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path: root/drivers/rtc/rtc-rs5c372.c
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Diffstat (limited to 'drivers/rtc/rtc-rs5c372.c')
-rw-r--r--drivers/rtc/rtc-rs5c372.c52
1 files changed, 0 insertions, 52 deletions
diff --git a/drivers/rtc/rtc-rs5c372.c b/drivers/rtc/rtc-rs5c372.c
index 6aaa1550e3b1..85c1b848dd72 100644
--- a/drivers/rtc/rtc-rs5c372.c
+++ b/drivers/rtc/rtc-rs5c372.c
@@ -281,57 +281,6 @@ static int rs5c372_rtc_set_time(struct device *dev, struct rtc_time *tm)
return rs5c372_set_datetime(to_i2c_client(dev), tm);
}
-#if defined(CONFIG_RTC_INTF_DEV) || defined(CONFIG_RTC_INTF_DEV_MODULE)
-
-static int
-rs5c_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long arg)
-{
- struct i2c_client *client = to_i2c_client(dev);
- struct rs5c372 *rs5c = i2c_get_clientdata(client);
- unsigned char buf;
- int status, addr;
-
- buf = rs5c->regs[RS5C_REG_CTRL1];
- switch (cmd) {
- case RTC_UIE_OFF:
- case RTC_UIE_ON:
- /* some 327a modes use a different IRQ pin for 1Hz irqs */
- if (rs5c->type == rtc_rs5c372a
- && (buf & RS5C372A_CTRL1_SL1))
- return -ENOIOCTLCMD;
- default:
- return -ENOIOCTLCMD;
- }
-
- status = rs5c_get_regs(rs5c);
- if (status < 0)
- return status;
-
- addr = RS5C_ADDR(RS5C_REG_CTRL1);
- switch (cmd) {
- case RTC_UIE_OFF: /* update off */
- buf &= ~RS5C_CTRL1_CT_MASK;
- break;
- case RTC_UIE_ON: /* update on */
- buf &= ~RS5C_CTRL1_CT_MASK;
- buf |= RS5C_CTRL1_CT4;
- break;
- }
-
- if (i2c_smbus_write_byte_data(client, addr, buf) < 0) {
- printk(KERN_WARNING "%s: can't update alarm\n",
- rs5c->rtc->name);
- status = -EIO;
- } else
- rs5c->regs[RS5C_REG_CTRL1] = buf;
-
- return status;
-}
-
-#else
-#define rs5c_rtc_ioctl NULL
-#endif
-
static int rs5c_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
{
@@ -480,7 +429,6 @@ static int rs5c372_rtc_proc(struct device *dev, struct seq_file *seq)
static const struct rtc_class_ops rs5c372_rtc_ops = {
.proc = rs5c372_rtc_proc,
- .ioctl = rs5c_rtc_ioctl,
.read_time = rs5c372_rtc_read_time,
.set_time = rs5c372_rtc_set_time,
.read_alarm = rs5c_read_alarm,
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