From patchwork Tue Oct 21 23:19:17 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Zhong X-Patchwork-Id: 5128751 Return-Path: X-Original-To: patchwork-linux-rockchip@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 9170D9F349 for ; Tue, 21 Oct 2014 23:20:02 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 83A79201FE for ; Tue, 21 Oct 2014 23:20:01 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A6EB1201ED for ; Tue, 21 Oct 2014 23:20:00 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1Xgiie-0007Bj-BF; Tue, 21 Oct 2014 23:20:00 +0000 Received: from va-smtp01.263.net ([54.88.144.211]) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1XgiiU-00076o-GY; Tue, 21 Oct 2014 23:19:50 +0000 Received: from leejh-Precision-WorkStation-T3500.corp.google.com (localhost.localdomain [127.0.0.1]) by va-smtp01.263.net (Postfix) with ESMTP id 994067F90E; Wed, 22 Oct 2014 07:19:22 +0800 (CST) X-RL-SENDER: zyw@rock-chips.com X-FST-TO: heiko@sntech.de X-SENDER-IP: 127.0.0.1 X-LOGIN-NAME: zyw@rock-chips.com X-UNIQUE-TAG: <7bb22b7c9724ef2080e8132ef7e3ef9f> X-SENDER: zyw@rock-chips.com X-DNS-TYPE: 1 Received: from leejh-Precision-WorkStation-T3500.corp.google.com (localhost [127.0.0.1]) by va-smtp01.263.net (Postfix) whith ESMTP id 32073P65URO; Wed, 22 Oct 2014 07:19:22 +0800 (CST) From: Chris Zhong To: Heiko Stuebner Subject: [PATCH v4 1/6] pinctrl: rockchip: add suspend/resume functions Date: Tue, 21 Oct 2014 16:19:17 -0700 Message-Id: <1413933557-25684-1-git-send-email-zyw@rock-chips.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1413933461-25602-1-git-send-email-zyw@rock-chips.com> References: <1413933461-25602-1-git-send-email-zyw@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20141021_161950_623615_9A6E0C0C X-CRM114-Status: UNSURE ( 8.62 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.0 (/) Cc: Mark Rutland , devicetree@vger.kernel.org, Mike Turquette , Pawel Moll , Ian Campbell , Linus Walleij , dianders@chromium.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, Rob Herring , Kumar Gala , Chris Zhong , Russell King , linux-arm-kernel@lists.infradead.org X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-3.3 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Chris support suspend/resume of pinctrl, it allows handling sleep mode for hogged pins in pinctrl Signed-off-by: Chris Zhong Tested-by: Doug Anderson --- Changes in v4: - use SIMPLE_DEV_PM_OPS for suspend/resume struct Changes in v3: None Changes in v2: None drivers/pinctrl/pinctrl-rockchip.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c index 016f457..c4a988d 100644 --- a/drivers/pinctrl/pinctrl-rockchip.c +++ b/drivers/pinctrl/pinctrl-rockchip.c @@ -1770,6 +1770,25 @@ static struct rockchip_pin_ctrl *rockchip_pinctrl_get_soc_data( return ctrl; } +#ifdef CONFIG_PM_SLEEP +static int rockchip_pinctrl_suspend(struct device *dev) +{ + struct rockchip_pinctrl *info = dev_get_drvdata(dev); + + return pinctrl_force_sleep(info->pctl_dev); +} + +static int rockchip_pinctrl_resume(struct device *dev) +{ + struct rockchip_pinctrl *info = dev_get_drvdata(dev); + + return pinctrl_force_default(info->pctl_dev); +} +#endif + +static SIMPLE_DEV_PM_OPS(rockchip_pinctrl_dev_pm_ops, rockchip_pinctrl_suspend, + rockchip_pinctrl_resume); + static int rockchip_pinctrl_probe(struct platform_device *pdev) { struct rockchip_pinctrl *info; @@ -1983,6 +2002,7 @@ static struct platform_driver rockchip_pinctrl_driver = { .driver = { .name = "rockchip-pinctrl", .owner = THIS_MODULE, + .pm = &rockchip_pinctrl_dev_pm_ops, .of_match_table = rockchip_pinctrl_dt_match, }, };