diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-04-14 18:44:38 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-04-14 18:44:38 -0700 |
| commit | 2bb590b80b2f057d9277adc86a0858843d15fca6 (patch) | |
| tree | 5938e2c0bc92c575a458f3118cf3a6b6e65d3d6c /drivers/spi/spi-tegra20-slink.c | |
| parent | c0e03084000a54d75d1440cce5b71aa9db5a5836 (diff) | |
| parent | 41ef2d5678d83af030125550329b6ae8b74618fa (diff) | |
Merge 3.9-rc7 into staging-next
We want these fixes here.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/spi/spi-tegra20-slink.c')
| -rw-r--r-- | drivers/spi/spi-tegra20-slink.c | 25 |
1 files changed, 8 insertions, 17 deletions
diff --git a/drivers/spi/spi-tegra20-slink.c b/drivers/spi/spi-tegra20-slink.c index b8698b389ef..a829563f471 100644 --- a/drivers/spi/spi-tegra20-slink.c +++ b/drivers/spi/spi-tegra20-slink.c @@ -858,21 +858,6 @@ static int tegra_slink_setup(struct spi_device *spi) return 0; } -static int tegra_slink_prepare_transfer(struct spi_master *master) -{ - struct tegra_slink_data *tspi = spi_master_get_devdata(master); - - return pm_runtime_get_sync(tspi->dev); -} - -static int tegra_slink_unprepare_transfer(struct spi_master *master) -{ - struct tegra_slink_data *tspi = spi_master_get_devdata(master); - - pm_runtime_put(tspi->dev); - return 0; -} - static int tegra_slink_transfer_one_message(struct spi_master *master, struct spi_message *msg) { @@ -885,6 +870,12 @@ static int tegra_slink_transfer_one_message(struct spi_master *master, msg->status = 0; msg->actual_length = 0; + ret = pm_runtime_get_sync(tspi->dev); + if (ret < 0) { + dev_err(tspi->dev, "runtime get failed: %d\n", ret); + goto done; + } + single_xfer = list_is_singular(&msg->transfers); list_for_each_entry(xfer, &msg->transfers, transfer_list) { INIT_COMPLETION(tspi->xfer_completion); @@ -921,6 +912,8 @@ static int tegra_slink_transfer_one_message(struct spi_master *master, exit: tegra_slink_writel(tspi, tspi->def_command_reg, SLINK_COMMAND); tegra_slink_writel(tspi, tspi->def_command2_reg, SLINK_COMMAND2); + pm_runtime_put(tspi->dev); +done: msg->status = ret; spi_finalize_current_message(master); return ret; @@ -1148,9 +1141,7 @@ 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->num_chipselect = MAX_CHIP_SELECT; master->bus_num = -1; |