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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2023-07-29 02:51:15 +0200
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2023-09-06 23:23:47 +0200
commita32fa4359a7b7766631549db427a183c5c6d032e (patch)
treeea8d76a07b823630b3e9ec09975c979cbc27f752
parentInput: ad7877 - use device core to create driver-specific device attributes (diff)
downloadlinux-a32fa4359a7b7766631549db427a183c5c6d032e.tar.xz
linux-a32fa4359a7b7766631549db427a183c5c6d032e.zip
Input: ad7879 - use device core to create driver-specific device attributes
Instead of creating driver-specific device attributes with devm_device_add_group() have device core do this by setting up dev_groups pointer in the driver structure. Acked-by: Michael Hennerich <michael.hennerich@analog.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Link: https://lore.kernel.org/r/20230729005133.1095051-6-dmitry.torokhov@gmail.com Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
-rw-r--r--drivers/input/touchscreen/ad7879-i2c.c7
-rw-r--r--drivers/input/touchscreen/ad7879-spi.c7
-rw-r--r--drivers/input/touchscreen/ad7879.c10
-rw-r--r--drivers/input/touchscreen/ad7879.h3
4 files changed, 17 insertions, 10 deletions
diff --git a/drivers/input/touchscreen/ad7879-i2c.c b/drivers/input/touchscreen/ad7879-i2c.c
index feaa6f8b01ed..5c094ab74698 100644
--- a/drivers/input/touchscreen/ad7879-i2c.c
+++ b/drivers/input/touchscreen/ad7879-i2c.c
@@ -58,9 +58,10 @@ MODULE_DEVICE_TABLE(of, ad7879_i2c_dt_ids);
static struct i2c_driver ad7879_i2c_driver = {
.driver = {
- .name = "ad7879",
- .pm = &ad7879_pm_ops,
- .of_match_table = of_match_ptr(ad7879_i2c_dt_ids),
+ .name = "ad7879",
+ .dev_groups = ad7879_groups,
+ .pm = &ad7879_pm_ops,
+ .of_match_table = of_match_ptr(ad7879_i2c_dt_ids),
},
.probe = ad7879_i2c_probe,
.id_table = ad7879_id,
diff --git a/drivers/input/touchscreen/ad7879-spi.c b/drivers/input/touchscreen/ad7879-spi.c
index 50e889846800..064968fe57cf 100644
--- a/drivers/input/touchscreen/ad7879-spi.c
+++ b/drivers/input/touchscreen/ad7879-spi.c
@@ -56,9 +56,10 @@ MODULE_DEVICE_TABLE(of, ad7879_spi_dt_ids);
static struct spi_driver ad7879_spi_driver = {
.driver = {
- .name = "ad7879",
- .pm = &ad7879_pm_ops,
- .of_match_table = of_match_ptr(ad7879_spi_dt_ids),
+ .name = "ad7879",
+ .dev_groups = ad7879_groups,
+ .pm = &ad7879_pm_ops,
+ .of_match_table = of_match_ptr(ad7879_spi_dt_ids),
},
.probe = ad7879_spi_probe,
};
diff --git a/drivers/input/touchscreen/ad7879.c b/drivers/input/touchscreen/ad7879.c
index e850853328f1..e5d69bf2276e 100644
--- a/drivers/input/touchscreen/ad7879.c
+++ b/drivers/input/touchscreen/ad7879.c
@@ -391,6 +391,12 @@ static const struct attribute_group ad7879_attr_group = {
.attrs = ad7879_attributes,
};
+const struct attribute_group *ad7879_groups[] = {
+ &ad7879_attr_group,
+ NULL
+};
+EXPORT_SYMBOL_GPL(ad7879_groups);
+
#ifdef CONFIG_GPIOLIB
static int ad7879_gpio_direction_input(struct gpio_chip *chip,
unsigned gpio)
@@ -612,10 +618,6 @@ int ad7879_probe(struct device *dev, struct regmap *regmap,
__ad7879_disable(ts);
- err = devm_device_add_group(dev, &ad7879_attr_group);
- if (err)
- return err;
-
err = ad7879_gpio_add(ts);
if (err)
return err;
diff --git a/drivers/input/touchscreen/ad7879.h b/drivers/input/touchscreen/ad7879.h
index ae8aa1428e56..d71a8e787290 100644
--- a/drivers/input/touchscreen/ad7879.h
+++ b/drivers/input/touchscreen/ad7879.h
@@ -8,11 +8,14 @@
#ifndef _AD7879_H_
#define _AD7879_H_
+#include <linux/pm.h>
#include <linux/types.h>
+struct attribute_group;
struct device;
struct regmap;
+extern const struct attribute_group *ad7879_groups[];
extern const struct dev_pm_ops ad7879_pm_ops;
int ad7879_probe(struct device *dev, struct regmap *regmap,