summaryrefslogtreecommitdiffstats
path: root/drivers/gpio
diff options
context:
space:
mode:
authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2023-01-16 14:47:03 +0200
committerBartosz Golaszewski <bartosz.golaszewski@linaro.org>2023-01-30 15:55:30 +0100
commite2d181211641598103bcc8a06bade63121b9be49 (patch)
tree7a1515fa853c61b25ce68e0023143a494fc54440 /drivers/gpio
parent91a0192e90e9df40d4b63c4ce11126114ed5d79d (diff)
downloadlinux-e2d181211641598103bcc8a06bade63121b9be49.tar.gz
linux-e2d181211641598103bcc8a06bade63121b9be49.tar.bz2
linux-e2d181211641598103bcc8a06bade63121b9be49.zip
gpio: pcf857x: Make use of device properties
Convert the module to be property provider agnostic and allow it to be used on non-OF platforms. Add mod_devicetable.h include. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/gpio-pcf857x.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/gpio/gpio-pcf857x.c b/drivers/gpio/gpio-pcf857x.c
index dfa15444a24a..9d34776109db 100644
--- a/drivers/gpio/gpio-pcf857x.c
+++ b/drivers/gpio/gpio-pcf857x.c
@@ -11,9 +11,9 @@
#include <linux/irq.h>
#include <linux/irqdomain.h>
#include <linux/kernel.h>
+#include <linux/mod_devicetable.h>
#include <linux/module.h>
-#include <linux/of.h>
-#include <linux/of_device.h>
+#include <linux/property.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
@@ -35,7 +35,6 @@ static const struct i2c_device_id pcf857x_id[] = {
};
MODULE_DEVICE_TABLE(i2c, pcf857x_id);
-#ifdef CONFIG_OF
static const struct of_device_id pcf857x_of_table[] = {
{ .compatible = "nxp,pcf8574" },
{ .compatible = "nxp,pcf8574a" },
@@ -53,7 +52,6 @@ static const struct of_device_id pcf857x_of_table[] = {
{ }
};
MODULE_DEVICE_TABLE(of, pcf857x_of_table);
-#endif
/*
* The pcf857x, pca857x, and pca967x chips only expose one read and one
@@ -275,12 +273,11 @@ static const struct irq_chip pcf857x_irq_chip = {
static int pcf857x_probe(struct i2c_client *client)
{
const struct i2c_device_id *id = i2c_client_get_device_id(client);
- struct device_node *np = client->dev.of_node;
struct pcf857x *gpio;
unsigned int n_latch = 0;
int status;
- of_property_read_u32(np, "lines-initial-states", &n_latch);
+ device_property_read_u32(&client->dev, "lines-initial-states", &n_latch);
/* Allocate, initialize, and register this gpio_chip. */
gpio = devm_kzalloc(&client->dev, sizeof(*gpio), GFP_KERNEL);
@@ -420,7 +417,7 @@ static void pcf857x_shutdown(struct i2c_client *client)
static struct i2c_driver pcf857x_driver = {
.driver = {
.name = "pcf857x",
- .of_match_table = of_match_ptr(pcf857x_of_table),
+ .of_match_table = pcf857x_of_table,
},
.probe_new = pcf857x_probe,
.shutdown = pcf857x_shutdown,