linux-kernel - [PATCH AUTOSEL 5.7 13/28] pinctrl: qcom: spmi-gpio: fix warning about irq chip reusage

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Date:   Tue, 23 Jun 2020 13:35:08 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Sasha Levin <sashal@...nel.org>, linux-arm-msm@...r.kernel.org,
        linux-gpio@...r.kernel.org
Subject: [PATCH AUTOSEL 5.7 13/28] pinctrl: qcom: spmi-gpio: fix warning about irq chip reusage

From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>

[ Upstream commit 5e50311556c9f409a85740e3cb4c4511e7e27da0 ]

Fix the following warnings caused by reusage of the same irq_chip
instance for all spmi-gpio gpio_irq_chip instances. Instead embed
irq_chip into pmic_gpio_state struct.

gpio gpiochip2: (c440000.qcom,spmi:pmic@2:gpio@...0): detected irqchip that is shared with multiple gpiochips: please fix the driver.
gpio gpiochip3: (c440000.qcom,spmi:pmic@4:gpio@...0): detected irqchip that is shared with multiple gpiochips: please fix the driver.
gpio gpiochip4: (c440000.qcom,spmi:pmic@a:gpio@...0): detected irqchip that is shared with multiple gpiochips: please fix the driver.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Acked-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Link: https://lore.kernel.org/r/20200604002817.667160-1-dmitry.baryshkov@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@...aro.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/pinctrl/qcom/pinctrl-spmi-gpio.c | 21 ++++++++++-----------
 1 file changed, 10 insertions(+), 11 deletions(-)

diff --git a/drivers/pinctrl/qcom/pinctrl-spmi-gpio.c b/drivers/pinctrl/qcom/pinctrl-spmi-gpio.c
index fe0be8a6ebb7b..092a48e4dff57 100644
--- a/drivers/pinctrl/qcom/pinctrl-spmi-gpio.c
+++ b/drivers/pinctrl/qcom/pinctrl-spmi-gpio.c
@@ -170,6 +170,7 @@ struct pmic_gpio_state {
 	struct regmap	*map;
 	struct pinctrl_dev *ctrl;
 	struct gpio_chip chip;
+	struct irq_chip irq;
 };
 
 static const struct pinconf_generic_params pmic_gpio_bindings[] = {
@@ -917,16 +918,6 @@ static int pmic_gpio_populate(struct pmic_gpio_state *state,
 	return 0;
 }
 
-static struct irq_chip pmic_gpio_irq_chip = {
-	.name = "spmi-gpio",
-	.irq_ack = irq_chip_ack_parent,
-	.irq_mask = irq_chip_mask_parent,
-	.irq_unmask = irq_chip_unmask_parent,
-	.irq_set_type = irq_chip_set_type_parent,
-	.irq_set_wake = irq_chip_set_wake_parent,
-	.flags = IRQCHIP_MASK_ON_SUSPEND,
-};
-
 static int pmic_gpio_domain_translate(struct irq_domain *domain,
 				      struct irq_fwspec *fwspec,
 				      unsigned long *hwirq,
@@ -1053,8 +1044,16 @@ static int pmic_gpio_probe(struct platform_device *pdev)
 	if (!parent_domain)
 		return -ENXIO;
 
+	state->irq.name = "spmi-gpio",
+	state->irq.irq_ack = irq_chip_ack_parent,
+	state->irq.irq_mask = irq_chip_mask_parent,
+	state->irq.irq_unmask = irq_chip_unmask_parent,
+	state->irq.irq_set_type = irq_chip_set_type_parent,
+	state->irq.irq_set_wake = irq_chip_set_wake_parent,
+	state->irq.flags = IRQCHIP_MASK_ON_SUSPEND,
+
 	girq = &state->chip.irq;
-	girq->chip = &pmic_gpio_irq_chip;
+	girq->chip = &state->irq;
 	girq->default_type = IRQ_TYPE_NONE;
 	girq->handler = handle_level_irq;
 	girq->fwnode = of_node_to_fwnode(state->dev->of_node);
-- 
2.25.1