From ec623ff014c4e9c52d8ebf068d9801f5f9ab7348 Mon Sep 17 00:00:00 2001 From: Alexandre Belloni Date: Wed, 25 Jul 2018 16:45:39 +0200 Subject: 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 --- drivers/rtc/rtc-sh.c | 89 +--------------------------------------------------- 1 file changed, 1 insertion(+), 88 deletions(-) (limited to 'drivers/rtc/rtc-sh.c') diff --git a/drivers/rtc/rtc-sh.c b/drivers/rtc/rtc-sh.c index 4f98543d1ea5..abbce362f4df 100644 --- 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); -- cgit