openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

Merge branch 'fortglx/3.0/tip/timers/rtc' of git://git.linaro.org/people/jstultz/linux into timers/urgent 

* rtc: vt8500: Fix build error & cleanup rtc_class_ops->update_irq_enable()
This commit is contained in:
Thomas Gleixner 2011-06-25 10:30:00 +02:00
parent 1c6b39ad3f 03ad2d501e
commit b1eb085c06
1 changed files with 3 additions and 42 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

45
drivers/rtc/rtc-vt8500.c
View File

@ -78,7 +78,6 @@ struct vt8500_rtc {
void __iomem *regbase;
struct resource *res;
int irq_alarm;
int irq_hz;
struct rtc_device *rtc;
spinlock_t lock; /* Protects this structure */
};
@ -100,10 +99,6 @@ static irqreturn_t vt8500_rtc_irq(int irq, void *dev_id)
if (isr & 1)
events |= RTC_AF | RTC_IRQF;
/* Only second/minute interrupts are supported */
if (isr & 2)
events |= RTC_UF | RTC_IRQF;
rtc_update_irq(vt8500_rtc->rtc, 1, events);
return IRQ_HANDLED;
@ -199,27 +194,12 @@ static int vt8500_alarm_irq_enable(struct device *dev, unsigned int enabled)
return 0;
}
static int vt8500_update_irq_enable(struct device *dev, unsigned int enabled)
{
struct vt8500_rtc *vt8500_rtc = dev_get_drvdata(dev);
unsigned long tmp = readl(vt8500_rtc->regbase + VT8500_RTC_CR);
if (enabled)
tmp |= VT8500_RTC_CR_SM_SEC | VT8500_RTC_CR_SM_ENABLE;
else
tmp &= ~VT8500_RTC_CR_SM_ENABLE;
writel(tmp, vt8500_rtc->regbase + VT8500_RTC_CR);
return 0;
}
static const struct rtc_class_ops vt8500_rtc_ops = {
.read_time = vt8500_rtc_read_time,
.set_time = vt8500_rtc_set_time,
.read_alarm = vt8500_rtc_read_alarm,
.set_alarm = vt8500_rtc_set_alarm,
.alarm_irq_enable = vt8500_alarm_irq_enable,
.update_irq_enable = vt8500_update_irq_enable,
};
static int __devinit vt8500_rtc_probe(struct platform_device *pdev)
@ -248,13 +228,6 @@ static int __devinit vt8500_rtc_probe(struct platform_device *pdev)
goto err_free;
}
vt8500_rtc->irq_hz = platform_get_irq(pdev, 1);
if (vt8500_rtc->irq_hz < 0) {
dev_err(&pdev->dev, "No 1Hz IRQ resource defined\n");
ret = -ENXIO;
goto err_free;
}
vt8500_rtc->res = request_mem_region(vt8500_rtc->res->start,
resource_size(vt8500_rtc->res),
"vt8500-rtc");
@ -272,9 +245,8 @@ static int __devinit vt8500_rtc_probe(struct platform_device *pdev)
goto err_release;
}
/* Enable the second/minute interrupt generation and enable RTC */
writel(VT8500_RTC_CR_ENABLE | VT8500_RTC_CR_24H
| VT8500_RTC_CR_SM_ENABLE | VT8500_RTC_CR_SM_SEC,
/* Enable RTC and set it to 24-hour mode */
writel(VT8500_RTC_CR_ENABLE | VT8500_RTC_CR_24H,
vt8500_rtc->regbase + VT8500_RTC_CR);
vt8500_rtc->rtc = rtc_device_register("vt8500-rtc", &pdev->dev,
@ -286,26 +258,16 @@ static int __devinit vt8500_rtc_probe(struct platform_device *pdev)
goto err_unmap;
}
ret = request_irq(vt8500_rtc->irq_hz, vt8500_rtc_irq, 0,
"rtc 1Hz", vt8500_rtc);
if (ret < 0) {
dev_err(&pdev->dev, "can't get irq %i, err %d\n",
vt8500_rtc->irq_hz, ret);
goto err_unreg;
}
ret = request_irq(vt8500_rtc->irq_alarm, vt8500_rtc_irq, 0,
"rtc alarm", vt8500_rtc);
if (ret < 0) {
dev_err(&pdev->dev, "can't get irq %i, err %d\n",
vt8500_rtc->irq_alarm, ret);
goto err_free_hz;
goto err_unreg;
}
return 0;
err_free_hz:
free_irq(vt8500_rtc->irq_hz, vt8500_rtc);
err_unreg:
rtc_device_unregister(vt8500_rtc->rtc);
err_unmap:
@ -323,7 +285,6 @@ static int __devexit vt8500_rtc_remove(struct platform_device *pdev)
struct vt8500_rtc *vt8500_rtc = platform_get_drvdata(pdev);
free_irq(vt8500_rtc->irq_alarm, vt8500_rtc);
free_irq(vt8500_rtc->irq_hz, vt8500_rtc);
rtc_device_unregister(vt8500_rtc->rtc);