From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751590AbeDNJvs (ORCPT ); Sat, 14 Apr 2018 05:51:48 -0400 Received: from fllnx210.ext.ti.com ([198.47.19.17]:22222 "EHLO fllnx210.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750920AbeDNJvN (ORCPT ); Sat, 14 Apr 2018 05:51:13 -0400 From: Vignesh R To: Dmitry Torokhov CC: Vignesh R , Grygorii Strashko , , , , Tony Lindgren Subject: [PATCH v2 1/3] Input: ti_am335x_tsc - Mark IRQ as wakeup capable Date: Sat, 14 Apr 2018 15:21:51 +0530 Message-ID: <20180414095153.32060-2-vigneshr@ti.com> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180414095153.32060-1-vigneshr@ti.com> References: <20180414095153.32060-1-vigneshr@ti.com> MIME-Version: 1.0 Content-Type: text/plain X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On AM335x, ti_am335x_tsc can wake up the system from suspend, mark the IRQ as wakeup capable, so that device irq is not disabled during system suspend. Signed-off-by: Vignesh R --- v2: No changes drivers/input/touchscreen/ti_am335x_tsc.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/input/touchscreen/ti_am335x_tsc.c b/drivers/input/touchscreen/ti_am335x_tsc.c index f1043ae71dcc..810e05c9c4f5 100644 --- a/drivers/input/touchscreen/ti_am335x_tsc.c +++ b/drivers/input/touchscreen/ti_am335x_tsc.c @@ -27,6 +27,7 @@ #include #include #include +#include #include @@ -432,6 +433,12 @@ static int titsc_probe(struct platform_device *pdev) goto err_free_mem; } + if (device_may_wakeup(tscadc_dev->dev)) { + err = dev_pm_set_wake_irq(tscadc_dev->dev, ts_dev->irq); + if (err) + dev_err(&pdev->dev, "irq wake enable failed.\n"); + } + titsc_writel(ts_dev, REG_IRQENABLE, IRQENB_FIFO0THRES); titsc_writel(ts_dev, REG_IRQENABLE, IRQENB_EOS); err = titsc_config_wires(ts_dev); @@ -462,6 +469,7 @@ static int titsc_probe(struct platform_device *pdev) return 0; err_free_irq: + dev_pm_clear_wake_irq(tscadc_dev->dev); free_irq(ts_dev->irq, ts_dev); err_free_mem: input_free_device(input_dev); @@ -474,6 +482,7 @@ static int titsc_remove(struct platform_device *pdev) struct titsc *ts_dev = platform_get_drvdata(pdev); u32 steps; + dev_pm_clear_wake_irq(ts_dev->mfd_tscadc->dev); free_irq(ts_dev->irq, ts_dev); /* total steps followed by the enable mask */ -- 2.17.0