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| author | Hannes Reinecke <hare@suse.de> | 2021-12-21 08:20:31 +0100 |
|---|---|---|
| committer | Damien Le Moal <damien.lemoal@opensource.wdc.com> | 2022-01-05 19:32:51 +0900 |
| commit | c206a389c97c9533971cd05eed69b49f535cc193 (patch) | |
| tree | e4d579cbfa6e9e5072edfc139661a04c0446bc76 /drivers/ata/sata_nv.c | |
| parent | fc914faad67f237528739ec717222a560c97e723 (diff) | |
| download | linux-stable-c206a389c97c9533971cd05eed69b49f535cc193.tar.gz linux-stable-c206a389c97c9533971cd05eed69b49f535cc193.tar.bz2 linux-stable-c206a389c97c9533971cd05eed69b49f535cc193.zip | |
ata: libata: tracepoints for bus-master DMA
Add tracepoints for bus-master DMA and taskfile related functions.
That allows us to drop the relevant DPRINTK() calls.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Diffstat (limited to 'drivers/ata/sata_nv.c')
| -rw-r--r-- | drivers/ata/sata_nv.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c index 3c70405a0b80..06d381b9764e 100644 --- a/drivers/ata/sata_nv.c +++ b/drivers/ata/sata_nv.c @@ -31,6 +31,7 @@ #include <scsi/scsi_host.h> #include <scsi/scsi_device.h> #include <linux/libata.h> +#include <trace/events/libata.h> #define DRV_NAME "sata_nv" #define DRV_VERSION "3.5" @@ -1434,8 +1435,6 @@ static unsigned int nv_adma_qc_issue(struct ata_queued_cmd *qc) writew(qc->hw_tag, mmio + NV_ADMA_APPEND); - DPRINTK("Issued tag %u\n", qc->hw_tag); - return 0; } @@ -2013,19 +2012,17 @@ static unsigned int nv_swncq_issue_atacmd(struct ata_port *ap, if (qc == NULL) return 0; - DPRINTK("Enter\n"); - writel((1 << qc->hw_tag), pp->sactive_block); pp->last_issue_tag = qc->hw_tag; pp->dhfis_bits &= ~(1 << qc->hw_tag); pp->dmafis_bits &= ~(1 << qc->hw_tag); pp->qc_active |= (0x1 << qc->hw_tag); + trace_ata_tf_load(ap, &qc->tf); ap->ops->sff_tf_load(ap, &qc->tf); /* load tf registers */ + trace_ata_exec_command(ap, &qc->tf, qc->hw_tag); ap->ops->sff_exec_command(ap, &qc->tf); - DPRINTK("Issued tag %u\n", qc->hw_tag); - return 0; } @@ -2037,8 +2034,6 @@ static unsigned int nv_swncq_qc_issue(struct ata_queued_cmd *qc) if (qc->tf.protocol != ATA_PROT_NCQ) return ata_bmdma_qc_issue(qc); - DPRINTK("Enter\n"); - if (!pp->qc_active) nv_swncq_issue_atacmd(ap, qc); else @@ -2083,6 +2078,7 @@ static int nv_swncq_sdbfis(struct ata_port *ap) u8 lack_dhfis = 0; host_stat = ap->ops->bmdma_status(ap); + trace_ata_bmdma_status(ap, host_stat); if (unlikely(host_stat & ATA_DMA_ERR)) { /* error when transferring data to/from memory */ ata_ehi_clear_desc(ehi); |