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Commit 38315fd4 authored by Mark Brown's avatar Mark Brown
Browse files

spi/tegra20-sflash: Use core runtime PM 



Signed-off-by: default avatarMark Brown <broonie@linaro.org>
Reviewed-by: default avatarStephen Warren <swarren@nvidia.com>
parent 612aa5ce

drivers/spi/spi-tegra20-sflash.c

+1 −25
Original line number Diff line number Diff line
@@ -325,20 +325,6 @@ static int tegra_sflash_setup(struct spi_device *spi) 
	return 0;

}



static int tegra_sflash_prepare_transfer(struct spi_master *spi)

{

	struct tegra_sflash_data *tsd = spi_master_get_devdata(spi);

	int ret;



	ret = pm_runtime_get_sync(tsd->dev);

	if (ret < 0) {

		dev_err(tsd->dev, "runtime PM get failed: %d\n", ret);

		return ret;

	}



	return ret;

}



static int tegra_sflash_transfer_one_message(struct spi_master *master,

			struct spi_message *msg)

{
@@ -391,15 +377,6 @@ static int tegra_sflash_transfer_one_message(struct spi_master *master, 
	return ret;

}



static int tegra_sflash_unprepare_transfer(struct spi_master *spi)

{

	struct tegra_sflash_data *tsd = spi_master_get_devdata(spi);



	pm_runtime_put(tsd->dev);



	return 0;

}



static irqreturn_t handle_cpu_based_xfer(struct tegra_sflash_data *tsd)

{

	struct spi_transfer *t = tsd->curr_xfer;
@@ -492,9 +469,8 @@ static int tegra_sflash_probe(struct platform_device *pdev) 
	/* the spi->mode bits understood by this driver: */

	master->mode_bits = SPI_CPOL | SPI_CPHA;

	master->setup = tegra_sflash_setup;

	master->prepare_transfer_hardware = tegra_sflash_prepare_transfer;

	master->transfer_one_message = tegra_sflash_transfer_one_message;

	master->unprepare_transfer_hardware = tegra_sflash_unprepare_transfer;

	master->auto_runtime_pm = true;

	master->num_chipselect = MAX_CHIP_SELECT;

	master->bus_num = -1;