@@ -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;
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> --- drivers/spi/spi-mxs.c | 5 +++++ 1 file changed, 5 insertions(+)