From patchwork Wed Dec 19 16:48:26 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wolfram Sang X-Patchwork-Id: 10737771 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 4403C1399 for ; Wed, 19 Dec 2018 16:50:10 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2D3702B508 for ; Wed, 19 Dec 2018 16:50:10 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1B8522B50C; Wed, 19 Dec 2018 16:50:10 +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=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id C19D22B508 for ; Wed, 19 Dec 2018 16:50:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=V3hE/LpkMTOqCPdztNqQvMMi5P17vpPHMHvv2tDUnRo=; b=ribCMi7wJ2HirFMJQkg23JcIFl TcM4IxOua7WBrU6jOTqRt+kmCugygMwtHxkarkh6NGJBTAjJHOmtst3Kt2VsRT8pZozxmu8z0aT5L LzaLF6O6v3x0FWWCiQ7d0B7Cr6YMdyJmOlrY7rUbf25yVKNIFCg6dDwfeq5L7yqfsDKgOrh54yOFd Ov1lnR7xLVWWGAv/o0dEl3P7uy6RSir+imA42D4KFhcRTbkRfwxQMCZRc/l3ppxGNFDmWo8FUf/fu gRzefZcghRiSuh0gE/UQPq4PmdkURXmQBsU7STPtWxguQPIKzZiVJLk348ahEXpaNFPI+voeleDIA zalOjcuA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gZf2n-0002FZ-4C; Wed, 19 Dec 2018 16:50:01 +0000 Received: from sauhun.de ([88.99.104.3] helo=pokefinder.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gZf1n-00015a-Mf for linux-arm-kernel@lists.infradead.org; Wed, 19 Dec 2018 16:49:03 +0000 Received: from localhost (p54B333DA.dip0.t-ipconnect.de [84.179.51.218]) by pokefinder.org (Postfix) with ESMTPSA id 296462E3607; Wed, 19 Dec 2018 17:48:41 +0100 (CET) From: Wolfram Sang To: linux-i2c@vger.kernel.org Subject: [PATCH 10/10] i2c: rcar: add suspend/resume support Date: Wed, 19 Dec 2018 17:48:26 +0100 Message-Id: <20181219164827.20985-11-wsa+renesas@sang-engineering.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20181219164827.20985-1-wsa+renesas@sang-engineering.com> References: <20181219164827.20985-1-wsa+renesas@sang-engineering.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181219_084900_544640_F5D52542 X-CRM114-Status: GOOD ( 10.70 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Wolfram Sang , linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, Hiromitsu Yamasaki , linux-renesas-soc@vger.kernel.org, Hans de Goede , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Because the adapter will be set up before every transaction anyhow, we just need to mark it as suspended to the I2C core. Signed-off-by: Hiromitsu Yamasaki Signed-off-by: Wolfram Sang --- drivers/i2c/busses/i2c-rcar.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c index 254e6219e538..1d6390eed861 100644 --- a/drivers/i2c/busses/i2c-rcar.c +++ b/drivers/i2c/busses/i2c-rcar.c @@ -1017,10 +1017,35 @@ static int rcar_i2c_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_PM_SLEEP +static int rcar_i2c_suspend(struct device *dev) +{ + struct rcar_i2c_priv *priv = dev_get_drvdata(dev); + + i2c_mark_adapter_suspended(&priv->adap); + return 0; +} + +static int rcar_i2c_resume(struct device *dev) +{ + struct rcar_i2c_priv *priv = dev_get_drvdata(dev); + + i2c_mark_adapter_resumed(&priv->adap); + return 0; +} + +static SIMPLE_DEV_PM_OPS(rcar_i2c_pm_ops, rcar_i2c_suspend, rcar_i2c_resume); + +#define DEV_PM_OPS (&rcar_i2c_pm_ops) +#else +#define DEV_PM_OPS NULL +#endif /* CONFIG_PM_SLEEP */ + static struct platform_driver rcar_i2c_driver = { .driver = { .name = "i2c-rcar", .of_match_table = rcar_i2c_dt_ids, + .pm = DEV_PM_OPS, }, .probe = rcar_i2c_probe, .remove = rcar_i2c_remove,