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>

9 files changed, 0 insertions, 225 deletions

diff --git a/drivers/rtc/rtc-at91rm9200.c b/drivers/rtc/rtc-at91rm9200.c
index 26d1cf5..518a76e 100644
--- a/drivers/rtc/rtc-at91rm9200.c
+++ b/drivers/rtc/rtc-at91rm9200.c
@@ -183,33 +183,6 @@ static int at91_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
 	return 0;
 }
 
-/*
- * Handle commands from user-space
- */
-static int at91_rtc_ioctl(struct device *dev, unsigned int cmd,
-			unsigned long arg)
-{
-	int ret = 0;
-
-	pr_debug("%s(): cmd=%08x, arg=%08lx.\n", __func__, cmd, arg);
-
-	/* important:  scrub old status before enabling IRQs */
-	switch (cmd) {
-	case RTC_UIE_OFF:	/* update off */
-		at91_sys_write(AT91_RTC_IDR, AT91_RTC_SECEV);
-		break;
-	case RTC_UIE_ON:	/* update on */
-		at91_sys_write(AT91_RTC_SCCR, AT91_RTC_SECEV);
-		at91_sys_write(AT91_RTC_IER, AT91_RTC_SECEV);
-		break;
-	default:
-		ret = -ENOIOCTLCMD;
-		break;
-	}
-
-	return ret;
-}
-
 static int at91_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
 {
 	pr_debug("%s(): cmd=%08x\n", __func__, enabled);
@@ -269,7 +242,6 @@ static irqreturn_t at91_rtc_interrupt(int irq, void *dev_id)
 }
 
 static const struct rtc_class_ops at91_rtc_ops = {
-	.ioctl		= at91_rtc_ioctl,
 	.read_time	= at91_rtc_readtime,
 	.set_time	= at91_rtc_settime,
 	.read_alarm	= at91_rtc_readalarm,
diff --git a/drivers/rtc/rtc-at91sam9.c b/drivers/rtc/rtc-at91sam9.c
index 5469c52..a3ad957 100644
--- a/drivers/rtc/rtc-at91sam9.c
+++ b/drivers/rtc/rtc-at91sam9.c
@@ -216,33 +216,6 @@ static int at91_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
 	return 0;
 }
 
-/*
- * Handle commands from user-space
- */
-static int at91_rtc_ioctl(struct device *dev, unsigned int cmd,
-			unsigned long arg)
-{
-	struct sam9_rtc *rtc = dev_get_drvdata(dev);
-	int ret = 0;
-	u32 mr = rtt_readl(rtc, MR);
-
-	dev_dbg(dev, "ioctl: cmd=%08x, arg=%08lx, mr %08x\n", cmd, arg, mr);
-
-	switch (cmd) {
-	case RTC_UIE_OFF:		/* update off */
-		rtt_writel(rtc, MR, mr & ~AT91_RTT_RTTINCIEN);
-		break;
-	case RTC_UIE_ON:		/* update on */
-		rtt_writel(rtc, MR, mr | AT91_RTT_RTTINCIEN);
-		break;
-	default:
-		ret = -ENOIOCTLCMD;
-		break;
-	}
-
-	return ret;
-}
-
 static int at91_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
 {
 	struct sam9_rtc *rtc = dev_get_drvdata(dev);
@@ -303,7 +276,6 @@ static irqreturn_t at91_rtc_interrupt(int irq, void *_rtc)
 }
 
 static const struct rtc_class_ops at91_rtc_ops = {
-	.ioctl		= at91_rtc_ioctl,
 	.read_time	= at91_rtc_readtime,
 	.set_time	= at91_rtc_settime,
 	.read_alarm	= at91_rtc_readalarm,
diff --git a/drivers/rtc/rtc-bfin.c b/drivers/rtc/rtc-bfin.c
index 17971d9..ca9cff8 100644
--- a/drivers/rtc/rtc-bfin.c
+++ b/drivers/rtc/rtc-bfin.c
@@ -240,32 +240,6 @@ static void bfin_rtc_int_set_alarm(struct bfin_rtc *rtc)
 	 */
 	bfin_rtc_int_set(rtc->rtc_alarm.tm_yday == -1 ? RTC_ISTAT_ALARM : RTC_ISTAT_ALARM_DAY);
 }
-static int bfin_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long arg)
-{
-	struct bfin_rtc *rtc = dev_get_drvdata(dev);
-	int ret = 0;
-
-	dev_dbg_stamp(dev);
-
-	bfin_rtc_sync_pending(dev);
-
-	switch (cmd) {
-	case RTC_UIE_ON:
-		dev_dbg_stamp(dev);
-		bfin_rtc_int_set(RTC_ISTAT_SEC);
-		break;
-	case RTC_UIE_OFF:
-		dev_dbg_stamp(dev);
-		bfin_rtc_int_clear(~RTC_ISTAT_SEC);
-		break;
-
-	default:
-		dev_dbg_stamp(dev);
-		ret = -ENOIOCTLCMD;
-	}
-
-	return ret;
-}
 
 static int bfin_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
 {
@@ -358,7 +332,6 @@ static int bfin_rtc_proc(struct device *dev, struct seq_file *seq)
 }
 
 static struct rtc_class_ops bfin_rtc_ops = {
-	.ioctl         = bfin_rtc_ioctl,
 	.read_time     = bfin_rtc_read_time,
 	.set_time      = bfin_rtc_set_time,
 	.read_alarm    = bfin_rtc_read_alarm,
diff --git a/drivers/rtc/rtc-davinci.c b/drivers/rtc/rtc-davinci.c
index dfd98a2..8d46838 100644
--- a/drivers/rtc/rtc-davinci.c
+++ b/drivers/rtc/rtc-davinci.c
@@ -231,10 +231,6 @@ davinci_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long arg)
 	case RTC_WIE_OFF:
 		rtc_ctrl &= ~PRTCSS_RTC_CTRL_WEN;
 		break;
-	case RTC_UIE_OFF:
-	case RTC_UIE_ON:
-		ret = -ENOTTY;
-		break;
 	default:
 		ret = -ENOIOCTLCMD;
 	}
diff --git a/drivers/rtc/rtc-omap.c b/drivers/rtc/rtc-omap.c
index b4dbf3a3..de0dd7b 100644
--- a/drivers/rtc/rtc-omap.c
+++ b/drivers/rtc/rtc-omap.c
@@ -135,44 +135,6 @@ static irqreturn_t rtc_irq(int irq, void *rtc)
 	return IRQ_HANDLED;
 }
 
-#ifdef	CONFIG_RTC_INTF_DEV
-
-static int
-omap_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long arg)
-{
-	u8 reg;
-
-	switch (cmd) {
-	case RTC_UIE_OFF:
-	case RTC_UIE_ON:
-		break;
-	default:
-		return -ENOIOCTLCMD;
-	}
-
-	local_irq_disable();
-	rtc_wait_not_busy();
-	reg = rtc_read(OMAP_RTC_INTERRUPTS_REG);
-	switch (cmd) {
-	/* UIE = Update Interrupt Enable (1/second) */
-	case RTC_UIE_OFF:
-		reg &= ~OMAP_RTC_INTERRUPTS_IT_TIMER;
-		break;
-	case RTC_UIE_ON:
-		reg |= OMAP_RTC_INTERRUPTS_IT_TIMER;
-		break;
-	}
-	rtc_wait_not_busy();
-	rtc_write(reg, OMAP_RTC_INTERRUPTS_REG);
-	local_irq_enable();
-
-	return 0;
-}
-
-#else
-#define	omap_rtc_ioctl	NULL
-#endif
-
 static int omap_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
 {
 	u8 reg;
@@ -313,7 +275,6 @@ static int omap_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm)
 }
 
 static struct rtc_class_ops omap_rtc_ops = {
-	.ioctl		= omap_rtc_ioctl,
 	.read_time	= omap_rtc_read_time,
 	.set_time	= omap_rtc_set_time,
 	.read_alarm	= omap_rtc_read_alarm,
diff --git a/drivers/rtc/rtc-pl030.c b/drivers/rtc/rtc-pl030.c
index bbdb2f0..d554368 100644
--- a/drivers/rtc/rtc-pl030.c
+++ b/drivers/rtc/rtc-pl030.c
@@ -35,11 +35,6 @@ static irqreturn_t pl030_interrupt(int irq, void *dev_id)
 	return IRQ_HANDLED;
 }
 
-static int pl030_ioctl(struct device *dev, unsigned int cmd, unsigned long arg)
-{
-	return -ENOIOCTLCMD;
-}
-
 static int pl030_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
 {
 	struct pl030_rtc *rtc = dev_get_drvdata(dev);
@@ -96,7 +91,6 @@ static int pl030_set_time(struct device *dev, struct rtc_time *tm)
 }
 
 static const struct rtc_class_ops pl030_ops = {
-	.ioctl		= pl030_ioctl,
 	.read_time	= pl030_read_time,
 	.set_time	= pl030_set_time,
 	.read_alarm	= pl030_read_alarm,
diff --git a/drivers/rtc/rtc-rs5c372.c b/drivers/rtc/rtc-rs5c372.c
index 6aaa155..85c1b84 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,
diff --git a/drivers/rtc/rtc-sa1100.c b/drivers/rtc/rtc-sa1100.c
index d1a2b0b..a918933 100644
--- a/drivers/rtc/rtc-sa1100.c
+++ b/drivers/rtc/rtc-sa1100.c
@@ -293,24 +293,6 @@ static void sa1100_rtc_release(struct device *dev)
 }
 
 
-static int sa1100_rtc_ioctl(struct device *dev, unsigned int cmd,
-		unsigned long arg)
-{
-	switch (cmd) {
-	case RTC_UIE_OFF:
-		spin_lock_irq(&sa1100_rtc_lock);
-		RTSR &= ~RTSR_HZE;
-		spin_unlock_irq(&sa1100_rtc_lock);
-		return 0;
-	case RTC_UIE_ON:
-		spin_lock_irq(&sa1100_rtc_lock);
-		RTSR |= RTSR_HZE;
-		spin_unlock_irq(&sa1100_rtc_lock);
-		return 0;
-	}
-	return -ENOIOCTLCMD;
-}
-
 static int sa1100_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
 {
 	spin_lock_irq(&sa1100_rtc_lock);
@@ -386,7 +368,6 @@ static const struct rtc_class_ops sa1100_rtc_ops = {
 	.open = sa1100_rtc_open,
 	.read_callback = sa1100_rtc_read_callback,
 	.release = sa1100_rtc_release,
-	.ioctl = sa1100_rtc_ioctl,
 	.read_time = sa1100_rtc_read_time,
 	.set_time = sa1100_rtc_set_time,
 	.read_alarm = sa1100_rtc_read_alarm,
diff --git a/drivers/rtc/rtc-sh.c b/drivers/rtc/rtc-sh.c
index 1485449..e55dc1a 100644
--- a/drivers/rtc/rtc-sh.c
+++ b/drivers/rtc/rtc-sh.c
@@ -344,27 +344,6 @@ static inline void sh_rtc_setcie(struct device *dev, unsigned int enable)
 	spin_unlock_irq(&rtc->lock);
 }
 
-static int sh_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long arg)
-{
-	struct sh_rtc *rtc = dev_get_drvdata(dev);
-	unsigned int ret = 0;
-
-	switch (cmd) {
-	case RTC_UIE_OFF:
-		rtc->periodic_freq &= ~PF_OXS;
-		sh_rtc_setcie(dev, 0);
-		break;
-	case RTC_UIE_ON:
-		rtc->periodic_freq |= PF_OXS;
-		sh_rtc_setcie(dev, 1);
-		break;
-	default:
-		ret = -ENOIOCTLCMD;
-	}
-
-	return ret;
-}
-
 static int sh_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
 {
 	sh_rtc_setaie(dev, enabled);
@@ -598,7 +577,6 @@ static int sh_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *wkalrm)
 }
 
 static struct rtc_class_ops sh_rtc_ops = {
-	.ioctl		= sh_rtc_ioctl,
 	.read_time	= sh_rtc_read_time,
 	.set_time	= sh_rtc_set_time,
 	.read_alarm	= sh_rtc_read_alarm,