linux-kernel - [PATCH v1 1/1] pinctrl: pistachio: Switch to use fwnode instead of of

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Message-Id: <20220830193938.56826-1-andriy.shevchenko@linux.intel.com>
Date:   Tue, 30 Aug 2022 22:39:38 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Linus Walleij <linus.walleij@...aro.org>
Subject: [PATCH v1 1/1] pinctrl: pistachio: Switch to use fwnode instead of of_node

GPIO library now accepts fwnode as a firmware node, so
switch the driver to use it.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/pinctrl/pinctrl-pistachio.c | 23 +++++++++++------------
 1 file changed, 11 insertions(+), 12 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-pistachio.c b/drivers/pinctrl/pinctrl-pistachio.c
index 5de691c630b4..02ef85e6261c 100644
--- a/drivers/pinctrl/pinctrl-pistachio.c
+++ b/drivers/pinctrl/pinctrl-pistachio.c
@@ -10,13 +10,13 @@
 #include <linux/interrupt.h>
 #include <linux/io.h>
 #include <linux/irq.h>
-#include <linux/of.h>
-#include <linux/of_irq.h>
+#include <linux/mod_devicetable.h>
 #include <linux/pinctrl/pinconf.h>
 #include <linux/pinctrl/pinconf-generic.h>
 #include <linux/pinctrl/pinctrl.h>
 #include <linux/pinctrl/pinmux.h>
 #include <linux/platform_device.h>
+#include <linux/property.h>
 #include <linux/slab.h>
 #include <linux/spinlock.h>
 
@@ -1347,46 +1347,45 @@ static struct pistachio_gpio_bank pistachio_gpio_banks[] = {
 
 static int pistachio_gpio_register(struct pistachio_pinctrl *pctl)
 {
-	struct device_node *node = pctl->dev->of_node;
 	struct pistachio_gpio_bank *bank;
 	unsigned int i;
 	int irq, ret = 0;
 
 	for (i = 0; i < pctl->nbanks; i++) {
 		char child_name[sizeof("gpioXX")];
-		struct device_node *child;
+		struct fwnode_handle *child;
 		struct gpio_irq_chip *girq;
 
 		snprintf(child_name, sizeof(child_name), "gpio%d", i);
-		child = of_get_child_by_name(node, child_name);
+		child = device_get_named_child_node(dev, child_name);
 		if (!child) {
 			dev_err(pctl->dev, "No node for bank %u\n", i);
 			ret = -ENODEV;
 			goto err;
 		}
 
-		if (!of_find_property(child, "gpio-controller", NULL)) {
+		if (!fwnode_property_present(child, "gpio-controller")) {
+			fwnode_handle_put(child);
 			dev_err(pctl->dev,
 				"No gpio-controller property for bank %u\n", i);
-			of_node_put(child);
 			ret = -ENODEV;
 			goto err;
 		}
 
-		irq = irq_of_parse_and_map(child, 0);
-		if (!irq) {
+		ret = fwnode_irq_get(child, 0);
+		if (ret < 0) {
+			fwnode_handle_put(child);
 			dev_err(pctl->dev, "No IRQ for bank %u\n", i);
-			of_node_put(child);
-			ret = -EINVAL;
 			goto err;
 		}
+		irq = ret;
 
 		bank = &pctl->gpio_banks[i];
 		bank->pctl = pctl;
 		bank->base = pctl->base + GPIO_BANK_BASE(i);
 
 		bank->gpio_chip.parent = pctl->dev;
-		bank->gpio_chip.of_node = child;
+		bank->gpio_chip.fwnode = child;
 
 		girq = &bank->gpio_chip.irq;
 		girq->chip = &bank->irq_chip;
-- 
2.35.1