@@ -199,74 +199,6 @@ static struct bin_attribute nvram_attr = {
.size = DS1343_NVRAM_LEN,
};
-static ssize_t ds1343_show_alarmstatus(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct ds1343_priv *priv = dev_get_drvdata(dev);
- int alarmstatus, data;
-
- regmap_read(priv->map, DS1343_CONTROL_REG, &data);
-
- alarmstatus = !!(data & DS1343_A0IE);
-
- if (alarmstatus)
- return sprintf(buf, "enabled\n");
- else
- return sprintf(buf, "disabled\n");
-}
-
-static DEVICE_ATTR(alarm_status, S_IRUGO, ds1343_show_alarmstatus, NULL);
-
-static ssize_t ds1343_show_alarmmode(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct ds1343_priv *priv = dev_get_drvdata(dev);
- int alarm_mode, data;
- char *alarm_str;
-
- regmap_read(priv->map, DS1343_ALM0_SEC_REG, &data);
- alarm_mode = (data & 0x80) >> 4;
-
- regmap_read(priv->map, DS1343_ALM0_MIN_REG, &data);
- alarm_mode |= (data & 0x80) >> 5;
-
- regmap_read(priv->map, DS1343_ALM0_HOUR_REG, &data);
- alarm_mode |= (data & 0x80) >> 6;
-
- regmap_read(priv->map, DS1343_ALM0_DAY_REG, &data);
- alarm_mode |= (data & 0x80) >> 7;
-
- switch (alarm_mode) {
- case 15:
- alarm_str = "each second";
- break;
-
- case 7:
- alarm_str = "seconds match";
- break;
-
- case 3:
- alarm_str = "minutes and seconds match";
- break;
-
- case 1:
- alarm_str = "hours, minutes and seconds match";
- break;
-
- case 0:
- alarm_str = "day, hours, minutes and seconds match";
- break;
-
- default:
- alarm_str = "invalid";
- break;
- }
-
- return sprintf(buf, "%s\n", alarm_str);
-}
-
-static DEVICE_ATTR(alarm_mode, S_IRUGO, ds1343_show_alarmmode, NULL);
-
static ssize_t ds1343_show_tricklecharger(struct device *dev,
struct device_attribute *attr, char *buf)
{
@@ -313,7 +245,6 @@ static DEVICE_ATTR(trickle_charger, S_IRUGO, ds1343_show_tricklecharger, NULL);
static int ds1343_sysfs_register(struct device *dev)
{
- struct ds1343_priv *priv = dev_get_drvdata(dev);
int err;
err = device_create_file(dev, &dev_attr_glitch_filter);
@@ -325,26 +256,9 @@ static int ds1343_sysfs_register(struct device *dev)
goto error1;
err = device_create_bin_file(dev, &nvram_attr);
- if (err)
- goto error2;
-
- if (priv->irq <= 0)
- return err;
-
- err = device_create_file(dev, &dev_attr_alarm_mode);
- if (err)
- goto error3;
-
- err = device_create_file(dev, &dev_attr_alarm_status);
if (!err)
- return err;
-
- device_remove_file(dev, &dev_attr_alarm_mode);
-
-error3:
- device_remove_bin_file(dev, &nvram_attr);
+ return 0;
-error2:
device_remove_file(dev, &dev_attr_trickle_charger);
error1:
@@ -355,17 +269,9 @@ static int ds1343_sysfs_register(struct device *dev)
static void ds1343_sysfs_unregister(struct device *dev)
{
- struct ds1343_priv *priv = dev_get_drvdata(dev);
-
device_remove_file(dev, &dev_attr_glitch_filter);
device_remove_file(dev, &dev_attr_trickle_charger);
device_remove_bin_file(dev, &nvram_attr);
-
- if (priv->irq <= 0)
- return;
-
- device_remove_file(dev, &dev_attr_alarm_status);
- device_remove_file(dev, &dev_attr_alarm_mode);
}
static int ds1343_read_time(struct device *dev, struct rtc_time *dt)
A documented ABI already exists to get information about the alarm. It is the only one that is used. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> --- drivers/rtc/rtc-ds1343.c | 96 +----------------------------------------------- 1 file changed, 1 insertion(+), 95 deletions(-)