RTC: Clean out UIE icotl implementations

With the generic RTC rework, the UIE mode irqs are handled
in the generic layer, and only hardware specific ioctls
get passed down to the rtc driver layer.

So this patch removes the UIE mode ioctl handling in the rtc
driver layer, which never get used.

CC: Thomas Gleixner <tglx@linutronix.de>
CC: Alessandro Zummo <a.zummo@towertech.it>
CC: Marcelo Roberto Jimenez <mroberto@cpti.cetuc.puc-rio.br>
CC: rtc-linux@googlegroups.com
Signed-off-by: John Stultz <john.stultz@linaro.org>

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,