evie/android_kernel_oneplus_msm8998
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Merge "icnss: Add support for suspend/resume"

Browse source
This commit is contained in:
Linux Build Service Account 2016-07-13 15:45:20 -07:00 • committed by Gerrit - the friendly Code Review server
commit da3d93c35c
1 changed files with 54 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

54
drivers/soc/qcom/icnss.c
View file

@ -133,6 +133,7 @@ enum icnss_driver_state {
ICNSS_FW_READY,
ICNSS_DRIVER_PROBED,
ICNSS_FW_TEST_MODE,
ICNSS_SUSPEND,
};
struct ce_irq_list {
@ -2002,6 +2003,9 @@ static int icnss_stats_show_state(struct seq_file *s, struct icnss_data *priv)
case ICNSS_FW_TEST_MODE:
seq_puts(s, "FW TEST MODE");
continue;
case ICNSS_SUSPEND:
seq_puts(s, "DRIVER SUSPENDED");
continue;
}
seq_printf(s, "UNKNOWN-%d", i);
@ -2362,6 +2366,54 @@ static int icnss_remove(struct platform_device *pdev)
return 0;
}
static int icnss_suspend(struct platform_device *pdev,
pm_message_t state)
{
int ret = 0;
if (!penv) {
ret = -ENODEV;
goto out;
}
icnss_pr_dbg("Driver suspending, state: 0x%lx\n",
penv->state);
if (!penv->ops)
goto out;
if (penv->ops->suspend)
ret = penv->ops->suspend(&pdev->dev, state);
out:
if (ret == 0)
set_bit(ICNSS_SUSPEND, &penv->state);
return ret;
}
static int icnss_resume(struct platform_device *pdev)
{
int ret = 0;
if (!penv) {
ret = -ENODEV;
goto out;
}
icnss_pr_dbg("Driver resuming, state: 0x%lx\n",
penv->state);
if (!penv->ops)
goto out;
if (penv->ops->resume)
ret = penv->ops->resume(&pdev->dev);
out:
if (ret == 0)
clear_bit(ICNSS_SUSPEND, &penv->state);
return ret;
}
static const struct of_device_id icnss_dt_match[] = {
{.compatible = "qcom,icnss"},
@ -2373,6 +2425,8 @@ MODULE_DEVICE_TABLE(of, icnss_dt_match);
static struct platform_driver icnss_driver = {
.probe = icnss_probe,
.remove = icnss_remove,
.suspend = icnss_suspend,
.resume = icnss_resume,
.driver = {
.name = "icnss",
.owner = THIS_MODULE,