diff options
Diffstat (limited to 'drivers/ata/sata_mv.c')
| -rw-r--r-- | drivers/ata/sata_mv.c | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index a9fd9709c262..bf74a36d3cc3 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -2743,18 +2743,11 @@ static void mv_err_intr(struct ata_port *ap) } } -static void mv_process_crpb_response(struct ata_port *ap, +static bool mv_process_crpb_response(struct ata_port *ap, struct mv_crpb *response, unsigned int tag, int ncq_enabled) { u8 ata_status; u16 edma_status = le16_to_cpu(response->flags); - struct ata_queued_cmd *qc = ata_qc_from_tag(ap, tag); - - if (unlikely(!qc)) { - ata_port_printk(ap, KERN_ERR, "%s: no qc for tag=%d\n", - __func__, tag); - return; - } /* * edma_status from a response queue entry: @@ -2768,13 +2761,14 @@ static void mv_process_crpb_response(struct ata_port *ap, * Error will be seen/handled by * mv_err_intr(). So do nothing at all here. */ - return; + return false; } } ata_status = edma_status >> CRPB_FLAG_STATUS_SHIFT; if (!ac_err_mask(ata_status)) - ata_qc_complete(qc); + return true; /* else: leave it for mv_err_intr() */ + return false; } static void mv_process_crpb_entries(struct ata_port *ap, struct mv_port_priv *pp) @@ -2783,6 +2777,7 @@ static void mv_process_crpb_entries(struct ata_port *ap, struct mv_port_priv *pp struct mv_host_priv *hpriv = ap->host->private_data; u32 in_index; bool work_done = false; + u32 done_mask = 0; int ncq_enabled = (pp->pp_flags & MV_PP_FLAG_NCQ_EN); /* Get the hardware queue position index */ @@ -2803,15 +2798,19 @@ static void mv_process_crpb_entries(struct ata_port *ap, struct mv_port_priv *pp /* Gen II/IIE: get command tag from CRPB entry */ tag = le16_to_cpu(response->id) & 0x1f; } - mv_process_crpb_response(ap, response, tag, ncq_enabled); + if (mv_process_crpb_response(ap, response, tag, ncq_enabled)) + done_mask |= 1 << tag; work_done = true; } - /* Update the software queue position index in hardware */ - if (work_done) + if (work_done) { + ata_qc_complete_multiple(ap, ap->qc_active ^ done_mask); + + /* Update the software queue position index in hardware */ writelfl((pp->crpb_dma & EDMA_RSP_Q_BASE_LO_MASK) | (pp->resp_idx << EDMA_RSP_Q_PTR_SHIFT), port_mmio + EDMA_RSP_Q_OUT_PTR); + } } static void mv_port_intr(struct ata_port *ap, u32 port_cause) |