linux-kernel - [PATCH v1 1/2] gpiolib: of: Prepare of_mm_gpiochip_add

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Date:   Wed,  9 Nov 2022 17:07:33 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Bartosz Golaszewski <brgl@...ev.pl>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH v1 1/2] gpiolib: of: Prepare of_mm_gpiochip_add_data() for fwnode

GPIO library is getting rid of of_node, fwnode should be utilized instead.
Prepare of_mm_gpiochip_add_data() for fwnode.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/gpio/gpiolib-of.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c
index 4be3c21aa718..feeb9e8e846d 100644
--- a/drivers/gpio/gpiolib-of.c
+++ b/drivers/gpio/gpiolib-of.c
@@ -919,14 +919,15 @@ int of_mm_gpiochip_add_data(struct device_node *np,
 			    struct of_mm_gpio_chip *mm_gc,
 			    void *data)
 {
+	struct fwnode_handle *fwnode = of_fwnode_handle(np);
 	int ret = -ENOMEM;
 	struct gpio_chip *gc = &mm_gc->gc;
 
-	gc->label = kasprintf(GFP_KERNEL, "%pOF", np);
+	gc->label = kasprintf(GFP_KERNEL, "%pfw", fwnode);
 	if (!gc->label)
 		goto err0;
 
-	mm_gc->regs = of_iomap(np, 0);
+	mm_gc->regs = fwnode_iomap(fwnode, 0);
 	if (!mm_gc->regs)
 		goto err1;
 
@@ -935,8 +936,8 @@ int of_mm_gpiochip_add_data(struct device_node *np,
 	if (mm_gc->save_regs)
 		mm_gc->save_regs(mm_gc);
 
-	of_node_put(mm_gc->gc.of_node);
-	mm_gc->gc.of_node = of_node_get(np);
+	fwnode_handle_put(mm_gc->gc.fwnode);
+	mm_gc->gc.fwnode = fwnode_handle_get(fwnode);
 
 	ret = gpiochip_add_data(gc, data);
 	if (ret)
@@ -944,12 +945,12 @@ int of_mm_gpiochip_add_data(struct device_node *np,
 
 	return 0;
 err2:
-	of_node_put(np);
+	fwnode_handle_put(fwnode);
 	iounmap(mm_gc->regs);
 err1:
 	kfree(gc->label);
 err0:
-	pr_err("%pOF: GPIO chip registration failed with status %d\n", np, ret);
+	pr_err("%pfw: GPIO chip registration failed with status %d\n", fwnode, ret);
 	return ret;
 }
 EXPORT_SYMBOL_GPL(of_mm_gpiochip_add_data);
-- 
2.35.1