diff options
| author | Dave Airlie <airlied@redhat.com> | 2018-10-04 11:03:34 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2018-10-04 11:03:34 +1000 |
| commit | 6004f172b375f5747e89afc62ad3baaf1bebd58a (patch) | |
| tree | 914fafcc0e373c45c6e0dcc3661dad3a8be5f3d1 /drivers/spi/spi-rspi.c | |
| parent | 612c6bd5e3f8b67505316805dc15369598f6ff57 (diff) | |
| parent | 17b57b1883c1285f3d0dc2266e8f79286a7bef38 (diff) | |
| download | linux-6004f172b375f5747e89afc62ad3baaf1bebd58a.tar.bz2 | |
BackMerge v4.19-rc6 into drm-next
I have some pulls based on rc6, and I prefer to have an explicit backmerge.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/spi/spi-rspi.c')
| -rw-r--r-- | drivers/spi/spi-rspi.c | 34 |
1 files changed, 30 insertions, 4 deletions
diff --git a/drivers/spi/spi-rspi.c b/drivers/spi/spi-rspi.c index 95dc4d78618d..b37de1d991d6 100644 --- a/drivers/spi/spi-rspi.c +++ b/drivers/spi/spi-rspi.c @@ -598,11 +598,13 @@ static int rspi_dma_transfer(struct rspi_data *rspi, struct sg_table *tx, ret = wait_event_interruptible_timeout(rspi->wait, rspi->dma_callbacked, HZ); - if (ret > 0 && rspi->dma_callbacked) + if (ret > 0 && rspi->dma_callbacked) { ret = 0; - else if (!ret) { - dev_err(&rspi->master->dev, "DMA timeout\n"); - ret = -ETIMEDOUT; + } else { + if (!ret) { + dev_err(&rspi->master->dev, "DMA timeout\n"); + ret = -ETIMEDOUT; + } if (tx) dmaengine_terminate_all(rspi->master->dma_tx); if (rx) @@ -1350,12 +1352,36 @@ static const struct platform_device_id spi_driver_ids[] = { MODULE_DEVICE_TABLE(platform, spi_driver_ids); +#ifdef CONFIG_PM_SLEEP +static int rspi_suspend(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct rspi_data *rspi = platform_get_drvdata(pdev); + + return spi_master_suspend(rspi->master); +} + +static int rspi_resume(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct rspi_data *rspi = platform_get_drvdata(pdev); + + return spi_master_resume(rspi->master); +} + +static SIMPLE_DEV_PM_OPS(rspi_pm_ops, rspi_suspend, rspi_resume); +#define DEV_PM_OPS &rspi_pm_ops +#else +#define DEV_PM_OPS NULL +#endif /* CONFIG_PM_SLEEP */ + static struct platform_driver rspi_driver = { .probe = rspi_probe, .remove = rspi_remove, .id_table = spi_driver_ids, .driver = { .name = "renesas_spi", + .pm = DEV_PM_OPS, .of_match_table = of_match_ptr(rspi_of_match), }, }; |