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From: Thomas Richard <thomas.richard@bootlin.com>
Date: Mon, 15 Jan 2024 17:14:42 +0100
Subject: [PATCH 01/14] gpio: pca953x: move suspend/resume to
 suspend_noirq/resume_noirq
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To: Linus Walleij <linus.walleij@linaro.org>, 
 Bartosz Golaszewski <brgl@bgdev.pl>, Andy Shevchenko <andy@kernel.org>, 
 Tony Lindgren <tony@atomide.com>, 
 Haojian Zhuang <haojian.zhuang@linaro.org>, Vignesh R <vigneshr@ti.com>, 
 Aaro Koskinen <aaro.koskinen@iki.fi>, 
 Janusz Krzysztofik <jmkrzyszt@gmail.com>, 
 Andi Shyti <andi.shyti@kernel.org>, Peter Rosin <peda@axentia.se>, 
 Vinod Koul <vkoul@kernel.org>, Kishon Vijay Abraham I <kishon@kernel.org>, 
 Philipp Zabel <p.zabel@pengutronix.de>, Tom Joseph <tjoseph@cadence.com>, 
 Lorenzo Pieralisi <lpieralisi@kernel.org>, 
 =?utf-8?q?Krzysztof_Wilczy=C5=84ski?= <kw@linux.com>, 
 Rob Herring <robh@kernel.org>, Bjorn Helgaas <bhelgaas@google.com>
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 <thomas.richard@bootlin.com>

Some IOs can be needed during suspend_noirq/resume_noirq.
So move suspend/resume callbacks to noirq.

Signed-off-by: Thomas Richard <thomas.richard@bootlin.com>
---
 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))

-- 
2.39.2