diff options
| author |   Uwe Kleine-König <uwe@kleine-koenig.org> | 2019-08-01 22:47:10 +0200 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2019-08-02 12:16:02 +0100 |
| commit | 3c0448d507d42605ab6811bcd61c1cd94390d2d8 (patch) | |
| tree | f36d5c128243aeba5b057fa797769d6f0ca0bbaa /drivers/spi/spi-atmel.c | |
| parent | spi: Remove dev_err() usage after platform_get_irq() (diff) | |
| download | linux-dev-3c0448d507d42605ab6811bcd61c1cd94390d2d8.tar.xz linux-dev-3c0448d507d42605ab6811bcd61c1cd94390d2d8.zip | |
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/spi-atmel.c')
| -rw-r--r-- | drivers/spi/spi-atmel.c | 5 |
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) |