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rtc: m41t80: remove debug sysfs attribute

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

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
This commit is contained in:
Alexandre Belloni 2017-08-23 01:15:42 +02:00
parent d4473b9b77
commit be8e274646
1 changed files with 0 additions and 44 deletions
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44
drivers/rtc/rtc-m41t80.c
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@ -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;