linux-kernel - [PATCH RFC 09/14] drivers: pinctrl: msm: fix use of deprecated gpiolib APIs

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Date:   Thu, 29 Aug 2019 12:11:58 -0600
From:   Lina Iyer <ilina@...eaurora.org>
To:     swboyd@...omium.org, evgreen@...omium.org, marc.zyngier@....com,
        linus.walleij@...aro.org
Cc:     linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        bjorn.andersson@...aro.org, mkshah@...eaurora.org,
        linux-gpio@...r.kernel.org, rnayak@...eaurora.org,
        Lina Iyer <ilina@...eaurora.org>
Subject: [PATCH RFC 09/14] drivers: pinctrl: msm: fix use of deprecated gpiolib APIs

Replace gpiochip_irqchip_add() and gpiochip_set_chained_irqchip() calls
by populating the gpio_irq_chip data structures instead.

Signed-off-by: Lina Iyer <ilina@...eaurora.org>
---
 drivers/pinctrl/qcom/pinctrl-msm.c | 28 +++++++++++++---------------
 1 file changed, 13 insertions(+), 15 deletions(-)

diff --git a/drivers/pinctrl/qcom/pinctrl-msm.c b/drivers/pinctrl/qcom/pinctrl-msm.c
index 7f35c196bb3e..76e8528e4d0a 100644
--- a/drivers/pinctrl/qcom/pinctrl-msm.c
+++ b/drivers/pinctrl/qcom/pinctrl-msm.c
@@ -1027,7 +1027,19 @@ static int msm_gpio_init(struct msm_pinctrl *pctrl)
 	pctrl->irq_chip.irq_request_resources = msm_gpio_irq_reqres;
 	pctrl->irq_chip.irq_release_resources = msm_gpio_irq_relres;
 
-	ret = gpiochip_add_data(&pctrl->chip, pctrl);
+	chip->irq.chip = &pctrl->irq_chip;
+	chip->irq.default_type = IRQ_TYPE_NONE;
+	chip->irq.handler = handle_bad_irq;
+	chip->irq.fwnode = pctrl->dev->fwnode;
+	chip->irq.parent_handler = msm_gpio_irq_handler;
+	chip->irq.num_parents = 1;
+	chip->irq.parents = devm_kcalloc(pctrl->dev, 1,
+					 sizeof(*chip->irq.parents),
+					 GFP_KERNEL);
+	if (!chip->irq.parents)
+		return -ENOMEM;
+
+	ret = devm_gpiochip_add_data(pctrl->dev, chip, pctrl);
 	if (ret) {
 		dev_err(pctrl->dev, "Failed register gpiochip\n");
 		return ret;
@@ -1053,20 +1065,6 @@ static int msm_gpio_init(struct msm_pinctrl *pctrl)
 		}
 	}
 
-	ret = gpiochip_irqchip_add(chip,
-				   &pctrl->irq_chip,
-				   0,
-				   handle_edge_irq,
-				   IRQ_TYPE_NONE);
-	if (ret) {
-		dev_err(pctrl->dev, "Failed to add irqchip to gpiochip\n");
-		gpiochip_remove(&pctrl->chip);
-		return -ENOSYS;
-	}
-
-	gpiochip_set_chained_irqchip(chip, &pctrl->irq_chip, pctrl->irq,
-				     msm_gpio_irq_handler);
-
 	return 0;
 }
 
-- 
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