Re: [PATCH 20/42] pata_arasan_cf: use generic tracepoints
From: Bartlomiej Zolnierkiewicz <hidden>
Date: 2020-03-02 17:40:40
On 2/13/20 10:53 AM, Hannes Reinecke wrote:
For completeness add generic tracepoints for bus-master DMA. Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Bartlomiej Zolnierkiewicz <redacted> Best regards, -- Bartlomiej Zolnierkiewicz Samsung R&D Institute Poland Samsung Electronics
quoted hunk
--- 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 e9cf31f38450..f066c47f8d6e 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;