Commit be8e2746 authored by Alexandre Belloni's avatar Alexandre Belloni
Browse files

rtc: m41t80: remove debug sysfs attribute 



The last remaining sysfs attribute is undocumented and useless as it can
only be used to debug the driver. Remove it.

Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@free-electrons.com>
parent d4473b9b

drivers/rtc/rtc-m41t80.c

+0 −44
Original line number Diff line number Diff line
@@ -440,28 +440,6 @@ static int m41t80_resume(struct device *dev) 


static SIMPLE_DEV_PM_OPS(m41t80_pm, m41t80_suspend, m41t80_resume);



static ssize_t flags_show(struct device *dev,

			  struct device_attribute *attr, char *buf)

{

	struct i2c_client *client = to_i2c_client(dev);

	int val;



	val = i2c_smbus_read_byte_data(client, M41T80_REG_FLAGS);

	if (val < 0)

		return val;

	return sprintf(buf, "%#x\n", val);

}

static DEVICE_ATTR_RO(flags);



static struct attribute *attrs[] = {

	&dev_attr_flags.attr,

	NULL,

};



static struct attribute_group attr_group = {

	.attrs = attrs,

};



#ifdef CONFIG_COMMON_CLK

#define sqw_to_m41t80_data(_hw) container_of(_hw, struct m41t80_data, sqw)
@@ -912,13 +890,6 @@ static struct notifier_block wdt_notifier = { 
 *****************************************************************************

 */



static void m41t80_remove_sysfs_group(void *_dev)

{

	struct device *dev = _dev;



	sysfs_remove_group(&dev->kobj, &attr_group);

}



static int m41t80_probe(struct i2c_client *client,

			const struct i2c_device_id *id)

{
@@ -1015,21 +986,6 @@ static int m41t80_probe(struct i2c_client *client, 
		return rc;

	}



	/* Export sysfs entries */

	rc = sysfs_create_group(&(&client->dev)->kobj, &attr_group);

	if (rc) {

		dev_err(&client->dev, "Failed to create sysfs group: %d\n", rc);

		return rc;

	}



	rc = devm_add_action_or_reset(&client->dev, m41t80_remove_sysfs_group,

				      &client->dev);

	if (rc) {

		dev_err(&client->dev,

			"Failed to add sysfs cleanup action: %d\n", rc);

		return rc;

	}



#ifdef CONFIG_RTC_DRV_M41T80_WDT

	if (m41t80_data->features & M41T80_FEATURE_HT) {

		save_client = client;