diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/ata/sata_mv.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index 207c400c64df..d15caf32045e 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -449,6 +449,7 @@ static void mv_error_handler(struct ata_port *ap); static void mv_post_int_cmd(struct ata_queued_cmd *qc); static void mv_eh_freeze(struct ata_port *ap); static void mv_eh_thaw(struct ata_port *ap); +static void mv6_dev_config(struct ata_device *dev); static int mv_init_one(struct pci_dev *pdev, const struct pci_device_id *ent); static void mv5_phy_errata(struct mv_host_priv *hpriv, void __iomem *mmio, @@ -541,6 +542,7 @@ static const struct ata_port_operations mv5_ops = { }; static const struct ata_port_operations mv6_ops = { + .dev_config = mv6_dev_config, .tf_load = ata_tf_load, .tf_read = ata_tf_read, .check_status = ata_check_status, @@ -1054,6 +1056,17 @@ static int mv_scr_write(struct ata_port *ap, unsigned int sc_reg_in, u32 val) return -EINVAL; } +static void mv6_dev_config(struct ata_device *adev) +{ + /* + * We don't have hob_nsect when doing NCQ commands on Gen-II. + * See mv_qc_prep() for more info. + */ + if (adev->flags & ATA_DFLAG_NCQ) + if (adev->max_sectors > ATA_MAX_SECTORS) + adev->max_sectors = ATA_MAX_SECTORS; +} + static void mv_edma_cfg(struct mv_port_priv *pp, struct mv_host_priv *hpriv, void __iomem *port_mmio, int want_ncq) { |
