spi: mxs: add tracing to custom .transfer_one_message callback

Driver specific implementations for .transfer_one_message need to call
the tracing stuff themself. This is necessary to make spi tracing
actually useful.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/spi/spi-mxs.c b/drivers/spi/spi-mxs.c
index 6ac95a2a21ce..7bf53cfc25d6 100644
--- a/drivers/spi/spi-mxs.c
+++ b/drivers/spi/spi-mxs.c
@@ -39,6 +39,7 @@
 #include <linux/stmp_device.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/mxs-spi.h>
+#include <trace/events/spi.h>
 
 #define DRIVER_NAME             "mxs-spi"
 
@@ -374,6 +375,8 @@ static int mxs_spi_transfer_one(struct spi_master *master,
 
         list_for_each_entry(t, &m->transfers, transfer_list) {
 
+                trace_spi_transfer_start(m, t);
+
                 status = mxs_spi_setup_transfer(m->spi, t);
                 if (status)
                         break;
@@ -419,6 +422,8 @@ static int mxs_spi_transfer_one(struct spi_master *master,
                                                 flag);
                 }
 
+                trace_spi_transfer_stop(m, t);
+
                 if (status) {
                         stmp_reset_block(ssp->base);
                         break;