diff options
| author | Hannes Reinecke <hare@suse.de> | 2006-10-23 15:24:23 +0200 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-10-25 15:14:42 -0700 |
| commit | 843822ad631889596d67716e6edbcde608aeba81 (patch) | |
| tree | 24666d1a2792ff823571c8d89145383391f60d95 | |
| parent | 8883c1f182fa88d2b8e0adb6ae90a42f67e5353e (diff) | |
| download | linux-843822ad631889596d67716e6edbcde608aeba81.tar.bz2 | |
[SCSI] aic79xx: set precompensation
aic79xx has a special 'iocell' chip which handles the precompensation.
If it's set via DV we should make sure to set the chip correctly, too.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
| -rw-r--r-- | drivers/scsi/aic7xxx/aic79xx_osm.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/scsi/aic7xxx/aic79xx_osm.c b/drivers/scsi/aic7xxx/aic79xx_osm.c index 5e13046d845b..e7a32f8e1a5c 100644 --- a/drivers/scsi/aic7xxx/aic79xx_osm.c +++ b/drivers/scsi/aic7xxx/aic79xx_osm.c @@ -2636,8 +2636,22 @@ static void ahd_linux_set_pcomp_en(struct scsi_target *starget, int pcomp) pcomp ? "Enable" : "Disable"); #endif - if (pcomp) + if (pcomp) { + uint8_t precomp; + + if (ahd->unit < ARRAY_SIZE(aic79xx_iocell_info)) { + struct ahd_linux_iocell_opts *iocell_opts; + + iocell_opts = &aic79xx_iocell_info[ahd->unit]; + precomp = iocell_opts->precomp; + } else { + precomp = AIC79XX_DEFAULT_PRECOMP; + } ppr_options |= MSG_EXT_PPR_PCOMP_EN; + AHD_SET_PRECOMP(ahd, precomp); + } else { + AHD_SET_PRECOMP(ahd, 0); + } ahd_compile_devinfo(&devinfo, shost->this_id, starget->id, 0, starget->channel + 'A', ROLE_INITIATOR); |