[patch 13/29] libata: sata_sis: use correct S/G table size

Greg Kroah-Hartman
2007-11-20T18:30:11Z

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2.6.23-stable review patch. If anyone has any objections, please let us
know.

------------------
From: Jeff Garzik <jeff@garzik.org>

patch 96af154710d44b574515431a0bb014888398a741 in mainline.

[libata] sata_sis: use correct S/G table size

sata_sis has the same restrictions as other SFF controllers, and so must
use LIBATA_MAX_PRD to denote that SCSI may only fill ATA_MAX_PRD/2
entries, due to our need to handle IOMMU merging.

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Cc: Tobias Powalowski <t.powa@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
drivers/ata/sata_sis.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/ata/sata_sis.c
+++ b/drivers/ata/sata_sis.c
@@ -92,7 +92,7 @@ static struct scsi_host_template sis_sht
.queuecommand = ata_scsi_queuecmd,
.can_queue = ATA_DEF_QUEUE,
.this_id = ATA_SHT_THIS_ID,
- .sg_tablesize = ATA_MAX_PRD,
+ .sg_tablesize = LIBATA_MAX_PRD,
.cmd_per_lun = ATA_SHT_CMD_PER_LUN,
.emulated = ATA_SHT_EMULATED,
.use_clustering = ATA_SHT_USE_CLUSTERING,

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