From d26fc9551a15fdad0d5de8376a78816b8af44f00 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Fri, 6 Jul 2007 19:13:52 -0400 Subject: 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 Signed-off-by: Jeff Garzik --- drivers/ata/pata_sc1200.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/ata/pata_sc1200.c') 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, -- cgit v1.2.3