hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

spi/tegra114: 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 15:37:31 +01:00
parent fc0f81b76a
commit 612aa5ced7
1 changed files with 1 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
drivers/spi/spi-tegra114.c
View File

@ -803,20 +803,6 @@ static int tegra_spi_setup(struct spi_device *spi)
return 0;
}
static int tegra_spi_prepare_transfer(struct spi_master *spi)
{
struct tegra_spi_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_spi_transfer_one_message(struct spi_master *master,
struct spi_message *msg)
{
@ -870,15 +856,6 @@ exit:
return ret;
}
static int tegra_spi_unprepare_transfer(struct spi_master *spi)
{
struct tegra_spi_data *tspi = spi_master_get_devdata(spi);
pm_runtime_put(tspi->dev);
return 0;
}
static irqreturn_t handle_cpu_based_xfer(struct tegra_spi_data *tspi)
{
struct spi_transfer *t = tspi->curr_xfer;
@ -1064,11 +1041,10 @@ static int tegra_spi_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_spi_setup;
master->prepare_transfer_hardware = tegra_spi_prepare_transfer;
master->transfer_one_message = tegra_spi_transfer_one_message;
master->unprepare_transfer_hardware = tegra_spi_unprepare_transfer;
master->num_chipselect = MAX_CHIP_SELECT;
master->bus_num = -1;
master->auto_runtime_pm = true;
tspi->master = master;
tspi->dev = &pdev->dev;