Commit ce74ac80 authored by Mark Brown's avatar Mark Brown
Browse files

spi/tegra20-slink: Use core runtime PM 



Signed-off-by: default avatarMark Brown <broonie@linaro.org>
Reviewed-by: default avatarStephen Warren <swarren@nvidia.com>
parent 38315fd4

drivers/spi/spi-tegra20-slink.c

+1 −25
Original line number Diff line number Diff line
@@ -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 @@ static int tegra_slink_transfer_one_message(struct spi_master *master, 
	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;