On 2015/7/30 13:55, Emmanuel Grumbach wrote: > On Thu, Jul 30, 2015 at 8:18 AM, Fu, Zhonghui > <zhonghui.fu@xxxxxxxxxxxxxxx> wrote: >> Enable wiphy device to suspend/resume asynchronously. This can improve >> system suspend/resume speed. >> > How will that impact the timing with respect to the suspend call > coming from the bus? > I think that a few drivers rely on the suspend call of the wiphy > device happening before the suspend call to the bus device. > Not sure though. Sorry for late reply. The suspend/resume timing of wiphy device and related devices will be ensured by their parent/child relationship. So, enabling wiphy device to suspend/resume asynchronously does not change any dependency. It can only take advantage of multicore and improve system suspend/resume speed. Thanks, Zhonghui > >> Signed-off-by: Zhonghui Fu <zhonghui.fu@xxxxxxxxxxxxxxx> >> --- >> net/wireless/core.c | 1 + >> 1 files changed, 1 insertions(+), 0 deletions(-) >> >> diff --git a/net/wireless/core.c b/net/wireless/core.c >> index 2a0bbd2..bc5e68f 100644 >> --- a/net/wireless/core.c >> +++ b/net/wireless/core.c >> @@ -416,6 +416,7 @@ use_default_name: >> device_initialize(&rdev->wiphy.dev); >> rdev->wiphy.dev.class = &ieee80211_class; >> rdev->wiphy.dev.platform_data = rdev; >> + device_enable_async_suspend(&rdev->wiphy.dev); >> >> INIT_LIST_HEAD(&rdev->destroy_list); >> spin_lock_init(&rdev->destroy_list_lock); >> -- 1.7.1 >> >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-wireless" in >> the body of a message to majordomo@xxxxxxxxxxxxxxx >> More majordomo info at http://vger.kernel.org/majordomo-info.html > -- > To unsubscribe from this list: send the line "unsubscribe netdev" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
