diff options
| author | Sandeep Singh <sandeep@freescale.com> | 2014-03-14 22:26:37 (GMT) |
|---|---|---|
| committer | Jose Rivera <German.Rivera@freescale.com> | 2014-04-30 12:31:33 (GMT) |
| commit | d7dd4f316c573a4594ac8afe44523f7021829986 (patch) | |
| tree | 9c852339ecb07cdede74180d78611d91abb37fd1 /drivers/tdm | |
| parent | 5d12bee158a750764288d4177e89c4baf35a495e (diff) | |
| download | linux-fsl-qoriq-d7dd4f316c573a4594ac8afe44523f7021829986.tar.xz | |
tdm: Add power management support for fsl tdm
Added suspend and resume function for tdm.
Signed-off-by: Sandeep Singh <sandeep@freescale.com>
Change-Id: I6b237693735a85f23f20c8a80fa1e5e446820281
Reviewed-on: http://git.am.freescale.net:8181/9810
Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com>
Reviewed-by: Xiaobo Xie <X.Xie@freescale.com>
Reviewed-by: Qiang Zhao <qiang.zhao@freescale.com>
Reviewed-by: Yashpal Dutta <yashpal.dutta@freescale.com>
Reviewed-by: Jose Rivera <German.Rivera@freescale.com>
(cherry picked from commit 548f123adbc116cd39289ff08fce989a95fe6928)
Reviewed-on: http://git.am.freescale.net:8181/11318
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, |