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OpenCloudOS-Kernel
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spi/tegra20-sflash: Use core runtime PM 

Signed-off-by: Mark Brown <broonie@linaro.org>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
This commit is contained in:
Mark Brown 2013-07-28 15:37:46 +01:00
parent 612aa5ced7
commit 38315fd48d
1 changed files with 1 additions and 25 deletions
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26
drivers/spi/spi-tegra20-sflash.c
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@ -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 @@ exit:
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;