diff options
author | Takashi Iwai <tiwai@suse.de> | 2013-04-12 10:27:39 +0200 |
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committer | Takashi Iwai <tiwai@suse.de> | 2013-04-12 10:27:39 +0200 |
commit | 232a73dda2f2dba9002b727eb3ec76d82882b90c (patch) | |
tree | 308cdeea9bf18de71af79dcd5a30a8f2be9af6da /drivers/spi/spi-tegra20-slink.c | |
parent | 889d66848b12d891248b03abcb2a42047f8e172a (diff) | |
parent | ca62bed0bbf9baf88d8bb404d72dee3b44ef057e (diff) |
Merge tag 'asoc-v3.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Updates for v3.9
A few updates, more than I'd like, fixing some relatively small issues
but mostly driver specific ones. Nothing wildly exciting so if it
doesn't make v3.9 it won't be the end of the world but it'd be nice.
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 b8698b389ef3..a829563f4713 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; |