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Message-Id: <20180726134056.18273-3-alexandre.belloni@bootlin.com>
Date: Thu, 26 Jul 2018 15:40:50 +0200
From: Alexandre Belloni <alexandre.belloni@...tlin.com>
To: linux-rtc@...r.kernel.org
Cc: linux-kernel@...r.kernel.org,
Alexandre Belloni <alexandre.belloni@...tlin.com>
Subject: [PATCH 2/8] 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@...tlin.com>
---
drivers/rtc/rtc-sh.c | 89 +-------------------------------------------
1 file changed, 1 insertion(+), 88 deletions(-)
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);
--
2.18.0
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