From patchwork Fri May 31 10:13:01 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Hebbar, Gururaja" X-Patchwork-Id: 2641731 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) by patchwork1.kernel.org (Postfix) with ESMTP id AD10F3FD2B for ; Fri, 31 May 2013 10:11:54 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UiMJL-0007NG-ST; Fri, 31 May 2013 10:11:52 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1UiMJI-0005KO-CD; Fri, 31 May 2013 10:11:48 +0000 Received: from bear.ext.ti.com ([192.94.94.41]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UiMJE-0005J5-28 for linux-arm-kernel@lists.infradead.org; Fri, 31 May 2013 10:11:45 +0000 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by bear.ext.ti.com (8.13.7/8.13.7) with ESMTP id r4VABE1q023213; Fri, 31 May 2013 05:11:14 -0500 Received: from DFLE73.ent.ti.com (dfle73.ent.ti.com [128.247.5.110]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id r4VABEqU003453; Fri, 31 May 2013 05:11:14 -0500 Received: from dlelxv23.itg.ti.com (172.17.1.198) by DFLE73.ent.ti.com (128.247.5.110) with Microsoft SMTP Server id 14.2.342.3; Fri, 31 May 2013 05:11:14 -0500 Received: from ucmsshproxy.india.ext.ti.com (dbdp20.itg.ti.com [172.24.170.38]) by dlelxv23.itg.ti.com (8.13.8/8.13.8) with SMTP id r4VAB9un005838; Fri, 31 May 2013 05:11:10 -0500 Received: from symphony.india.ext.ti.com (unknown [192.168.247.13]) by ucmsshproxy.india.ext.ti.com (Postfix) with ESMTP id 68862158003; Fri, 31 May 2013 15:41:09 +0530 (IST) Received: from ubuntu-psp-linux.india.ext.ti.com (ubuntu-psp-linux [192.168.247.46]) by symphony.india.ext.ti.com (8.11.7p1+Sun/8.11.7) with ESMTP id r4VAB9R05832; Fri, 31 May 2013 15:41:09 +0530 (IST) From: Hebbar Gururaja To: , , , Subject: [PATCH 01/11] pinctrl: single: adopt pinctrl sleep mode management Date: Fri, 31 May 2013 15:43:01 +0530 Message-ID: <1369995191-20855-2-git-send-email-gururaja.hebbar@ti.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1369995191-20855-1-git-send-email-gururaja.hebbar@ti.com> References: <1369995191-20855-1-git-send-email-gururaja.hebbar@ti.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130531_061144_336231_59D8582D X-CRM114-Status: GOOD ( 10.75 ) X-Spam-Score: -8.0 (--------) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-8.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at http://www.dnswl.org/, high trust [192.94.94.41 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record -1.1 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: davinci-linux-open-source@linux.davincidsp.com, sudhakar.raj@ti.com, linux@arm.linux.org.uk, devicetree-discuss@lists.ozlabs.org, linux-kernel@vger.kernel.org, vaibhav.bedia@ti.com, gururaja.hebbar@ti.com, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Make pinctrl-single able to handle suspend/resume events and change hogged pins states accordingly. Signed-off-by: Hebbar Gururaja Cc: Linus Walleij Acked-by: Tony Lindgren --- :100644 100644 b9fa046... bfd4f6a... M drivers/pinctrl/pinctrl-single.c drivers/pinctrl/pinctrl-single.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c index b9fa046..bfd4f6a 100644 --- a/drivers/pinctrl/pinctrl-single.c +++ b/drivers/pinctrl/pinctrl-single.c @@ -1346,6 +1346,29 @@ static int pcs_add_gpio_func(struct device_node *node, struct pcs_device *pcs) return ret; } +static int pinctrl_single_suspend(struct platform_device *pdev, + pm_message_t state) +{ + struct pcs_device *pcs; + + pcs = platform_get_drvdata(pdev); + if (!pcs) + return -EINVAL; + + return pinctrl_force_sleep(pcs->pctl); +} + +static int pinctrl_single_resume(struct platform_device *pdev) +{ + struct pcs_device *pcs; + + pcs = platform_get_drvdata(pdev); + if (!pcs) + return -EINVAL; + + return pinctrl_force_default(pcs->pctl); +} + static int pcs_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; @@ -1494,6 +1517,10 @@ static struct platform_driver pcs_driver = { .name = DRIVER_NAME, .of_match_table = pcs_of_match, }, +#ifdef CONFIG_PM + .suspend = pinctrl_single_suspend, + .resume = pinctrl_single_resume, +#endif }; module_platform_driver(pcs_driver);