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authorHannes Reinecke <hare@suse.de>2006-08-30 17:23:16 +0200
committerAdrian Bunk <bunk@stusta.de>2006-08-30 17:23:16 +0200
commitd441c8439442d5a554285056b31389ebd3024353 (patch)
tree0c0f53ee23af1f45947156ac38135a12d098d6ab
parent9d0d1f832451c283fb93d3300531ae7b8f7b3c37 (diff)
aic79xx: use BIOS settings
This patch fixes the aic79xx driver to properly respond to BIOS settings. Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com> Signed-off-by: Adrian Bunk <bunk@stusta.de>
-rw-r--r--drivers/scsi/aic7xxx/aic79xx_osm.c35
1 files changed, 28 insertions, 7 deletions
diff --git a/drivers/scsi/aic7xxx/aic79xx_osm.c b/drivers/scsi/aic7xxx/aic79xx_osm.c
index 7254ea535a16..2eb114438871 100644
--- a/drivers/scsi/aic7xxx/aic79xx_osm.c
+++ b/drivers/scsi/aic7xxx/aic79xx_osm.c
@@ -487,6 +487,7 @@ ahd_linux_target_alloc(struct scsi_target *starget)
{
struct ahd_softc *ahd =
*((struct ahd_softc **)dev_to_shost(&starget->dev)->hostdata);
+ struct seeprom_config *sc = ahd->seep_config;
unsigned long flags;
struct scsi_target **ahd_targp = ahd_linux_target_in_softc(starget);
struct ahd_linux_target *targ = scsi_transport_target_data(starget);
@@ -502,18 +503,38 @@ ahd_linux_target_alloc(struct scsi_target *starget)
*ahd_targp = starget;
memset(targ, 0, sizeof(*targ));
+ if (sc) {
+ int flags = sc->device_flags[starget->id];
+
+ tinfo = ahd_fetch_transinfo(ahd, 'A', ahd->our_id,
+ starget->id, &tstate);
+
+ if ((flags & CFPACKETIZED) == 0) {
+ /* Do not negotiate packetized transfers */
+ spi_rd_strm(starget) = 0;
+ spi_pcomp_en(starget) = 0;
+ spi_rti(starget) = 0;
+ spi_wr_flow(starget) = 0;
+ spi_hold_mcs(starget) = 0;
+ } else {
+ if ((ahd->features & AHD_RTI) == 0)
+ spi_rti(starget) = 0;
+ }
+
+ if ((flags & CFQAS) == 0)
+ spi_qas(starget) = 0;
+
+ /* Transinfo values have been set to BIOS settings */
+ spi_max_width(starget) = (flags & CFWIDEB) ? 1 : 0;
+ spi_min_period(starget) = tinfo->user.period;
+ spi_max_offset(starget) = tinfo->user.offset;
+ }
+
tinfo = ahd_fetch_transinfo(ahd, channel, ahd->our_id,
starget->id, &tstate);
ahd_compile_devinfo(&devinfo, ahd->our_id, starget->id,
CAM_LUN_WILDCARD, channel,
ROLE_INITIATOR);
- spi_min_period(starget) = AHD_SYNCRATE_MAX; /* We can do U320 */
- if ((ahd->bugs & AHD_PACED_NEGTABLE_BUG) != 0)
- spi_max_offset(starget) = MAX_OFFSET_PACED_BUG;
- else
- spi_max_offset(starget) = MAX_OFFSET_PACED;
- spi_max_width(starget) = ahd->features & AHD_WIDE;
-
ahd_set_syncrate(ahd, &devinfo, 0, 0, 0,
AHD_TRANS_GOAL, /*paused*/FALSE);
ahd_set_width(ahd, &devinfo, MSG_EXT_WDTR_BUS_8_BIT,