unimore/kernel-hacking-2024-linux-steffo
unimore/kernel-hacking-2024-linux-steffo
1
Fork 0
Code Pull requests 5 Wiki Activity

gpio: ixp4xx: Replace of_node_to_fwnode() with more suitable API

Browse source 
of_node_to_fwnode() is a IRQ domain specific implementation of
of_fwnode_handle(). Replace the former with more suitable API.

Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20240822223332.705560-1-andy.shevchenko@gmail.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
This commit is contained in:
Andy Shevchenko 2024-08-23 01:33:32 +03:00 committed by Bartosz Golaszewski
parent 35ea26245e
commit 1e3d42f508
1 changed files with 4 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
drivers/gpio/gpio-ixp4xx.c
View file

@ -6,6 +6,7 @@
// based on previous work and know-how from:
// Deepak Saxena <dsaxena@plexity.net>
#include <linux/bitops.h>
#include <linux/gpio/driver.h>
#include <linux/io.h>
#include <linux/irq.h>
@ -13,7 +14,7 @@
#include <linux/irqchip.h>
#include <linux/of_irq.h>
#include <linux/platform_device.h>
#include <linux/bitops.h>
#include <linux/property.h>
#define IXP4XX_REG_GPOUT 0x00
#define IXP4XX_REG_GPOE 0x04
@ -53,16 +54,14 @@
/**
* struct ixp4xx_gpio - IXP4 GPIO state container
* @dev: containing device for this instance
* @fwnode: the fwnode for this GPIO chip
* @gc: gpiochip for this instance
* @base: remapped I/O-memory base
* @irq_edge: Each bit represents an IRQ: 1: edge-triggered,
* 0: level triggered
*/
struct ixp4xx_gpio {
struct device *dev;
struct fwnode_handle *fwnode;
struct gpio_chip gc;
struct device *dev;
void __iomem *base;
unsigned long long irq_edge;
};
@ -237,7 +236,6 @@ static int ixp4xx_gpio_probe(struct platform_device *pdev)
dev_err(dev, "no IRQ parent domain\n");
return -ENODEV;
}
g->fwnode = of_node_to_fwnode(np);
/*
* If either clock output is enabled explicitly in the device tree
@ -322,7 +320,7 @@ static int ixp4xx_gpio_probe(struct platform_device *pdev)
girq = &g->gc.irq;
gpio_irq_chip_set_chip(girq, &ixp4xx_gpio_irqchip);
girq->fwnode = g->fwnode;
girq->fwnode = dev_fwnode(dev);
girq->parent_domain = parent;
girq->child_to_parent_hwirq = ixp4xx_gpio_child_to_parent_hwirq;
girq->handler = handle_bad_irq;