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authorHannes Reinecke <hare@suse.de>2006-01-24 10:44:38 +0100
committerJames Bottomley <jejb@mulgrave.(none)>2006-01-31 14:39:48 -0600
commit3fb086126462c2de06dddaec58981d8827be100d (patch)
treeeaa3e79ef84f8a68246e0ba68a1d048b03e9acd4 /drivers/scsi/aic7xxx/aic79xx_pci.c
parent53467e636b7beb350c307cc88323aae4676577f2 (diff)
[SCSI] aic79xx: SLOWCRC fix
This patch introduces the SLOWCRC handling for certain buggy chipsets. Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/aic7xxx/aic79xx_pci.c')
-rw-r--r--drivers/scsi/aic7xxx/aic79xx_pci.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/scsi/aic7xxx/aic79xx_pci.c b/drivers/scsi/aic7xxx/aic79xx_pci.c
index 196a6344b037..757242e522c2 100644
--- a/drivers/scsi/aic7xxx/aic79xx_pci.c
+++ b/drivers/scsi/aic7xxx/aic79xx_pci.c
@@ -38,7 +38,7 @@
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*
- * $Id: //depot/aic7xxx/aic7xxx/aic79xx_pci.c#89 $
+ * $Id: //depot/aic7xxx/aic7xxx/aic79xx_pci.c#92 $
*/
#ifdef __linux__
@@ -950,12 +950,19 @@ ahd_aic790X_setup(struct ahd_softc *ahd)
if ((ahd->flags & AHD_HP_BOARD) == 0)
AHD_SET_SLEWRATE(ahd, AHD_SLEWRATE_DEF_REVA);
} else {
+ /* This is revision B and newer. */
+ extern uint32_t aic79xx_slowcrc;
u_int devconfig1;
ahd->features |= AHD_RTI|AHD_NEW_IOCELL_OPTS
- | AHD_NEW_DFCNTRL_OPTS|AHD_FAST_CDB_DELIVERY;
+ | AHD_NEW_DFCNTRL_OPTS|AHD_FAST_CDB_DELIVERY
+ | AHD_BUSFREEREV_BUG;
ahd->bugs |= AHD_LQOOVERRUN_BUG|AHD_EARLY_REQ_BUG;
+ /* If the user requested the the SLOWCRC bit to be set. */
+ if (aic79xx_slowcrc)
+ ahd->features |= AHD_AIC79XXB_SLOWCRC;
+
/*
* Some issues have been resolved in the 7901B.
*/