commit is contained in:
Stefan Richter 2008-02-28 20:52:02 +01:00
parent 71ee9f01f2
commit 0d7dcbf2a3
1 changed files with 2 additions and 9 deletions
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11
drivers/firewire/fw-sbp2.c
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@ -175,9 +175,6 @@ struct sbp2_target {
#define SBP2_MAX_SG_ELEMENT_LENGTH 0xf000
#define SBP2_RETRY_LIMIT 0xf /* 15 retries */
#define SBP2_DIRECTION_TO_MEDIA 0x0
#define SBP2_DIRECTION_FROM_MEDIA 0x1
/* Unit directory keys */
#define SBP2_CSR_UNIT_CHARACTERISTICS 0x3a
#define SBP2_CSR_FIRMWARE_REVISION 0x3c
@ -273,7 +270,7 @@ struct sbp2_login_response {
#define COMMAND_ORB_PAGE_TABLE_PRESENT ((1) << 19)
#define COMMAND_ORB_MAX_PAYLOAD(v) ((v) << 20)
#define COMMAND_ORB_SPEED(v) ((v) << 24)
#define COMMAND_ORB_DIRECTION(v) ((v) << 27)
#define COMMAND_ORB_DIRECTION ((1) << 27)
#define COMMAND_ORB_REQUEST_FORMAT(v) ((v) << 29)
#define COMMAND_ORB_NOTIFY ((1) << 31)
@ -1472,11 +1469,7 @@ static int sbp2_scsi_queuecommand(struct scsi_cmnd *cmd, scsi_done_fn_t done)
COMMAND_ORB_NOTIFY);
if (cmd->sc_data_direction == DMA_FROM_DEVICE)
orb->request.misc |= cpu_to_be32(
COMMAND_ORB_DIRECTION(SBP2_DIRECTION_FROM_MEDIA));
else if (cmd->sc_data_direction == DMA_TO_DEVICE)
orb->request.misc |= cpu_to_be32(
COMMAND_ORB_DIRECTION(SBP2_DIRECTION_TO_MEDIA));
orb->request.misc |= cpu_to_be32(COMMAND_ORB_DIRECTION);
if (scsi_sg_count(cmd) && sbp2_map_scatterlist(orb, device, lu) < 0)
goto out;