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authorMans Rullgard <mans@mansr.com>2016-04-26 12:03:14 +0300
committerTejun Heo <tj@kernel.org>2016-05-10 12:29:20 -0400
commitcd12ff0b5a8becd143df1f0a9dc97a4222e2cf6f (patch)
treee64b61a11d210d2b49573e81862f990cfdef9228 /drivers/ata
parent4bb41be5eaa2788f5a5fa2047886ffeae7b0e21f (diff)
downloadlinux-cd12ff0b5a8becd143df1f0a9dc97a4222e2cf6f.tar.bz2
ata: sata_dwc_460ex: remove empty libata callback
The sata_dwc_qc_prep() does nothing. Use the default ata_noop_qc_prep instead. Tested-by: Christian Lamparter <chunkeey@googlemail.com> Signed-off-by: Mans Rullgard <mans@mansr.com> Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'drivers/ata')
-rw-r--r--drivers/ata/sata_dwc_460ex.c22
1 files changed, 0 insertions, 22 deletions
diff --git a/drivers/ata/sata_dwc_460ex.c b/drivers/ata/sata_dwc_460ex.c
index 2258baf126cd..3a9dd82ace32 100644
--- a/drivers/ata/sata_dwc_460ex.c
+++ b/drivers/ata/sata_dwc_460ex.c
@@ -1132,27 +1132,6 @@ static unsigned int sata_dwc_qc_issue(struct ata_queued_cmd *qc)
return 0;
}
-/*
- * Function : sata_dwc_qc_prep
- * arguments : ata_queued_cmd *qc
- * Return value : None
- * qc_prep for a particular queued command
- */
-
-static void sata_dwc_qc_prep(struct ata_queued_cmd *qc)
-{
- if ((qc->dma_dir == DMA_NONE) || (qc->tf.protocol == ATA_PROT_PIO))
- return;
-
-#ifdef DEBUG_NCQ
- if (qc->tag > 0)
- dev_info(qc->ap->dev, "%s: qc->tag=%d ap->active_tag=0x%08x\n",
- __func__, qc->tag, qc->ap->link.active_tag);
-
- return ;
-#endif
-}
-
static void sata_dwc_error_handler(struct ata_port *ap)
{
ata_sff_error_handler(ap);
@@ -1212,7 +1191,6 @@ static struct ata_port_operations sata_dwc_ops = {
.error_handler = sata_dwc_error_handler,
.hardreset = sata_dwc_hardreset,
- .qc_prep = sata_dwc_qc_prep,
.qc_issue = sata_dwc_qc_issue,
.scr_read = sata_dwc_scr_read,