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Subject[PATCH 2/4] 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>
---
drivers/firewire/fw-sbp2.c | 11 ++---------
1 file changed, 2 insertions(+), 9 deletions(-)

Index: linux/drivers/firewire/fw-sbp2.c
===================================================================
--- linux.orig/drivers/firewire/fw-sbp2.c
+++ linux/drivers/firewire/fw-sbp2.c
@@ -174,9 +174,6 @@ struct sbp2_target {
#define SBP2_ORB_NULL 0x80000000
#define SBP2_MAX_SG_ELEMENT_LENGTH 0xf000

-#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
@@ -272,7 +269,7 @@ 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)

@@ -1444,11 +1441,7 @@ static int sbp2_scsi_queuecommand(struct
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;
--
Stefan Richter
-=====-==--- --=- ===--
http://arcgraph.de/sr/


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