[SCSI] sym2: Remove code to handle DMA_BIDIRECTION requests

The upper layer doesn't send these down since 2.4.x (or 2.6 in
practice), so no need to handle it.  Inline sym_setup_data_pointers
into its only caller so we can fail gracefully in the case we'd get
one neverless.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 0 insertions, 52 deletions

diff --git a/drivers/scsi/sym53c8xx_2/sym_fw2.h b/drivers/scsi/sym53c8xx_2/sym_fw2.h
index 7ea7151f5d1d..851f2706f220 100644
--- a/drivers/scsi/sym53c8xx_2/sym_fw2.h
+++ b/drivers/scsi/sym53c8xx_2/sym_fw2.h
@@ -191,13 +191,6 @@ struct SYM_FWB_SCR {
 	u32 pm_wsr_handle	[ 38];
 	u32 wsr_ma_helper	[  4];
 
-#ifdef SYM_OPT_HANDLE_DIR_UNKNOWN
-	/* Unknown direction handling */
-	u32 data_io		[  2];
-	u32 data_io_in		[  2];
-	u32 data_io_com		[  6];
-	u32 data_io_out		[  8];
-#endif
 	/* Data area */
 	u32 zero		[  1];
 	u32 scratch		[  1];
@@ -1838,51 +1831,6 @@ static struct SYM_FWB_SCR SYM_FWB_SCR = {
 	SCR_JUMP,
 		PADDR_A (dispatch),
 
-#ifdef SYM_OPT_HANDLE_DIR_UNKNOWN
-}/*-------------------------< DATA_IO >--------------------------*/,{
-	/*
-	 *  We jump here if the data direction was unknown at the 
-	 *  time we had to queue the command to the scripts processor.
-	 *  Pointers had been set as follow in this situation:
-	 *    savep   -->   DATA_IO
-	 *    lastp   -->   start pointer when DATA_IN
-	 *    wlastp  -->   start pointer when DATA_OUT
-	 *  This script sets savep and lastp according to the 
-	 *  direction chosen by the target.
-	 */
-	SCR_JUMP ^ IFTRUE (WHEN (SCR_DATA_OUT)),
-		PADDR_B (data_io_out),
-}/*-------------------------< DATA_IO_IN >-----------------------*/,{
-	/*
-	 *  Direction is DATA IN.
-	 */
-	SCR_LOAD_REL  (scratcha, 4),
-		offsetof (struct sym_ccb, phys.head.lastp),
-}/*-------------------------< DATA_IO_COM >----------------------*/,{
-	SCR_STORE_REL (scratcha, 4),
-		offsetof (struct sym_ccb, phys.head.savep),
-
-	/*
-	 *  Jump to the SCRIPTS according to actual direction.
-	 */
-	SCR_LOAD_REL  (temp, 4),
-		offsetof (struct sym_ccb, phys.head.savep),
-	SCR_RETURN,
-		0,
-}/*-------------------------< DATA_IO_OUT >----------------------*/,{
-	/*
-	 *  Direction is DATA OUT.
-	 */
-	SCR_REG_REG (HF_REG, SCR_AND, (~HF_DATA_IN)),
-		0,
-	SCR_LOAD_REL  (scratcha, 4),
-		offsetof (struct sym_ccb, phys.head.wlastp),
-	SCR_STORE_REL (scratcha, 4),
-		offsetof (struct sym_ccb, phys.head.lastp),
-	SCR_JUMP,
-		PADDR_B(data_io_com),
-#endif /* SYM_OPT_HANDLE_DIR_UNKNOWN */
-
 }/*-------------------------< ZERO >-----------------------------*/,{
 	SCR_DATA_ZERO,
 }/*-------------------------< SCRATCH >--------------------------*/,{