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rtc: sh: remove dead code 

Since commit 80d4bb515b ("RTC: Cleanup rtc_class_ops->irq_set_state") and
commit 696160fec1 ("RTC: Cleanup rtc_class_ops->irq_set_freq()"),
sh_rtc_irq_set_state and sh_rtc_irq_set_freq are never called. Remove them
along with task handling.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Alexandre Belloni 2018-07-25 16:45:39 +02:00
parent 1f28231c66
commit ec623ff014
1 changed files with 1 additions and 88 deletions
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89
drivers/rtc/rtc-sh.c
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@ -143,7 +143,6 @@ static int __sh_rtc_alarm(struct sh_rtc *rtc)
static int __sh_rtc_periodic(struct sh_rtc *rtc)
{
struct rtc_device *rtc_dev = rtc->rtc_dev;
struct rtc_task *irq_task;
unsigned int tmp, pending;
tmp = readb(rtc->regbase + RCR2);
@ -160,14 +159,7 @@ static int __sh_rtc_periodic(struct sh_rtc *rtc)
else {
if (rtc->periodic_freq & PF_HP)
rtc->periodic_freq |= PF_COUNT;
if (rtc->periodic_freq & PF_KOU) {
spin_lock(&rtc_dev->irq_task_lock);
irq_task = rtc_dev->irq_task;
if (irq_task)
irq_task->func(irq_task->private_data);
spin_unlock(&rtc_dev->irq_task_lock);
} else
rtc_update_irq(rtc->rtc_dev, 1, RTC_PF | RTC_IRQF);
rtc_update_irq(rtc->rtc_dev, 1, RTC_PF | RTC_IRQF);
}
return pending;
@ -223,81 +215,6 @@ static irqreturn_t sh_rtc_shared(int irq, void *dev_id)
return IRQ_RETVAL(ret);
}
static int sh_rtc_irq_set_state(struct device *dev, int enable)
{
struct sh_rtc *rtc = dev_get_drvdata(dev);
unsigned int tmp;
spin_lock_irq(&rtc->lock);
tmp = readb(rtc->regbase + RCR2);
if (enable) {
rtc->periodic_freq |= PF_KOU;
tmp &= ~RCR2_PEF; /* Clear PES bit */
tmp |= (rtc->periodic_freq & ~PF_HP); /* Set PES2-0 */
} else {
rtc->periodic_freq &= ~PF_KOU;
tmp &= ~(RCR2_PESMASK | RCR2_PEF);
}
writeb(tmp, rtc->regbase + RCR2);
spin_unlock_irq(&rtc->lock);
return 0;
}
static int sh_rtc_irq_set_freq(struct device *dev, int freq)
{
struct sh_rtc *rtc = dev_get_drvdata(dev);
int tmp, ret = 0;
spin_lock_irq(&rtc->lock);
tmp = rtc->periodic_freq & PF_MASK;
switch (freq) {
case 0:
rtc->periodic_freq = 0x00;
break;
case 1:
rtc->periodic_freq = 0x60;
break;
case 2:
rtc->periodic_freq = 0x50;
break;
case 4:
rtc->periodic_freq = 0x40;
break;
case 8:
rtc->periodic_freq = 0x30 | PF_HP;
break;
case 16:
rtc->periodic_freq = 0x30;
break;
case 32:
rtc->periodic_freq = 0x20 | PF_HP;
break;
case 64:
rtc->periodic_freq = 0x20;
break;
case 128:
rtc->periodic_freq = 0x10 | PF_HP;
break;
case 256:
rtc->periodic_freq = 0x10;
break;
default:
ret = -ENOTSUPP;
}
if (ret == 0)
rtc->periodic_freq |= tmp;
spin_unlock_irq(&rtc->lock);
return ret;
}
static inline void sh_rtc_setaie(struct device *dev, unsigned int enable)
{
struct sh_rtc *rtc = dev_get_drvdata(dev);
@ -674,8 +591,6 @@ static int __init sh_rtc_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, rtc);
/* everything disabled by default */
sh_rtc_irq_set_freq(&pdev->dev, 0);
sh_rtc_irq_set_state(&pdev->dev, 0);
sh_rtc_setaie(&pdev->dev, 0);
sh_rtc_setcie(&pdev->dev, 0);
@ -707,8 +622,6 @@ static int __exit sh_rtc_remove(struct platform_device *pdev)
{
struct sh_rtc *rtc = platform_get_drvdata(pdev);
sh_rtc_irq_set_state(&pdev->dev, 0);
sh_rtc_setaie(&pdev->dev, 0);
sh_rtc_setcie(&pdev->dev, 0);