From patchwork Tue Oct 7 05:28:17 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Guenter Roeck X-Patchwork-Id: 397061 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 675FC1400DD for ; Tue, 7 Oct 2014 16:42:58 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754044AbaJGFmn (ORCPT ); Tue, 7 Oct 2014 01:42:43 -0400 Received: from bh-25.webhostbox.net ([208.91.199.152]:40615 "EHLO bh-25.webhostbox.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753543AbaJGFaA (ORCPT ); Tue, 7 Oct 2014 01:30:00 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=roeck-us.net; s=default; h=References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From; bh=fcvymCvliE01Rccz2Kc+g8IX+50uNiLnGQSwW/b3MiE=; b=XSU1O0KZSygB4+JEEocxObohI0NjvfV8tFnAXyg5JFE/LC0R8j4HkXflDZ9ChvG+qafWKnUb6rtjGWuiJsGluPfu8l3mK5xbmPnY9tAuHdRQI231HWywAROlkCAQLX90/K2cWnuluuXQjjpuoYuVXDMLw2RCcYvVNNnJe+wGoxQ=; Received: from mailnull by bh-25.webhostbox.net with sa-checked (Exim 4.82) (envelope-from ) id 1XbNLT-002cfa-MG for linux-tegra@vger.kernel.org; Tue, 07 Oct 2014 05:29:59 +0000 Received: from 108-223-40-66.lightspeed.sntcca.sbcglobal.net ([108.223.40.66]:32910 helo=localhost) by bh-25.webhostbox.net with esmtpa (Exim 4.82) (envelope-from ) id 1XbNL2-002azP-79; Tue, 07 Oct 2014 05:29:33 +0000 From: Guenter Roeck To: linux-kernel@vger.kernel.org Cc: adi-buildroot-devel@lists.sourceforge.net, devel@driverdev.osuosl.org, devicetree@vger.kernel.org, lguest@lists.ozlabs.org, linux-acpi@vger.kernel.org, linux-alpha@vger.kernel.org, linux-am33-list@redhat.com, linux-cris-kernel@axis.com, linux-efi@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-m32r-ja@ml.linux-m32r.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-tegra@vger.kernel.org, linux-xtensa@linux-xtensa.org, openipmi-developer@lists.sourceforge.net, user-mode-linux-devel@lists.sourceforge.net, linux-arm-kernel@lists.infradead.org, linux-c6x-dev@linux-c6x.org, linux-ia64@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-metag@vger.kernel.org, linux-mips@linux-mips.org, linux-parisc@vger.kernel.org, linux-pm@vger.kernel.org, linux-sh@vger.kernel.org, xen-devel@lists.xenproject.org, Guenter Roeck , Samuel Ortiz , Lee Jones Subject: [PATCH 15/44] mfd: dm355evm_msp: Register with kernel poweroff handler Date: Mon, 6 Oct 2014 22:28:17 -0700 Message-Id: <1412659726-29957-16-git-send-email-linux@roeck-us.net> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1412659726-29957-1-git-send-email-linux@roeck-us.net> References: <1412659726-29957-1-git-send-email-linux@roeck-us.net> X-Authenticated_sender: guenter@roeck-us.net X-OutGoing-Spam-Status: No, score=2.8 X-Spam-Checker-Version: spamc_ctasd client on localost X-Spam-Level: X-Spam-Status: No, score=0.0 required=50.0 tests=SpamClass_Unknown, VirusClass_Unknown autolearn=disabled version=1.0.0 X-CTCH-PVer: 0000001 X-CTCH-Spam: Unknown X-CTCH-VOD: Unknown X-CTCH-Flags: 0 X-CTCH-RefID: str=0001.0A020206.54337A58.0002, 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: 356 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-tegra-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org Register with kernel poweroff handler instead of setting pm_power_off directly. Register with a low priority value of 64 to reflect that the original code only sets pm_power_off if it was not already set. Cc: Samuel Ortiz Cc: Lee Jones Signed-off-by: Guenter Roeck --- drivers/mfd/dm355evm_msp.c | 18 +++++++++++++++--- 1 file changed, 15 insertions(+), 3 deletions(-) diff --git a/drivers/mfd/dm355evm_msp.c b/drivers/mfd/dm355evm_msp.c index 4c826f7..52a82f3 100644 --- a/drivers/mfd/dm355evm_msp.c +++ b/drivers/mfd/dm355evm_msp.c @@ -14,6 +14,8 @@ #include #include #include +#include +#include #include #include #include @@ -352,14 +354,22 @@ static void dm355evm_command(unsigned command) command, status); } -static void dm355evm_power_off(void) +static int dm355evm_power_off(struct notifier_block *this, + unsigned long unused1, void *unused2) { dm355evm_command(MSP_COMMAND_POWEROFF); + + return NOTIFY_DONE; } +static struct notifier_block dm355evm_msp_poweroff_nb = { + .notifier_call = dm355evm_power_off, + .priority = 64, +}; + static int dm355evm_msp_remove(struct i2c_client *client) { - pm_power_off = NULL; + unregister_poweroff_handler(&dm355evm_msp_poweroff_nb); msp430 = NULL; return 0; } @@ -398,7 +408,9 @@ dm355evm_msp_probe(struct i2c_client *client, const struct i2c_device_id *id) goto fail; /* PM hookup */ - pm_power_off = dm355evm_power_off; + status = register_poweroff_handler(&dm355evm_msp_poweroff_nb); + if (status) + dev_err(&client->dev, "Failed to register poweroff handler\n"); return 0;