From patchwork Tue Feb 27 21:18:32 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre Belloni X-Patchwork-Id: 1905445 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=bootlin.com header.i=@bootlin.com header.a=rsa-sha256 header.s=gm1 header.b=mPzYVbWF; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=139.178.88.99; helo=sv.mirrors.kernel.org; envelope-from=linux-rtc+bounces-735-incoming=patchwork.ozlabs.org@vger.kernel.org; receiver=patchwork.ozlabs.org) Received: from sv.mirrors.kernel.org (sv.mirrors.kernel.org [139.178.88.99]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4Tkr2M50t6z23d3 for ; Wed, 28 Feb 2024 08:18:51 +1100 (AEDT) Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sv.mirrors.kernel.org (Postfix) with ESMTPS id AFB4C28A42D for ; Tue, 27 Feb 2024 21:18:49 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 6222E14EFE0; Tue, 27 Feb 2024 21:18:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="mPzYVbWF" X-Original-To: linux-rtc@vger.kernel.org Received: from relay9-d.mail.gandi.net (relay9-d.mail.gandi.net [217.70.183.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 773B038DE7; Tue, 27 Feb 2024 21:18:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.70.183.199 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709068726; cv=none; b=gW/SZM3urE8h2SE+56BS3mwHF8Nh+dU3fcq+TRhsaP21HfJDUpIXui9PMZmkq8087cRrwAiQsCVHnDuSLzGhHA6Q8Nvy9v5G7Xzo9Ytq4lO7iPmkOnU7lSD2iiXDGJs9Rg7cuLV2Y+VHPdMkzTwQ1J5/bLrIgwrqaY1ZJ8GufWc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709068726; c=relaxed/simple; bh=Ok728L3hHJA0zGGTLXQ6pyu51bOeCtQqVFNe1uXUOpE=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=XOUYGMXe+VpOKStf4zpuLXKgVJRVKJO4O/yB9TUzxIEkH5n5fdGZF4fi/jAvX6eZSZwSCYCvF+bxP20rQbDTKX+ESLe6qBUC7wgmWkCk5Shxi42uEYr51+d7C68xfulEVUXokNnZD3rjSgf30CwkXabrDwmbuzvfG0Oiq3SpOBs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=mPzYVbWF; arc=none smtp.client-ip=217.70.183.199 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Received: by mail.gandi.net (Postfix) with ESMTPSA id A02F4FF80B; Tue, 27 Feb 2024 21:18:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1709068721; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=v0Q7f5YZOavW5gvORY5KlMV7Hgztn8PzK/Piadt892c=; b=mPzYVbWFqPXV/lzJRm1RIScu3Zt2fgRv6UKCaDHGoGy9c+zJNHmkLD+RVNg3UvhMv2V4xY O32jZdx5aJ2kWdy/DPpDdHaO37kcMmH0uKBA017iUwusmGN29cQF+gkFcUxitTzE/H+z9S yo3B1X3E5t5sbf4k/tv0mC79iJawQlPr/Q40kC4Z+qZaqX+NQm0PtlifmcUC3SE0rdHqOX MlsV8tPXWiNMTOEAj2GiYXP2c/dtxISV9NyL4CUfpdqTcqU95+Sa9L8iaPnxNitHLG5WA7 dX+TzNkoB68GD/2cR7skgm6xQCNyqq4/9iTVJ3VVutt8ndm+xz7DG9NhRIDAnQ== From: alexandre.belloni@bootlin.com To: Alexandre Belloni Cc: linux-rtc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] rtc: pcf8523: add suspend handlers for alarm IRQ Date: Tue, 27 Feb 2024 22:18:32 +0100 Message-ID: <20240227211833.1820800-1-alexandre.belloni@bootlin.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-rtc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-GND-Sasl: alexandre.belloni@bootlin.com From: Alexandre Belloni Ensure the RTC is able to wake up the system from suspend. Signed-off-by: Alexandre Belloni --- drivers/rtc/rtc-pcf8523.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/drivers/rtc/rtc-pcf8523.c b/drivers/rtc/rtc-pcf8523.c index d1efde3e7a80..98b77f790b0c 100644 --- a/drivers/rtc/rtc-pcf8523.c +++ b/drivers/rtc/rtc-pcf8523.c @@ -370,6 +370,30 @@ static int pcf8523_rtc_set_offset(struct device *dev, long offset) return regmap_write(pcf8523->regmap, PCF8523_REG_OFFSET, value); } +#ifdef CONFIG_PM_SLEEP +static int pcf8523_suspend(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + + if (client->irq > 0 && device_may_wakeup(dev)) + enable_irq_wake(client->irq); + + return 0; +} + +static int pcf8523_resume(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + + if (client->irq > 0 && device_may_wakeup(dev)) + disable_irq_wake(client->irq); + + return 0; +} +#endif + +static SIMPLE_DEV_PM_OPS(pcf8523_pm, pcf8523_suspend, pcf8523_resume); + static const struct rtc_class_ops pcf8523_rtc_ops = { .read_time = pcf8523_rtc_read_time, .set_time = pcf8523_rtc_set_time, @@ -487,6 +511,7 @@ static struct i2c_driver pcf8523_driver = { .driver = { .name = "rtc-pcf8523", .of_match_table = pcf8523_of_match, + .pm = &pcf8523_pm, }, .probe = pcf8523_probe, .id_table = pcf8523_id,