[SCSI] aic7xxx: update .reg files
Update .reg files, marking unused registers with dont_generate_debug_code.
Comment explains how to use it.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
diff --git a/drivers/scsi/aic7xxx/aic7xxx.reg b/drivers/scsi/aic7xxx/aic7xxx.reg
index 0d2f763..9a96e55 100644
--- a/drivers/scsi/aic7xxx/aic7xxx.reg
+++ b/drivers/scsi/aic7xxx/aic7xxx.reg
@@ -51,6 +51,17 @@
*/
/*
+ * Registers marked "dont_generate_debug_code" are not (yet) referenced
+ * from the driver code, and this keyword inhibit generation
+ * of debug code for them.
+ *
+ * REG_PRETTY_PRINT config will complain if dont_generate_debug_code
+ * is added to the register which is referenced in the driver.
+ * Unreferenced register with no dont_generate_debug_code will result
+ * in dead code. No warning is issued.
+ */
+
+/*
* SCSI Sequence Control (p. 3-11).
* Each bit, when set starts a specific SCSI sequence on the bus
*/
@@ -97,6 +108,7 @@
field ENSTIMER 0x04
field ACTNEGEN 0x02
field STPWEN 0x01 /* Powered Termination */
+ dont_generate_debug_code
}
/*
@@ -155,6 +167,7 @@
mask P_MESGOUT CDI|MSGI
mask P_STATUS CDI|IOI
mask P_MESGIN CDI|IOI|MSGI
+ dont_generate_debug_code
}
/*
@@ -194,6 +207,7 @@
*/
alias SCSIOFFSET
mask SOFS_ULTRA2 0x7f /* Sync offset U2 chips */
+ dont_generate_debug_code
}
/*
@@ -205,6 +219,7 @@
register SCSIDATL {
address 0x006
access_mode RW
+ dont_generate_debug_code
}
register SCSIDATH {
@@ -223,6 +238,7 @@
address 0x008
size 3
access_mode RW
+ dont_generate_debug_code
}
/* ALT_MODE registers (Ultra2 and Ultra160 chips) */
@@ -248,6 +264,7 @@
field AUTO_MSGOUT_DE 0x02
field DIS_MSGIN_DUALEDGE 0x01
mask OPTIONMODE_DEFAULTS AUTO_MSGOUT_DE|DIS_MSGIN_DUALEDGE
+ dont_generate_debug_code
}
/* ALT_MODE register on Ultra160 chips */
@@ -256,6 +273,7 @@
size 2
access_mode RW
count 2
+ dont_generate_debug_code
}
/*
@@ -271,6 +289,7 @@
field CLRSWRAP 0x08
field CLRIOERR 0x08 /* Ultra2 Only */
field CLRSPIORDY 0x02
+ dont_generate_debug_code
}
/*
@@ -306,6 +325,7 @@
field CLRSCSIPERR 0x04
field CLRPHASECHG 0x02
field CLRREQINIT 0x01
+ dont_generate_debug_code
}
/*
@@ -360,6 +380,7 @@
access_mode RW
mask TID 0xf0 /* Target ID mask */
mask OID 0x0f /* Our ID mask */
+ dont_generate_debug_code
}
/*
@@ -425,6 +446,7 @@
address 0x014
size 4
access_mode RO
+ dont_generate_debug_code
}
/*
@@ -441,6 +463,7 @@
field STAGE2 0x02
field STAGE1 0x01
alias TARGIDIN
+ dont_generate_debug_code
}
/*
@@ -453,6 +476,7 @@
access_mode RW
mask SELID_MASK 0xf0
field ONEBIT 0x08
+ dont_generate_debug_code
}
register SCAMCTL {
@@ -473,6 +497,7 @@
size 2
access_mode RW
count 14
+ dont_generate_debug_code
}
/*
@@ -495,6 +520,7 @@
field EEPROM 0x04 /* Writable external BIOS ROM */
field ROM 0x02 /* Logic for accessing external ROM */
field SSPIOCPS 0x01 /* Termination and cable detection */
+ dont_generate_debug_code
}
register BRDCTL {
@@ -514,6 +540,7 @@
field BRDDAT2 0x04
field BRDRW_ULTRA2 0x02
field BRDSTB_ULTRA2 0x01
+ dont_generate_debug_code
}
/*
@@ -551,6 +578,7 @@
field SEECK 0x04
field SEEDO 0x02
field SEEDI 0x01
+ dont_generate_debug_code
}
/*
* SCSI Block Control (p. 3-32)
@@ -601,6 +629,7 @@
address 0x061
access_mode RW
count 2
+ dont_generate_debug_code
}
/*
@@ -610,6 +639,7 @@
register SEQADDR0 {
address 0x062
access_mode RW
+ dont_generate_debug_code
}
register SEQADDR1 {
@@ -617,6 +647,7 @@
access_mode RW
count 8
mask SEQADDR1_MASK 0x01
+ dont_generate_debug_code
}
/*
@@ -627,35 +658,41 @@
address 0x064
access_mode RW
accumulator
+ dont_generate_debug_code
}
register SINDEX {
address 0x065
access_mode RW
sindex
+ dont_generate_debug_code
}
register DINDEX {
address 0x066
access_mode RW
+ dont_generate_debug_code
}
register ALLONES {
address 0x069
access_mode RO
allones
+ dont_generate_debug_code
}
register ALLZEROS {
address 0x06a
access_mode RO
allzeros
+ dont_generate_debug_code
}
register NONE {
address 0x06a
access_mode WO
none
+ dont_generate_debug_code
}
register FLAGS {
@@ -664,16 +701,19 @@
count 18
field ZERO 0x02
field CARRY 0x01
+ dont_generate_debug_code
}
register SINDIR {
address 0x06c
access_mode RO
+ dont_generate_debug_code
}
register DINDIR {
address 0x06d
access_mode WO
+ dont_generate_debug_code
}
register FUNCTION1 {
@@ -685,6 +725,7 @@
address 0x06f
access_mode RO
count 5
+ dont_generate_debug_code
}
const STACK_SIZE 4
@@ -716,6 +757,7 @@
field RAMPS 0x04 /* External SCB RAM Present */
field USCBSIZE32 0x02 /* Use 32byte SCB Page Size */
field CIOPARCKEN 0x01 /* Internal bus parity error enable */
+ dont_generate_debug_code
}
register DSCOMMAND1 {
@@ -724,6 +766,7 @@
mask DSLATT 0xfc /* PCI latency timer (non-ultra2) */
field HADDLDSEL1 0x02 /* Host Address Load Select Bits */
field HADDLDSEL0 0x01
+ dont_generate_debug_code
}
/*
@@ -735,6 +778,7 @@
count 2
mask BOFF 0xf0
mask BON 0x0f
+ dont_generate_debug_code
}
/*
@@ -749,6 +793,7 @@
mask STBON 0x07
mask DFTHRSH_100 0xc0
mask DFTHRSH_75 0x80
+ dont_generate_debug_code
}
/* aic7850/55/60/70/80/95 only */
@@ -756,6 +801,7 @@
address 0x086
count 4
mask DFTHRSH_100 0xc0
+ dont_generate_debug_code
}
/* aic7890/91/96/97 only */
@@ -764,6 +810,7 @@
mask HOST_MAILBOX 0xF0
mask SEQ_MAILBOX 0x0F
mask HOST_TQINPOS 0x80 /* Boundary at either 0 or 128 */
+ dont_generate_debug_code
}
const HOST_MAILBOX_SHIFT 4
@@ -784,6 +831,7 @@
field INTEN 0x02
field CHIPRST 0x01
field CHIPRSTACK 0x01
+ dont_generate_debug_code
}
/*
@@ -795,12 +843,14 @@
address 0x088
size 4
access_mode RW
+ dont_generate_debug_code
}
register HCNT {
address 0x08c
size 3
access_mode RW
+ dont_generate_debug_code
}
/*
@@ -810,6 +860,7 @@
register SCBPTR {
address 0x090
access_mode RW
+ dont_generate_debug_code
}
/*
@@ -878,6 +929,7 @@
mask SEQINT_MASK 0xf0|SEQINT /* SEQINT Status Codes */
mask INT_PEND (BRKADRINT|SEQINT|SCSIINT|CMDCMPLT)
+ dont_generate_debug_code
}
/*
@@ -911,6 +963,7 @@
field CLRSCSIINT 0x04
field CLRCMDINT 0x02
field CLRSEQINT 0x01
+ dont_generate_debug_code
}
register DFCNTRL {
@@ -944,6 +997,7 @@
register DFWADDR {
address 0x95
access_mode RW
+ dont_generate_debug_code
}
register DFRADDR {
@@ -954,6 +1008,7 @@
register DFDAT {
address 0x099
access_mode RW
+ dont_generate_debug_code
}
/*
@@ -967,6 +1022,7 @@
count 1
field SCBAUTO 0x80
mask SCBCNT_MASK 0x1f
+ dont_generate_debug_code
}
/*
@@ -977,6 +1033,7 @@
address 0x09b
access_mode RW
count 12
+ dont_generate_debug_code
}
/*
@@ -996,6 +1053,7 @@
address 0x09d
access_mode WO
count 7
+ dont_generate_debug_code
}
register CRCCONTROL1 {
@@ -1008,6 +1066,7 @@
field CRCREQCHKEN 0x10
field TARGCRCENDEN 0x08
field TARGCRCCNTEN 0x04
+ dont_generate_debug_code
}
@@ -1040,6 +1099,7 @@
access_mode RW
count 4
field ALT_MODE 0x80
+ dont_generate_debug_code
}
/*
@@ -1053,24 +1113,31 @@
size 4
alias SCB_RESIDUAL_DATACNT
alias SCB_CDB_STORE
+ dont_generate_debug_code
}
SCB_RESIDUAL_SGPTR {
size 4
+ dont_generate_debug_code
}
SCB_SCSI_STATUS {
size 1
+ dont_generate_debug_code
}
SCB_TARGET_PHASES {
size 1
+ dont_generate_debug_code
}
SCB_TARGET_DATA_DIR {
size 1
+ dont_generate_debug_code
}
SCB_TARGET_ITAG {
size 1
+ dont_generate_debug_code
}
SCB_DATAPTR {
size 4
+ dont_generate_debug_code
}
SCB_DATACNT {
/*
@@ -1080,12 +1147,14 @@
size 4
field SG_LAST_SEG 0x80 /* In the fourth byte */
mask SG_HIGH_ADDR_BITS 0x7F /* In the fourth byte */
+ dont_generate_debug_code
}
SCB_SGPTR {
size 4
field SG_RESID_VALID 0x04 /* In the first byte */
field SG_FULL_RESID 0x02 /* In the first byte */
field SG_LIST_NULL 0x01 /* In the first byte */
+ dont_generate_debug_code
}
SCB_CONTROL {
size 1
@@ -1115,22 +1184,27 @@
}
SCB_CDB_LEN {
size 1
+ dont_generate_debug_code
}
SCB_SCSIRATE {
size 1
+ dont_generate_debug_code
}
SCB_SCSIOFFSET {
size 1
count 1
+ dont_generate_debug_code
}
SCB_NEXT {
size 1
+ dont_generate_debug_code
}
SCB_64_SPARE {
size 16
}
SCB_64_BTT {
size 16
+ dont_generate_debug_code
}
}
@@ -1149,6 +1223,7 @@
field CS_2840 0x04
field CK_2840 0x02
field DO_2840 0x01
+ dont_generate_debug_code
}
register STATUS_2840 {
@@ -1159,6 +1234,7 @@
mask BIOS_SEL 0x60
mask ADSEL 0x1e
field DI_2840 0x01
+ dont_generate_debug_code
}
/* --------------------- AIC-7870-only definitions -------------------- */
@@ -1166,18 +1242,22 @@
register CCHADDR {
address 0x0E0
size 8
+ dont_generate_debug_code
}
register CCHCNT {
address 0x0E8
+ dont_generate_debug_code
}
register CCSGRAM {
address 0x0E9
+ dont_generate_debug_code
}
register CCSGADDR {
address 0x0EA
+ dont_generate_debug_code
}
register CCSGCTL {
@@ -1186,11 +1266,13 @@
field CCSGEN 0x08
field SG_FETCH_NEEDED 0x02 /* Bit used for software state */
field CCSGRESET 0x01
+ dont_generate_debug_code
}
register CCSCBCNT {
address 0xEF
count 1
+ dont_generate_debug_code
}
register CCSCBCTL {
@@ -1201,14 +1283,17 @@
field CCSCBEN 0x08
field CCSCBDIR 0x04
field CCSCBRESET 0x01
+ dont_generate_debug_code
}
register CCSCBADDR {
address 0x0ED
+ dont_generate_debug_code
}
register CCSCBRAM {
address 0xEC
+ dont_generate_debug_code
}
/*
@@ -1218,23 +1303,28 @@
address 0x0F0
access_mode RW
count 3
+ dont_generate_debug_code
}
register CCSCBPTR {
address 0x0F1
+ dont_generate_debug_code
}
register HNSCB_QOFF {
address 0x0F4
count 4
+ dont_generate_debug_code
}
register SNSCB_QOFF {
address 0x0F6
+ dont_generate_debug_code
}
register SDSCB_QOFF {
address 0x0F8
+ dont_generate_debug_code
}
register QOFF_CTLSTA {
@@ -1244,6 +1334,7 @@
field SDSCB_ROLLOVER 0x10
mask SCB_QSIZE 0x07
mask SCB_QSIZE_256 0x06
+ dont_generate_debug_code
}
register DFF_THRSH {
@@ -1267,6 +1358,7 @@
mask WR_DFTHRSH_90 0x60
mask WR_DFTHRSH_MAX 0x70
count 4
+ dont_generate_debug_code
}
register SG_CACHE_PRE {
@@ -1275,6 +1367,7 @@
mask SG_ADDR_MASK 0xf8
field LAST_SEG 0x02
field LAST_SEG_DONE 0x01
+ dont_generate_debug_code
}
register SG_CACHE_SHADOW {
@@ -1283,6 +1376,7 @@
mask SG_ADDR_MASK 0xf8
field LAST_SEG 0x02
field LAST_SEG_DONE 0x01
+ dont_generate_debug_code
}
/* ---------------------- Scratch RAM Offsets ------------------------- */
/* These offsets are either to values that are initialized by the board's
@@ -1309,6 +1403,7 @@
BUSY_TARGETS {
alias TARG_SCSIRATE
size 16
+ dont_generate_debug_code
}
/*
* Bit vector of targets that have ULTRA enabled as set by
@@ -1321,6 +1416,7 @@
alias CMDSIZE_TABLE
size 2
count 2
+ dont_generate_debug_code
}
/*
* Bit vector of targets that have disconnection disabled as set by
@@ -1331,6 +1427,7 @@
DISC_DSB {
size 2
count 6
+ dont_generate_debug_code
}
CMDSIZE_TABLE_TAIL {
size 4
@@ -1341,12 +1438,14 @@
*/
MWI_RESIDUAL {
size 1
+ dont_generate_debug_code
}
/*
* SCBID of the next SCB to be started by the controller.
*/
NEXT_QUEUED_SCB {
size 1
+ dont_generate_debug_code
}
/*
* Single byte buffer used to designate the type or message
@@ -1354,6 +1453,7 @@
*/
MSG_OUT {
size 1
+ dont_generate_debug_code
}
/* Parameters for DMA Logic */
DMAPARAMS {
@@ -1369,6 +1469,7 @@
field DIRECTION 0x04 /* Set indicates PCI->SCSI */
field FIFOFLUSH 0x02
field FIFORESET 0x01
+ dont_generate_debug_code
}
SEQ_FLAGS {
size 1
@@ -1390,9 +1491,11 @@
*/
SAVED_SCSIID {
size 1
+ dont_generate_debug_code
}
SAVED_LUN {
size 1
+ dont_generate_debug_code
}
/*
* The last bus phase as seen by the sequencer.
@@ -1417,6 +1520,7 @@
*/
WAITING_SCBH {
size 1
+ dont_generate_debug_code
}
/*
* head of list of SCBs that are
@@ -1425,6 +1529,7 @@
*/
DISCONNECTED_SCBH {
size 1
+ dont_generate_debug_code
}
/*
* head of list of SCBs that are
@@ -1432,6 +1537,7 @@
*/
FREE_SCBH {
size 1
+ dont_generate_debug_code
}
/*
* head of list of SCBs that have
@@ -1446,6 +1552,7 @@
*/
HSCB_ADDR {
size 4
+ dont_generate_debug_code
}
/*
* Base address of our shared data with the kernel driver in host
@@ -1454,15 +1561,19 @@
*/
SHARED_DATA_ADDR {
size 4
+ dont_generate_debug_code
}
KERNEL_QINPOS {
size 1
+ dont_generate_debug_code
}
QINPOS {
size 1
+ dont_generate_debug_code
}
QOUTPOS {
size 1
+ dont_generate_debug_code
}
/*
* Kernel and sequencer offsets into the queue of
@@ -1471,9 +1582,11 @@
*/
KERNEL_TQINPOS {
size 1
+ dont_generate_debug_code
}
TQINPOS {
size 1
+ dont_generate_debug_code
}
ARG_1 {
size 1
@@ -1486,10 +1599,12 @@
mask CONT_MSG_LOOP 0x04
mask CONT_TARG_SESSION 0x02
alias RETURN_1
+ dont_generate_debug_code
}
ARG_2 {
size 1
alias RETURN_2
+ dont_generate_debug_code
}
/*
@@ -1498,6 +1613,7 @@
LAST_MSG {
size 1
alias TARG_IMMEDIATE_SCB
+ dont_generate_debug_code
}
/*
@@ -1513,6 +1629,7 @@
field ENAUTOATNO 0x08
field ENAUTOATNI 0x04
field ENAUTOATNP 0x02
+ dont_generate_debug_code
}
}
@@ -1533,12 +1650,14 @@
field HA_274_EXTENDED_TRANS 0x01
alias INITIATOR_TAG
count 1
+ dont_generate_debug_code
}
SEQ_FLAGS2 {
size 1
field SCB_DMA 0x01
field TARGET_MSG_PENDING 0x02
+ dont_generate_debug_code
}
}
@@ -1562,6 +1681,7 @@
field ENSPCHK 0x20
mask HSCSIID 0x07 /* our SCSI ID */
mask HWSCSIID 0x0f /* our SCSI ID if Wide Bus */
+ dont_generate_debug_code
}
INTDEF {
address 0x05c
@@ -1569,11 +1689,13 @@
count 1
field EDGE_TRIG 0x80
mask VECTOR 0x0f
+ dont_generate_debug_code
}
HOSTCONF {
address 0x05d
size 1
count 1
+ dont_generate_debug_code
}
HA_274_BIOSCTRL {
address 0x05f
@@ -1582,6 +1704,7 @@
mask BIOSMODE 0x30
mask BIOSDISABLED 0x30
field CHANNEL_B_PRIMARY 0x08
+ dont_generate_debug_code
}
}
@@ -1595,6 +1718,7 @@
TARG_OFFSET {
size 16
count 1
+ dont_generate_debug_code
}
}