pinctrl: samsung: Switch to use for_each_gpiochip_node() helper

Switch the code to use for_each_gpiochip_node() helper.

While at it, in order to avoid additional churn in the future,
switch to fwnode APIs where it makes sense.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
This commit is contained in:
Andy Shevchenko 2022-04-11 14:53:53 +03:00
parent 954445c72f
commit 492fca28fa
5 changed files with 18 additions and 18 deletions

View File

@ -307,7 +307,7 @@ __init int exynos_eint_gpio_init(struct samsung_pinctrl_drv_data *d)
}
bank->irq_chip->chip.name = bank->name;
bank->irq_domain = irq_domain_add_linear(bank->of_node,
bank->irq_domain = irq_domain_create_linear(bank->fwnode,
bank->nr_pins, &exynos_eint_irqd_ops, bank);
if (!bank->irq_domain) {
dev_err(dev, "gpio irq domain add failed\n");
@ -565,7 +565,7 @@ __init int exynos_eint_wkup_init(struct samsung_pinctrl_drv_data *d)
}
bank->irq_chip->chip.name = bank->name;
bank->irq_domain = irq_domain_add_linear(bank->of_node,
bank->irq_domain = irq_domain_create_linear(bank->fwnode,
bank->nr_pins, &exynos_eint_irqd_ops, bank);
if (!bank->irq_domain) {
dev_err(dev, "wkup irq domain add failed\n");
@ -573,7 +573,7 @@ __init int exynos_eint_wkup_init(struct samsung_pinctrl_drv_data *d)
return -ENXIO;
}
if (!of_find_property(bank->of_node, "interrupts", NULL)) {
if (!fwnode_property_present(bank->fwnode, "interrupts")) {
bank->eint_type = EINT_TYPE_WKUP_MUX;
++muxed_banks;
continue;
@ -588,7 +588,7 @@ __init int exynos_eint_wkup_init(struct samsung_pinctrl_drv_data *d)
}
for (idx = 0; idx < bank->nr_pins; ++idx) {
irq = irq_of_parse_and_map(bank->of_node, idx);
irq = irq_of_parse_and_map(to_of_node(bank->fwnode), idx);
if (!irq) {
dev_err(dev, "irq number for eint-%s-%d not found\n",
bank->name, idx);

View File

@ -525,7 +525,7 @@ static int s3c24xx_eint_init(struct samsung_pinctrl_drv_data *d)
ops = (bank->eint_offset == 0) ? &s3c24xx_gpf_irq_ops
: &s3c24xx_gpg_irq_ops;
bank->irq_domain = irq_domain_add_linear(bank->of_node,
bank->irq_domain = irq_domain_create_linear(bank->fwnode,
bank->nr_pins, ops, ddata);
if (!bank->irq_domain) {
dev_err(dev, "wkup irq domain add failed\n");

View File

@ -471,7 +471,7 @@ static int s3c64xx_eint_gpio_init(struct samsung_pinctrl_drv_data *d)
mask = bank->eint_mask;
nr_eints = fls(mask);
bank->irq_domain = irq_domain_add_linear(bank->of_node,
bank->irq_domain = irq_domain_create_linear(bank->fwnode,
nr_eints, &s3c64xx_gpio_irqd_ops, bank);
if (!bank->irq_domain) {
dev_err(dev, "gpio irq domain add failed\n");
@ -743,7 +743,7 @@ static int s3c64xx_eint_eint0_init(struct samsung_pinctrl_drv_data *d)
return -ENOMEM;
ddata->bank = bank;
bank->irq_domain = irq_domain_add_linear(bank->of_node,
bank->irq_domain = irq_domain_create_linear(bank->fwnode,
nr_eints, &s3c64xx_eint0_irqd_ops, ddata);
if (!bank->irq_domain) {
dev_err(dev, "wkup irq domain add failed\n");

View File

@ -18,6 +18,7 @@
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/property.h>
#include <linux/slab.h>
#include <linux/err.h>
#include <linux/gpio/driver.h>
@ -966,7 +967,7 @@ static int samsung_gpiolib_register(struct platform_device *pdev,
gc->base = bank->grange.base;
gc->ngpio = bank->nr_pins;
gc->parent = &pdev->dev;
gc->of_node = bank->of_node;
gc->fwnode = bank->fwnode;
gc->label = bank->name;
ret = devm_gpiochip_add_data(&pdev->dev, gc, bank);
@ -1009,7 +1010,7 @@ static void samsung_banks_node_put(struct samsung_pinctrl_drv_data *d)
bank = d->pin_banks;
for (i = 0; i < d->nr_banks; ++i, ++bank)
of_node_put(bank->of_node);
fwnode_handle_put(bank->fwnode);
}
/*
@ -1020,8 +1021,7 @@ static void samsung_banks_node_get(struct device *dev, struct samsung_pinctrl_dr
{
const char *suffix = "-gpio-bank";
struct samsung_pin_bank *bank;
struct device_node *node = dev->of_node;
struct device_node *child;
struct fwnode_handle *child;
/* Pin bank names are up to 4 characters */
char node_name[20];
unsigned int i;
@ -1037,17 +1037,17 @@ static void samsung_banks_node_get(struct device *dev, struct samsung_pinctrl_dr
continue;
}
for_each_child_of_node(node, child) {
if (!of_find_property(child, "gpio-controller", NULL))
continue;
if (of_node_name_eq(child, node_name))
for_each_gpiochip_node(dev, child) {
struct device_node *np = to_of_node(child);
if (of_node_name_eq(np, node_name))
break;
else if (of_node_name_eq(child, bank->name))
if (of_node_name_eq(np, bank->name))
break;
}
if (child)
bank->of_node = child;
bank->fwnode = child;
else
dev_warn(dev, "Missing node for bank %s - invalid DTB\n",
bank->name);

View File

@ -165,7 +165,7 @@ struct samsung_pin_bank {
u32 pin_base;
void *soc_priv;
struct device_node *of_node;
struct fwnode_handle *fwnode;
struct samsung_pinctrl_drv_data *drvdata;
struct irq_domain *irq_domain;
struct gpio_chip gpio_chip;