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path: root/drivers/leds/leds-pca955x.c
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Diffstat (limited to 'drivers/leds/leds-pca955x.c')
-rw-r--r--drivers/leds/leds-pca955x.c57
1 files changed, 14 insertions, 43 deletions
diff --git a/drivers/leds/leds-pca955x.c b/drivers/leds/leds-pca955x.c
index f51b356d4426..a9f5dad55956 100644
--- a/drivers/leds/leds-pca955x.c
+++ b/drivers/leds/leds-pca955x.c
@@ -40,7 +40,6 @@
* bits the chip supports.
*/
-#include <linux/acpi.h>
#include <linux/ctype.h>
#include <linux/delay.h>
#include <linux/err.h>
@@ -48,8 +47,8 @@
#include <linux/i2c.h>
#include <linux/leds.h>
#include <linux/module.h>
-#include <linux/of_device.h>
#include <linux/of.h>
+#include <linux/property.h>
#include <linux/slab.h>
#include <linux/string.h>
@@ -110,15 +109,6 @@ static const struct i2c_device_id pca955x_id[] = {
};
MODULE_DEVICE_TABLE(i2c, pca955x_id);
-static const struct acpi_device_id pca955x_acpi_ids[] = {
- { "PCA9550", pca9550 },
- { "PCA9551", pca9551 },
- { "PCA9552", pca9552 },
- { "PCA9553", pca9553 },
- { }
-};
-MODULE_DEVICE_TABLE(acpi, pca955x_acpi_ids);
-
struct pca955x {
struct mutex lock;
struct pca955x_led *leds;
@@ -373,16 +363,14 @@ static int pca955x_gpio_direction_output(struct gpio_chip *gc,
}
#endif /* CONFIG_LEDS_PCA955X_GPIO */
-#if IS_ENABLED(CONFIG_OF)
static struct pca955x_platform_data *
-pca955x_pdata_of_init(struct i2c_client *client, struct pca955x_chipdef *chip)
+pca955x_get_pdata(struct i2c_client *client, struct pca955x_chipdef *chip)
{
- struct device_node *np = client->dev.of_node;
- struct device_node *child;
struct pca955x_platform_data *pdata;
+ struct fwnode_handle *child;
int count;
- count = of_get_child_count(np);
+ count = device_get_child_node_count(&client->dev);
if (!count || count > chip->bits)
return ERR_PTR(-ENODEV);
@@ -396,24 +384,25 @@ pca955x_pdata_of_init(struct i2c_client *client, struct pca955x_chipdef *chip)
if (!pdata->leds)
return ERR_PTR(-ENOMEM);
- for_each_child_of_node(np, child) {
+ device_for_each_child_node(&client->dev, child) {
const char *name;
u32 reg;
int res;
- res = of_property_read_u32(child, "reg", &reg);
+ res = fwnode_property_read_u32(child, "reg", &reg);
if ((res != 0) || (reg >= chip->bits))
continue;
- if (of_property_read_string(child, "label", &name))
- name = child->name;
+ res = fwnode_property_read_string(child, "label", &name);
+ if ((res != 0) && is_of_node(child))
+ name = to_of_node(child)->name;
snprintf(pdata->leds[reg].name, sizeof(pdata->leds[reg].name),
"%s", name);
pdata->leds[reg].type = PCA955X_TYPE_LED;
- of_property_read_u32(child, "type", &pdata->leds[reg].type);
- of_property_read_string(child, "linux,default-trigger",
+ fwnode_property_read_u32(child, "type", &pdata->leds[reg].type);
+ fwnode_property_read_string(child, "linux,default-trigger",
&pdata->leds[reg].default_trigger);
}
@@ -429,15 +418,7 @@ static const struct of_device_id of_pca955x_match[] = {
{ .compatible = "nxp,pca9553", .data = (void *)pca9553 },
{},
};
-
MODULE_DEVICE_TABLE(of, of_pca955x_match);
-#else
-static struct pca955x_platform_data *
-pca955x_pdata_of_init(struct i2c_client *client, struct pca955x_chipdef *chip)
-{
- return ERR_PTR(-ENODEV);
-}
-#endif
static int pca955x_probe(struct i2c_client *client,
const struct i2c_device_id *id)
@@ -450,20 +431,11 @@ static int pca955x_probe(struct i2c_client *client,
struct pca955x_platform_data *pdata;
int ngpios = 0;
- if (id) {
- chip = &pca955x_chipdefs[id->driver_data];
- } else {
- const struct acpi_device_id *acpi_id;
-
- acpi_id = acpi_match_device(pca955x_acpi_ids, &client->dev);
- if (!acpi_id)
- return -ENODEV;
- chip = &pca955x_chipdefs[acpi_id->driver_data];
- }
+ chip = &pca955x_chipdefs[id->driver_data];
adapter = to_i2c_adapter(client->dev.parent);
pdata = dev_get_platdata(&client->dev);
if (!pdata) {
- pdata = pca955x_pdata_of_init(client, chip);
+ pdata = pca955x_get_pdata(client, chip);
if (IS_ERR(pdata))
return PTR_ERR(pdata);
}
@@ -602,8 +574,7 @@ static int pca955x_probe(struct i2c_client *client,
static struct i2c_driver pca955x_driver = {
.driver = {
.name = "leds-pca955x",
- .acpi_match_table = ACPI_PTR(pca955x_acpi_ids),
- .of_match_table = of_match_ptr(of_pca955x_match),
+ .of_match_table = of_pca955x_match,
},
.probe = pca955x_probe,
.id_table = pca955x_id,