diff options
Diffstat (limited to 'drivers/tdm')
| -rw-r--r-- | drivers/tdm/device/tdm_fsl.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/tdm/device/tdm_fsl.c b/drivers/tdm/device/tdm_fsl.c index 8140a06..8a8465b 100644 --- a/drivers/tdm/device/tdm_fsl.c +++ b/drivers/tdm/device/tdm_fsl.c @@ -845,6 +845,33 @@ static int tdm_fsl_remove(struct platform_device *ofdev) return 0; } +#ifdef CONFIG_PM +static int fsl_tdm_suspend(struct device *dev) +{ + struct tdm_priv *priv = dev_get_drvdata(dev); + if (!priv) + return -EINVAL; + + tdm_fsl_stop(priv); + + return 0; +} + +static int fsl_tdm_resume(struct device *dev) +{ + struct tdm_priv *priv = dev_get_drvdata(dev); + if (!priv) + return -EINVAL; + + tdm_fsl_reg_init(priv); + tdm_fsl_enable(priv->adap); + + return 0; +} + +SIMPLE_DEV_PM_OPS(fsl_tdm_pm_ops, fsl_tdm_suspend, fsl_tdm_resume); +#endif + static const struct of_device_id fsl_tdm_match[] = { { .compatible = "fsl,tdm1.0", @@ -859,6 +886,9 @@ static struct platform_driver tdm_fsl_driver = { .owner = THIS_MODULE, .name = DRV_NAME, .of_match_table = fsl_tdm_match, +#ifdef CONFIG_PM + .pm = &fsl_tdm_pm_ops, +#endif }, .probe = tdm_fsl_probe, |