From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752797AbaJUDnS (ORCPT ); Mon, 20 Oct 2014 23:43:18 -0400 Received: from va-smtp01.263.net ([54.88.144.211]:58951 "EHLO va-smtp01.263.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751181AbaJUDnQ (ORCPT ); Mon, 20 Oct 2014 23:43:16 -0400 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: <9a29b1cf89f30d2cd8fc7cc8694d68d8> X-DNS-TYPE: 1 From: zyw@rock-chips.com To: Heiko Stuebner Cc: Mike Turquette , Ian Campbell , dianders@chromium.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Kumar Gala , Russell King , linux-rockchip@lists.infradead.org, Rob Herring , Pawel Moll , Chris Zhong , Mark Rutland , linux-arm-kernel@lists.infradead.org, Linus Walleij Subject: [PATCH v3 1/6] pinctrl: rockchip: add suspend/resume functions Date: Mon, 20 Oct 2014 20:42:48 -0700 Message-Id: <1413862968-2691-1-git-send-email-zyw@rock-chips.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1413862894-2623-1-git-send-email-zyw@rock-chips.com> References: <1413862894-2623-1-git-send-email-zyw@rock-chips.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Chris support suspend/resume of pinctrl, it allows handling sleep mode for hogged pins in pinctrl Signed-off-by: Chris Signed-off-by: Chris Zhong --- Changes in v3: None Changes in v2: None drivers/pinctrl/pinctrl-rockchip.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c index d0f3c18..d384d99 100644 --- a/drivers/pinctrl/pinctrl-rockchip.c +++ b/drivers/pinctrl/pinctrl-rockchip.c @@ -1795,6 +1795,31 @@ static struct rockchip_pin_ctrl *rockchip_pinctrl_get_soc_data( return ctrl; } +#ifdef CONFIG_PM +static int rockchip_pinctrl_suspend(struct platform_device *pdev, + pm_message_t state) +{ + struct rockchip_pinctrl *info; + + info = platform_get_drvdata(pdev); + if (!info) + return -EINVAL; + + return pinctrl_force_sleep(info->pctl_dev); +} + +static int rockchip_pinctrl_resume(struct platform_device *pdev) +{ + struct rockchip_pinctrl *info; + + info = platform_get_drvdata(pdev); + if (!info) + return -EINVAL; + + return pinctrl_force_default(info->pctl_dev); +} +#endif + static int rockchip_pinctrl_probe(struct platform_device *pdev) { struct rockchip_pinctrl *info; @@ -2010,6 +2035,10 @@ static struct platform_driver rockchip_pinctrl_driver = { .owner = THIS_MODULE, .of_match_table = rockchip_pinctrl_dt_match, }, + #ifdef CONFIG_PM + .suspend = rockchip_pinctrl_suspend, + .resume = rockchip_pinctrl_resume, + #endif }; static int __init rockchip_pinctrl_drv_register(void) -- 1.7.9.5