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authorAlan Cox <alan@lxorguk.ukuu.org.uk>2007-07-06 19:13:52 -0400
committerJeff Garzik <jeff@garzik.org>2007-07-09 12:17:35 -0400
commitd26fc9551a15fdad0d5de8376a78816b8af44f00 (patch)
tree5c829c1baf499ad1f31ed4b8b41e766b290a6306 /drivers/ata/pata_sc1200.c
parentc1e6f28cc5de37dcd113b9668a185c0b9334ba8a (diff)
downloadtalos-obmc-linux-d26fc9551a15fdad0d5de8376a78816b8af44f00.tar.gz
talos-obmc-linux-d26fc9551a15fdad0d5de8376a78816b8af44f00.zip
libata: Support chips with 64K PRD quirk
Add ata_dumb_qc_prep and supporting logic so that a driver can just specify it needs to be helped in this area. 64K entries are split as with drivers/ide. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/ata/pata_sc1200.c')
-rw-r--r--drivers/ata/pata_sc1200.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/ata/pata_sc1200.c b/drivers/ata/pata_sc1200.c
index 7ff39cf9dc0b..b8b2d11e4180 100644
--- a/drivers/ata/pata_sc1200.c
+++ b/drivers/ata/pata_sc1200.c
@@ -185,7 +185,7 @@ static struct scsi_host_template sc1200_sht = {
.queuecommand = ata_scsi_queuecmd,
.can_queue = ATA_DEF_QUEUE,
.this_id = ATA_SHT_THIS_ID,
- .sg_tablesize = LIBATA_MAX_PRD,
+ .sg_tablesize = LIBATA_DUMB_MAX_PRD,
.cmd_per_lun = ATA_SHT_CMD_PER_LUN,
.emulated = ATA_SHT_EMULATED,
.use_clustering = ATA_SHT_USE_CLUSTERING,
@@ -219,7 +219,7 @@ static struct ata_port_operations sc1200_port_ops = {
.bmdma_stop = ata_bmdma_stop,
.bmdma_status = ata_bmdma_status,
- .qc_prep = ata_qc_prep,
+ .qc_prep = ata_dumb_qc_prep,
.qc_issue = sc1200_qc_issue_prot,
.data_xfer = ata_data_xfer,
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