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authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>2019-01-29 14:48:17 +0100
committerMark Brown <broonie@kernel.org>2019-01-29 15:08:58 +0000
commitf3fdea3af405f3269099a695d670675cddcd0bfc (patch)
treeb1eb5dee4ffee2d947b076283093825e9aaf0db6 /drivers/spi
parentc55d0e8c543bfd21f0dce73024e5f6a9a306b834 (diff)
downloadlwn-f3fdea3af405f3269099a695d670675cddcd0bfc.tar.gz
lwn-f3fdea3af405f3269099a695d670675cddcd0bfc.zip
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>
Diffstat (limited to 'drivers/spi')
-rw-r--r--drivers/spi/spi-mxs.c5
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;