Thread (105 messages) 105 messages, 5 authors, 2021-12-09
STALE1633d REVIEWED: 1 (0M)

[PATCH 12/73] pata_arasan_cf: use generic tracepoints

From: Hannes Reinecke <hare@suse.de>
Date: 2021-12-08 16:33:05
Subsystem: libata pata arasan compact flash controller, libata subsystem (serial and parallel ata drivers), the rest · Maintainers: Viresh Kumar, Damien Le Moal, Niklas Cassel, Linus Torvalds

For completeness add generic tracepoints for bus-master DMA.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Bartlomiej Zolnierkiewicz <redacted>
---
 drivers/ata/pata_arasan_cf.c | 3 +++
 1 file changed, 3 insertions(+)
diff --git a/drivers/ata/pata_arasan_cf.c b/drivers/ata/pata_arasan_cf.c
index 63f39440a9b4..24c3d5e1fca3 100644
--- a/drivers/ata/pata_arasan_cf.c
+++ b/drivers/ata/pata_arasan_cf.c
@@ -39,6 +39,7 @@
 #include <linux/spinlock.h>
 #include <linux/types.h>
 #include <linux/workqueue.h>
+#include <trace/events/libata.h>
 
 #define DRIVER_NAME	"arasan_cf"
 #define TIMEOUT		msecs_to_jiffies(3000)
@@ -703,9 +704,11 @@ static unsigned int arasan_cf_qc_issue(struct ata_queued_cmd *qc)
 	case ATA_PROT_DMA:
 		WARN_ON_ONCE(qc->tf.flags & ATA_TFLAG_POLLING);
 
+		trace_ata_tf_load(ap, &qc->tf);
 		ap->ops->sff_tf_load(ap, &qc->tf);
 		acdev->dma_status = 0;
 		acdev->qc = qc;
+		trace_ata_bmdma_start(ap, &qc->tf, qc->tag);
 		arasan_cf_dma_start(acdev);
 		ap->hsm_task_state = HSM_ST_LAST;
 		break;
-- 
2.29.2
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