[SCSI] aic7xxx: cap maxsync according to correct card limits

[linux-2.6-omap-h63xx.git] / drivers / scsi / aic7xxx / aic7xxx_core.c

diff --git a/drivers/scsi/aic7xxx/aic7xxx_core.c b/drivers/scsi/aic7xxx/aic7xxx_core.c
index 75733b09f27a747dc1ee454ece9d8262a8c29227..f350b5e89e76d01485cb9fb22cb16c8a8d2c967c 100644 (file)
--- a/drivers/scsi/aic7xxx/aic7xxx_core.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_core.c
@@ -1701,7 +1701,16 @@ ahc_find_syncrate(struct ahc_softc *ahc, u_int *period,
        if ((*ppr_options & MSG_EXT_PPR_DT_REQ) == 0
         && maxsync < AHC_SYNCRATE_ULTRA2)
                maxsync = AHC_SYNCRATE_ULTRA2;
-       
+
+       /* Now set the maxsync based on the card capabilities
+        * DT is already done above */
+       if ((ahc->features & (AHC_DT | AHC_ULTRA2)) == 0
+           && maxsync < AHC_SYNCRATE_ULTRA)
+               maxsync = AHC_SYNCRATE_ULTRA;
+       if ((ahc->features & (AHC_DT | AHC_ULTRA2 | AHC_ULTRA)) == 0
+           && maxsync < AHC_SYNCRATE_FAST)
+               maxsync = AHC_SYNCRATE_FAST;
+
        for (syncrate = &ahc_syncrates[maxsync];
             syncrate->rate != NULL;
             syncrate++) {
@@ -1765,6 +1774,17 @@ ahc_find_period(struct ahc_softc *ahc, u_int scsirate, u_int maxsync)
        else
                scsirate &= SXFR;
 
+       /* now set maxsync based on card capabilities */
+       if ((ahc->features & AHC_DT) == 0 && maxsync < AHC_SYNCRATE_ULTRA2)
+               maxsync = AHC_SYNCRATE_ULTRA2;
+       if ((ahc->features & (AHC_DT | AHC_ULTRA2)) == 0
+           && maxsync < AHC_SYNCRATE_ULTRA)
+               maxsync = AHC_SYNCRATE_ULTRA;
+       if ((ahc->features & (AHC_DT | AHC_ULTRA2 | AHC_ULTRA)) == 0
+           && maxsync < AHC_SYNCRATE_FAST)
+               maxsync = AHC_SYNCRATE_FAST;
+
+
        syncrate = &ahc_syncrates[maxsync];
        while (syncrate->rate != NULL) {