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authorUwe Kleine-König <uwe@kleine-koenig.org>2019-08-01 23:47:10 +0300
committerMark Brown <broonie@kernel.org>2019-08-02 14:16:02 +0300
commit3c0448d507d42605ab6811bcd61c1cd94390d2d8 (patch)
treef36d5c128243aeba5b057fa797769d6f0ca0bbaa /drivers/spi
parent6b8ac10e0dd4b49eda513c1aa5045b3b1660d350 (diff)
downloadlinux-3c0448d507d42605ab6811bcd61c1cd94390d2d8.tar.xz
spi: atmel: 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 <uwe@kleine-koenig.org> Link: https://lore.kernel.org/r/20190801204710.27309-1-uwe@kleine-koenig.org Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi')
-rw-r--r--drivers/spi/spi-atmel.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c
index f00b367523cd..acf318e7330c 100644
--- a/drivers/spi/spi-atmel.c
+++ b/drivers/spi/spi-atmel.c
@@ -23,6 +23,7 @@
#include <linux/gpio/consumer.h>
#include <linux/pinctrl/consumer.h>
#include <linux/pm_runtime.h>
+#include <trace/events/spi.h>
/* SPI register offsets */
#define SPI_CR 0x0000
@@ -1409,9 +1410,13 @@ static int atmel_spi_transfer_one_message(struct spi_master *master,
msg->actual_length = 0;
list_for_each_entry(xfer, &msg->transfers, transfer_list) {
+ trace_spi_transfer_start(msg, xfer);
+
ret = atmel_spi_one_transfer(master, msg, xfer);
if (ret)
goto msg_done;
+
+ trace_spi_transfer_stop(msg, xfer);
}
if (as->use_pdc)