[PATCH v1 1/2] gpiolib: of: Prepare of_mm_gpiochip_add_data() for fwnode

From: Andy Shevchenko
Date: Wed Nov 09 2022 - 10:07:34 EST


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@xxxxxxxxxxxxxxx>
---
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