spi/tegra20-sflash: Use core runtime PM
Signed-off-by: Mark Brown <broonie@linaro.org> Reviewed-by: Stephen Warren <swarren@nvidia.com>
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@ -325,20 +325,6 @@ static int tegra_sflash_setup(struct spi_device *spi)
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return 0;
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}
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static int tegra_sflash_prepare_transfer(struct spi_master *spi)
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{
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struct tegra_sflash_data *tsd = spi_master_get_devdata(spi);
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int ret;
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ret = pm_runtime_get_sync(tsd->dev);
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if (ret < 0) {
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dev_err(tsd->dev, "runtime PM get failed: %d\n", ret);
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return ret;
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}
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return ret;
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}
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static int tegra_sflash_transfer_one_message(struct spi_master *master,
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struct spi_message *msg)
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{
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@ -391,15 +377,6 @@ exit:
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return ret;
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}
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static int tegra_sflash_unprepare_transfer(struct spi_master *spi)
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{
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struct tegra_sflash_data *tsd = spi_master_get_devdata(spi);
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pm_runtime_put(tsd->dev);
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return 0;
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}
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static irqreturn_t handle_cpu_based_xfer(struct tegra_sflash_data *tsd)
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{
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struct spi_transfer *t = tsd->curr_xfer;
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@ -492,9 +469,8 @@ static int tegra_sflash_probe(struct platform_device *pdev)
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/* the spi->mode bits understood by this driver: */
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master->mode_bits = SPI_CPOL | SPI_CPHA;
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master->setup = tegra_sflash_setup;
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master->prepare_transfer_hardware = tegra_sflash_prepare_transfer;
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master->transfer_one_message = tegra_sflash_transfer_one_message;
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master->unprepare_transfer_hardware = tegra_sflash_unprepare_transfer;
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master->auto_runtime_pm = true;
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master->num_chipselect = MAX_CHIP_SELECT;
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master->bus_num = -1;
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