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Message-ID: <CANUX_P3PMsvWCWWciwCsRvf5PqLVEK9d9S=2Gbq+EotVGffEow@mail.gmail.com>
Date: Thu, 30 Jul 2015 08:55:50 +0300
From: Emmanuel Grumbach <egrumbach@...il.com>
To: "Fu, Zhonghui" <zhonghui.fu@...ux.intel.com>
Cc: Johannes Berg <johannes@...solutions.net>,
David Miller <davem@...emloft.net>,
"linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] net/wireless: enable wiphy device to suspend/resume asynchronously
On Thu, Jul 30, 2015 at 8:18 AM, Fu, Zhonghui
<zhonghui.fu@...ux.intel.com> 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.
> Signed-off-by: Zhonghui Fu <zhonghui.fu@...ux.intel.com>
> ---
> 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
>
> --
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