rtc: sh: remove dead code

Since commit 80d4bb515b78 ("RTC: Cleanup rtc_class_ops->irq_set_state") and
commit 696160fec162 ("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>

diff --git a/drivers/rtc/rtc-sh.c b/drivers/rtc/rtc-sh.c
index 4f98543d1ea5d700d52572add88dc37200c7b4e6..abbce362f4df94ea90e199a6c41c3e4eb54bc8da 100644 (file)
--- a/drivers/rtc/rtc-sh.c
+++ b/drivers/rtc/rtc-sh.c
@@ -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);