[PATCH v1 2/2] gpio: adnp: Make use of device properties

From: Andy Shevchenko
Date: Tue Jun 28 2022 - 16:08:12 EST


Convert the module to be property provider agnostic and allow
it to be used on non-OF platforms.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
drivers/gpio/gpio-adnp.c | 14 +++++---------
1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/drivers/gpio/gpio-adnp.c b/drivers/gpio/gpio-adnp.c
index 075782831044..a6439e3daff0 100644
--- a/drivers/gpio/gpio-adnp.c
+++ b/drivers/gpio/gpio-adnp.c
@@ -6,8 +6,9 @@
#include <linux/gpio/driver.h>
#include <linux/i2c.h>
#include <linux/interrupt.h>
+#include <linux/mod_devicetable.h>
#include <linux/module.h>
-#include <linux/of_irq.h>
+#include <linux/property.h>
#include <linux/seq_file.h>
#include <linux/slab.h>

@@ -487,19 +488,15 @@ static int adnp_gpio_setup(struct adnp *adnp, unsigned int num_gpios,

static int adnp_i2c_probe(struct i2c_client *client)
{
- struct device_node *np = client->dev.of_node;
+ struct device *dev = &client->dev;
struct adnp *adnp;
u32 num_gpios;
int err;

- err = of_property_read_u32(np, "nr-gpios", &num_gpios);
+ err = device_property_read_u32(dev, "nr-gpios", &num_gpios);
if (err < 0)
return err;

- client->irq = irq_of_parse_and_map(np, 0);
- if (!client->irq)
- return -EPROBE_DEFER;
-
adnp = devm_kzalloc(&client->dev, sizeof(*adnp), GFP_KERNEL);
if (!adnp)
return -ENOMEM;
@@ -507,8 +504,7 @@ static int adnp_i2c_probe(struct i2c_client *client)
mutex_init(&adnp->i2c_lock);
adnp->client = client;

- err = adnp_gpio_setup(adnp, num_gpios,
- of_property_read_bool(np, "interrupt-controller"));
+ err = adnp_gpio_setup(adnp, num_gpios, device_property_read_bool(dev, "interrupt-controller"));
if (err)
return err;

--
2.35.1