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| author | Matthew Wilcox <matthew@wil.cx> | 2006-02-07 07:54:46 -0700 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-02-27 22:55:09 -0600 |
| commit | 6ea3c0b2dac0d6a857d6bc010e544f4c901fff78 (patch) | |
| tree | 0650d6e8b5be747eb192e558dd90e875ca7a13fb /drivers/scsi/ncr53c8xx.c | |
| parent | b0dc1db15225d5801bf3105966c9ce12c5142013 (diff) | |
| download | linux-6ea3c0b2dac0d6a857d6bc010e544f4c901fff78.tar.gz linux-6ea3c0b2dac0d6a857d6bc010e544f4c901fff78.tar.bz2 linux-6ea3c0b2dac0d6a857d6bc010e544f4c901fff78.zip | |
[SCSI] Add spi_populate_*_msg functions
Introduce new helpers:
- spi_populate_width_msg()
- spi_populate_sync_msg()
- spi_populate_ppr_msg()
and use them in drivers which already enable the SPI transport.
Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/ncr53c8xx.c')
| -rw-r--r-- | drivers/scsi/ncr53c8xx.c | 25 |
1 files changed, 5 insertions, 20 deletions
diff --git a/drivers/scsi/ncr53c8xx.c b/drivers/scsi/ncr53c8xx.c index abb1859bff09..22f913127f08 100644 --- a/drivers/scsi/ncr53c8xx.c +++ b/drivers/scsi/ncr53c8xx.c @@ -4105,17 +4105,11 @@ static int ncr_prepare_nego(struct ncb *np, struct ccb *cp, u_char *msgptr) switch (nego) { case NS_SYNC: - msgptr[msglen++] = EXTENDED_MESSAGE; - msgptr[msglen++] = 3; - msgptr[msglen++] = EXTENDED_SDTR; - msgptr[msglen++] = tp->maxoffs ? tp->minsync : 0; - msgptr[msglen++] = tp->maxoffs; + msglen += spi_populate_sync_msg(msgptr + msglen, + tp->maxoffs ? tp->minsync : 0, tp->maxoffs); break; case NS_WIDE: - msgptr[msglen++] = EXTENDED_MESSAGE; - msgptr[msglen++] = 2; - msgptr[msglen++] = EXTENDED_WDTR; - msgptr[msglen++] = tp->usrwide; + msglen += spi_populate_width_msg(msgptr + msglen, tp->usrwide); break; } @@ -6989,12 +6983,7 @@ void ncr_int_sir (struct ncb *np) spi_offset(starget) = ofs; ncr_setsync(np, cp, scntl3, (fak<<5)|ofs); - np->msgout[0] = EXTENDED_MESSAGE; - np->msgout[1] = 3; - np->msgout[2] = EXTENDED_SDTR; - np->msgout[3] = per; - np->msgout[4] = ofs; - + spi_populate_sync_msg(np->msgout, per, ofs); cp->nego_status = NS_SYNC; if (DEBUG_FLAGS & DEBUG_NEGO) { @@ -7080,11 +7069,7 @@ void ncr_int_sir (struct ncb *np) spi_width(starget) = wide; ncr_setwide(np, cp, wide, 1); - - np->msgout[0] = EXTENDED_MESSAGE; - np->msgout[1] = 2; - np->msgout[2] = EXTENDED_WDTR; - np->msgout[3] = wide; + spi_populate_width_msg(np->msgout, wide); np->msgin [0] = NOP; |