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author | Alexandre Belloni <alexandre.belloni@free-electrons.com> | 2017-08-23 01:15:42 +0200 |
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committer | Alexandre Belloni <alexandre.belloni@free-electrons.com> | 2017-08-24 11:03:34 +0200 |
commit | be8e2746462b11e92a882e45317fafcd2c0dc50b (patch) | |
tree | bfbea6bcb4ac47343a8b1f17b8111add3d08e008 /drivers | |
parent | d4473b9b778f39f0b5da870a9a96b5778861c60b (diff) | |
download | linux-be8e2746462b11e92a882e45317fafcd2c0dc50b.tar.bz2 |
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: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/rtc/rtc-m41t80.c | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/drivers/rtc/rtc-m41t80.c b/drivers/rtc/rtc-m41t80.c index 412a4e04de79..f4c070ea8384 100644 --- a/drivers/rtc/rtc-m41t80.c +++ b/drivers/rtc/rtc-m41t80.c @@ -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; |