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authorAlexandre Belloni <alexandre.belloni@free-electrons.com>2017-08-23 02:15:42 +0300
committerAlexandre Belloni <alexandre.belloni@free-electrons.com>2017-08-24 12:03:34 +0300
commitbe8e2746462b11e92a882e45317fafcd2c0dc50b (patch)
treebfbea6bcb4ac47343a8b1f17b8111add3d08e008 /drivers/rtc/rtc-m41t80.c
parentd4473b9b778f39f0b5da870a9a96b5778861c60b (diff)
downloadlinux-be8e2746462b11e92a882e45317fafcd2c0dc50b.tar.xz
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/rtc/rtc-m41t80.c')
-rw-r--r--drivers/rtc/rtc-m41t80.c44
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;