diff options
| -rw-r--r-- | Documentation/power/runtime_pm.txt | 3 | ||||
| -rw-r--r-- | drivers/thunderbolt/icm.c | 9 |
2 files changed, 10 insertions, 2 deletions
diff --git a/Documentation/power/runtime_pm.txt b/Documentation/power/runtime_pm.txt index 0fde3dcf077a..625549d4c74a 100644 --- a/Documentation/power/runtime_pm.txt +++ b/Documentation/power/runtime_pm.txt @@ -435,7 +435,8 @@ drivers/base/power/runtime.c and include/linux/pm_runtime.h: PM status to 'suspended' and update its parent's counter of 'active' children as appropriate (it is only valid to use this function if 'power.runtime_error' is set or 'power.disable_depth' is greater than - zero) + zero); it will fail and return an error code if the device has a child + which is active and the 'power.ignore_children' flag is unset bool pm_runtime_active(struct device *dev); - return true if the device's runtime PM status is 'active' or its diff --git a/drivers/thunderbolt/icm.c b/drivers/thunderbolt/icm.c index 8ee340290219..bdaac1ff00a5 100644 --- a/drivers/thunderbolt/icm.c +++ b/drivers/thunderbolt/icm.c @@ -904,7 +904,14 @@ static int icm_driver_ready(struct tb *tb) static int icm_suspend(struct tb *tb) { - return nhi_mailbox_cmd(tb->nhi, NHI_MAILBOX_SAVE_DEVS, 0); + int ret; + + ret = nhi_mailbox_cmd(tb->nhi, NHI_MAILBOX_SAVE_DEVS, 0); + if (ret) + tb_info(tb, "Ignoring mailbox command error (%d) in %s\n", + ret, __func__); + + return 0; } /* |