From patchwork Mon Jan 15 16:14:42 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Richard X-Patchwork-Id: 13519826 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id EC30CC3DA79 for ; Mon, 15 Jan 2024 16:16:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References:Message-Id :MIME-Version:Subject:Date:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=mrpMZLko9cjjKgDUpJ6OyIv4y9XOgYMqGa5K2t/S45s=; b=x/nnXSWrfBAIbe TyfIchOe8S05bUwh8rRIJ3AJqX61FAkORK3pzKtoi9HlmkRs8dYyh739OZxa+BWMSDwh/dtbrjueO AOXGrS6b9PXA79S4YgJ4O5zeb6H5cj8l0BOfZPIRYt6bQiLn3zuP6z2Vp1+OIINuqC3jF0wTs3E62 2eR1+k5PiDazMYUg6FyFlueh4up98zDS3Ph4X24cy7ukGFLvGp/In0ZMS4ApeMJA6CFcqe1a+lmTh VALEyUr3XUaAB5vuGmy/BoAfBn+AJ9ysfQMBYMnmgrwoa+WoU0W+E1N1R25h6CodPmlvm4iYoKnfL nn+7UMl3Ty04jTZxHedQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1rPPdS-009aYe-0X; Mon, 15 Jan 2024 16:16:26 +0000 Received: from relay6-d.mail.gandi.net ([217.70.183.198]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1rPPdM-009aUj-33; Mon, 15 Jan 2024 16:16:23 +0000 Received: by mail.gandi.net (Postfix) with ESMTPSA id 24575C0006; Mon, 15 Jan 2024 16:16:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1705335376; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=QdylFGoGNBM+6WQopCODNAlZIa2ZGhmHad5v6oJ+DkE=; b=Xrrtb3P8fSAlvWg0HrBGIRn0z/2b89JwWbXUPzMJkJN376Hsr93U/+D2nW34Ye9VuZmmGf ycr1Bs2cezuq7DwAcszuCKv6OZ0GZNOWD/GG6kwlbfJohqEKpI8kO4aiLcMOBIwjnWGgeT dZ88pTG+vgf55p7hXOdqN+xAn5lJ/syE1dhWn0U79r171RVUSF7FhhvGRCr0UND8VnVdvY Zh4df2PphsovC0oH0o5a931aYsS2riTeyWAP9CjYPcxurcj/zVsmaBSPU3mXQFj8xr2Lef 3jEwsT2hqPazGPMtOqt7fxwVUsYNS9roCJRNlXsXPatwGcNvGXAWys3x2NpB8g== From: Thomas Richard Date: Mon, 15 Jan 2024 17:14:42 +0100 Subject: [PATCH 01/14] gpio: pca953x: move suspend/resume to suspend_noirq/resume_noirq MIME-Version: 1.0 Message-Id: <20240102-j7200-pcie-s2r-v1-1-84e55da52400@bootlin.com> References: <20240102-j7200-pcie-s2r-v1-0-84e55da52400@bootlin.com> In-Reply-To: <20240102-j7200-pcie-s2r-v1-0-84e55da52400@bootlin.com> To: Linus Walleij , Bartosz Golaszewski , Andy Shevchenko , Tony Lindgren , Haojian Zhuang , Vignesh R , Aaro Koskinen , Janusz Krzysztofik , Andi Shyti , Peter Rosin , Vinod Koul , Kishon Vijay Abraham I , Philipp Zabel , Tom Joseph , Lorenzo Pieralisi , =?utf-8?q?Krzysztof_Wilczy?= =?utf-8?q?=C5=84ski?= , Rob Herring , Bjorn Helgaas Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org, linux-i2c@vger.kernel.org, linux-phy@lists.infradead.org, linux-pci@vger.kernel.org, gregory.clement@bootlin.com, theo.lebrun@bootlin.com, thomas.petazzoni@bootlin.com, u-kumar1@ti.com, Thomas Richard X-Mailer: b4 0.12.0 X-GND-Sasl: thomas.richard@bootlin.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240115_081621_118561_F49ECC8C X-CRM114-Status: GOOD ( 10.01 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Some IOs can be needed during suspend_noirq/resume_noirq. So move suspend/resume callbacks to noirq. Signed-off-by: Thomas Richard --- drivers/gpio/gpio-pca953x.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c index 00ffa168e405..83da5d213c55 100644 --- a/drivers/gpio/gpio-pca953x.c +++ b/drivers/gpio/gpio-pca953x.c @@ -1234,7 +1234,7 @@ static void pca953x_save_context(struct pca953x_chip *chip) regcache_cache_only(chip->regmap, true); } -static int pca953x_suspend(struct device *dev) +static int pca953x_suspend_noirq(struct device *dev) { struct pca953x_chip *chip = dev_get_drvdata(dev); @@ -1248,7 +1248,7 @@ static int pca953x_suspend(struct device *dev) return 0; } -static int pca953x_resume(struct device *dev) +static int pca953x_resume_noirq(struct device *dev) { struct pca953x_chip *chip = dev_get_drvdata(dev); int ret; @@ -1268,7 +1268,9 @@ static int pca953x_resume(struct device *dev) return ret; } -static DEFINE_SIMPLE_DEV_PM_OPS(pca953x_pm_ops, pca953x_suspend, pca953x_resume); +static const struct dev_pm_ops pca953x_pm_ops = { + SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(pca953x_suspend_noirq, pca953x_resume_noirq) +}; /* convenience to stop overlong match-table lines */ #define OF_653X(__nrgpio, __int) ((void *)(__nrgpio | PCAL653X_TYPE | __int))