linux-kernel - Re: linux-next: build failure after merge of the suspend tree

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Date:	Sat, 8 May 2010 04:13:24 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Helmut Schaa <Helmut.Schaa@....de>,
	"John W. Linville" <linville@...driver.com>,
	David Miller <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: linux-next: build failure after merge of the suspend tree

On Friday 07 May 2010, Stephen Rothwell wrote:
> Hi Rafael,
> 
> After merging the suspend tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
> 
> net/mac80211/scan.c: In function 'ieee80211_scan_state_decision':
> net/mac80211/scan.c:510: error: implicit declaration of function 'pm_qos_requirement'
> 
> Caused by commit 62bad14fc6e0911a99882c261390968977d43283 ("PM QOS
> update") from the suspend tree interacting with commit
> df13cce53a7b28a81460e6bfc4857e9df4956141 ("mac80211: Improve software
> scan timing") from the net tree.
> 
> I have added the following merge fixup patch and can carry it as
> necessary:

Thanks a lot, please do so if that's not a problem.

Both trees are based on Linus' current and I don't see a good way of fixing
this issue in any of them individually.

Rafael


> From: Stephen Rothwell <sfr@...b.auug.org.au>
> Date: Fri, 7 May 2010 13:02:54 +1000
> Subject: [PATCH] wireless: update for pm_qos_requirement to pm_qos_request rename
> 
> Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
> ---
>  net/mac80211/scan.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
> index e14c441..e1b0be7 100644
> --- a/net/mac80211/scan.c
> +++ b/net/mac80211/scan.c
> @@ -510,7 +510,7 @@ static int ieee80211_scan_state_decision(struct ieee80211_local *local,
>  		bad_latency = time_after(jiffies +
>  				ieee80211_scan_get_channel_time(next_chan),
>  				local->leave_oper_channel_time +
> -				usecs_to_jiffies(pm_qos_requirement(PM_QOS_NETWORK_LATENCY)));
> +				usecs_to_jiffies(pm_qos_request(PM_QOS_NETWORK_LATENCY)));
>  
>  		listen_int_exceeded = time_after(jiffies +
>  				ieee80211_scan_get_channel_time(next_chan),
> 

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