From patchwork Sat Jun 30 10:33:15 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vignesh Raghavendra X-Patchwork-Id: 10498119 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id CD50C60230 for ; Sat, 30 Jun 2018 10:33:41 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BD83829248 for ; Sat, 30 Jun 2018 10:33:41 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B1AA22924A; Sat, 30 Jun 2018 10:33:41 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI, T_DKIM_INVALID autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3480F29248 for ; Sat, 30 Jun 2018 10:33:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S936973AbeF3Kcy (ORCPT ); Sat, 30 Jun 2018 06:32:54 -0400 Received: from fllv0016.ext.ti.com ([198.47.19.142]:43070 "EHLO fllv0016.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S936856AbeF3Kcu (ORCPT ); Sat, 30 Jun 2018 06:32:50 -0400 Received: from dflxv15.itg.ti.com ([128.247.5.124]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id w5UAWmqi064965; Sat, 30 Jun 2018 05:32:48 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1530354768; bh=N1O7OjeCgjP4thwXujxIi9rYHNRvlMyt2gg3WTu3sr4=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=JR7wukCEirID2PgvoWpHbgLZGTh93KAtNsG+f25lMZ3P+QPmri+4ULELUyMjHNq+H Caq+9x9w5J3jWtmtuwFZ0NAcGKLIMdajfdw4htquUNmC64T0FHVccwCTvHZLRubBaR rM5WAr2c5/tbPLrxOOqz/9/2N8zpqwbm/THkjVrw= Received: from DLEE109.ent.ti.com (dlee109.ent.ti.com [157.170.170.41]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id w5UAWmrg025985; Sat, 30 Jun 2018 05:32:48 -0500 Received: from DLEE113.ent.ti.com (157.170.170.24) by DLEE109.ent.ti.com (157.170.170.41) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1466.3; Sat, 30 Jun 2018 05:32:47 -0500 Received: from dflp33.itg.ti.com (10.64.6.16) by DLEE113.ent.ti.com (157.170.170.24) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_RSA_WITH_AES_256_CBC_SHA) id 15.1.1466.3 via Frontend Transport; Sat, 30 Jun 2018 05:32:47 -0500 Received: from a0132425.india.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dflp33.itg.ti.com (8.14.3/8.13.8) with ESMTP id w5UAWd6U013640; Sat, 30 Jun 2018 05:32:45 -0500 From: Vignesh R To: Jonathan Cameron , Dmitry Torokhov , Lee Jones CC: Vignesh R , , , , Subject: [PATCH 2/5] Input: ti_am335x_tsc: Mark TSC device as wakeup source Date: Sat, 30 Jun 2018 16:03:15 +0530 Message-ID: <20180630103318.25355-3-vigneshr@ti.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20180630103318.25355-1-vigneshr@ti.com> References: <20180630103318.25355-1-vigneshr@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Instead of TSCADC MFD device, mark TSC as wakeup source and change all wakeup related PM calls to operate on TSC device. Signed-off-by: Vignesh R Acked-by: Dmitry Torokhov --- drivers/input/touchscreen/ti_am335x_tsc.c | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-) diff --git a/drivers/input/touchscreen/ti_am335x_tsc.c b/drivers/input/touchscreen/ti_am335x_tsc.c index b86c1e5fbc11..a4f25a915ffc 100644 --- a/drivers/input/touchscreen/ti_am335x_tsc.c +++ b/drivers/input/touchscreen/ti_am335x_tsc.c @@ -46,6 +46,7 @@ static const int config_pins[] = { struct titsc { struct input_dev *input; struct ti_tscadc_dev *mfd_tscadc; + struct device *dev; unsigned int irq; unsigned int wires; unsigned int x_plate_resistance; @@ -276,7 +277,7 @@ static irqreturn_t titsc_irq(int irq, void *dev) if (status & IRQENB_HW_PEN) { ts_dev->pen_down = true; irqclr |= IRQENB_HW_PEN; - pm_stay_awake(ts_dev->mfd_tscadc->dev); + pm_stay_awake(ts_dev->dev); } if (status & IRQENB_PENUP) { @@ -286,7 +287,7 @@ static irqreturn_t titsc_irq(int irq, void *dev) input_report_key(input_dev, BTN_TOUCH, 0); input_report_abs(input_dev, ABS_PRESSURE, 0); input_sync(input_dev); - pm_relax(ts_dev->mfd_tscadc->dev); + pm_relax(ts_dev->dev); } else { ts_dev->pen_down = true; } @@ -422,6 +423,7 @@ static int titsc_probe(struct platform_device *pdev) ts_dev->mfd_tscadc = tscadc_dev; ts_dev->input = input_dev; ts_dev->irq = tscadc_dev->irq; + ts_dev->dev = &pdev->dev; err = titsc_parse_dt(pdev, ts_dev); if (err) { @@ -436,6 +438,8 @@ static int titsc_probe(struct platform_device *pdev) goto err_free_mem; } + device_init_wakeup(&pdev->dev, true); + titsc_writel(ts_dev, REG_IRQSTATUS, TSC_IRQENB_MASK); titsc_writel(ts_dev, REG_IRQENABLE, IRQENB_FIFO0THRES); titsc_writel(ts_dev, REG_IRQENABLE, IRQENB_EOS); @@ -467,6 +471,7 @@ static int titsc_probe(struct platform_device *pdev) return 0; err_free_irq: + device_init_wakeup(&pdev->dev, false); free_irq(ts_dev->irq, ts_dev); err_free_mem: input_free_device(input_dev); @@ -479,6 +484,7 @@ static int titsc_remove(struct platform_device *pdev) struct titsc *ts_dev = platform_get_drvdata(pdev); u32 steps; + device_init_wakeup(&pdev->dev, false); free_irq(ts_dev->irq, ts_dev); /* total steps followed by the enable mask */ @@ -499,7 +505,7 @@ static int __maybe_unused titsc_suspend(struct device *dev) unsigned int idle; tscadc_dev = ti_tscadc_dev_get(to_platform_device(dev)); - if (device_may_wakeup(tscadc_dev->dev)) { + if (device_may_wakeup(dev)) { titsc_writel(ts_dev, REG_IRQSTATUS, TSC_IRQENB_MASK); idle = titsc_readl(ts_dev, REG_IRQENABLE); titsc_writel(ts_dev, REG_IRQENABLE, @@ -515,11 +521,11 @@ static int __maybe_unused titsc_resume(struct device *dev) struct ti_tscadc_dev *tscadc_dev; tscadc_dev = ti_tscadc_dev_get(to_platform_device(dev)); - if (device_may_wakeup(tscadc_dev->dev)) { + if (device_may_wakeup(dev)) { titsc_writel(ts_dev, REG_IRQWAKEUP, 0x00); titsc_writel(ts_dev, REG_IRQCLR, IRQENB_HW_PEN); - pm_relax(ts_dev->mfd_tscadc->dev); + pm_relax(dev); } titsc_step_config(ts_dev); titsc_writel(ts_dev, REG_FIFO0THR,