From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752758AbaJCNNP (ORCPT ); Fri, 3 Oct 2014 09:13:15 -0400 Received: from bh-25.webhostbox.net ([208.91.199.152]:46870 "EHLO bh-25.webhostbox.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752063AbaJCNNN (ORCPT ); Fri, 3 Oct 2014 09:13:13 -0400 Message-ID: <542EA0B7.5040007@roeck-us.net> Date: Fri, 03 Oct 2014 06:12:23 -0700 From: Guenter Roeck User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.0 MIME-Version: 1.0 To: Catalin Marinas CC: "linux-kernel@vger.kernel.org" , "linux-pm@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-c6x-dev@linux-c6x.org" , "linux-ia64@vger.kernel.org" , "linux-metag@vger.kernel.org" , "linux-mips@linux-mips.org" , "linux-parisc@vger.kernel.org" , "linux-sh@vger.kernel.org" , "xen-devel@lists.xenproject.org" , Will Deacon Subject: Re: [RFC PATCH 05/16] arm64: support poweroff through poweroff handler call chain References: <1412100056-15517-1-git-send-email-linux@roeck-us.net> <1412100056-15517-6-git-send-email-linux@roeck-us.net> <20141003103056.GB14110@localhost> In-Reply-To: <20141003103056.GB14110@localhost> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-Authenticated_sender: linux@roeck-us.net X-OutGoing-Spam-Status: No, score=-1.0 X-CTCH-PVer: 0000001 X-CTCH-Spam: Unknown X-CTCH-VOD: Unknown X-CTCH-Flags: 0 X-CTCH-RefID: str=0001.0A020204.542EA0E9.0119,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0 X-CTCH-Score: 0.000 X-CTCH-ScoreCust: 0.000 X-CTCH-Rules: X-CTCH-SenderID: linux@roeck-us.net X-CTCH-SenderID-Flags: 0 X-CTCH-SenderID-TotalMessages: 11 X-CTCH-SenderID-TotalSpam: 0 X-CTCH-SenderID-TotalSuspected: 0 X-CTCH-SenderID-TotalConfirmed: 0 X-CTCH-SenderID-TotalBulk: 0 X-CTCH-SenderID-TotalVirus: 0 X-CTCH-SenderID-TotalRecipients: 0 X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - bh-25.webhostbox.net X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - roeck-us.net X-Get-Message-Sender-Via: bh-25.webhostbox.net: mailgid no entry from get_relayhosts_entry X-Source: X-Source-Args: X-Source-Dir: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/03/2014 03:30 AM, Catalin Marinas wrote: > On Tue, Sep 30, 2014 at 07:00:45PM +0100, Guenter Roeck wrote: >> The kernel core now supports a poweroff handler call chain >> to remove power from the system. Call it if pm_power_off >> is set to NULL. >> >> Cc: Catalin Marinas >> Cc: Will Deacon >> Signed-off-by: Guenter Roeck >> --- >> arch/arm64/kernel/process.c | 2 ++ >> 1 file changed, 2 insertions(+) >> >> diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c >> index 398ab05..cc0c63e 100644 >> --- a/arch/arm64/kernel/process.c >> +++ b/arch/arm64/kernel/process.c >> @@ -157,6 +157,8 @@ void machine_power_off(void) >> smp_send_stop(); >> if (pm_power_off) >> pm_power_off(); >> + else >> + do_kernel_poweroff(); > > Acked-by: Catalin Marinas > > As others already stated, I think we should eventually remove > pm_power_off entirely. > Hi Catalin, yes, already working on it. As suggested by others, I'll move pm_power_off to a central location (no need to declare the same variable for each architecture) and hide the call to it in do_kernel_poweroff() as a first step. You'll see this in the next version of the series. This will make it much easier to remove it later on. Thanks, Guenter