From: Mark Brown broonie@linaro.org
Signed-off-by: Mark Brown broonie@linaro.org --- drivers/spi/spi-tegra20-slink.c | 26 +------------------------- 1 file changed, 1 insertion(+), 25 deletions(-)
diff --git a/drivers/spi/spi-tegra20-slink.c b/drivers/spi/spi-tegra20-slink.c index b2fb115..c703536 100644 --- a/drivers/spi/spi-tegra20-slink.c +++ b/drivers/spi/spi-tegra20-slink.c @@ -824,20 +824,6 @@ static int tegra_slink_setup(struct spi_device *spi) return 0; }
-static int tegra_slink_prepare_transfer(struct spi_master *spi) -{ - struct tegra_slink_data *tspi = spi_master_get_devdata(spi); - int ret; - - ret = pm_runtime_get_sync(tspi->dev); - if (ret < 0) { - dev_err(tspi->dev, "runtime PM get failed: %d\n", ret); - return ret; - } - - return ret; -} - static int tegra_slink_transfer_one_message(struct spi_master *master, struct spi_message *msg) { @@ -892,15 +878,6 @@ exit: return ret; }
-static int tegra_slink_unprepare_transfer(struct spi_master *spi) -{ - struct tegra_slink_data *tspi = spi_master_get_devdata(spi); - - pm_runtime_put(tspi->dev); - - return 0; -} - static irqreturn_t handle_cpu_based_xfer(struct tegra_slink_data *tspi) { struct spi_transfer *t = tspi->curr_xfer; @@ -1101,9 +1078,8 @@ static int tegra_slink_probe(struct platform_device *pdev) /* the spi->mode bits understood by this driver: */ master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH; master->setup = tegra_slink_setup; - master->prepare_transfer_hardware = tegra_slink_prepare_transfer; master->transfer_one_message = tegra_slink_transfer_one_message; - master->unprepare_transfer_hardware = tegra_slink_unprepare_transfer; + master->auto_runtime_pm = true; master->num_chipselect = MAX_CHIP_SELECT; master->bus_num = -1;