#include <linux/pm.h>
#include <linux/platform_device.h>
#include <linux/io.h>
+#include <linux/slab.h>
/*
* Registers in the COH 901 331
clk_enable(rtap->clk);
/* Ack IRQ */
writel(1, rtap->virtbase + COH901331_IRQ_EVENT);
+ /*
+ * Disable the interrupt. This is necessary because
+ * the RTC lives on a lower-clocked line and will
+ * not release the IRQ line until after a few (slower)
+ * clock cycles. The interrupt will be re-enabled when
+ * a new alarm is set anyway.
+ */
+ writel(0, rtap->virtbase + COH901331_IRQ_MASK);
clk_disable(rtap->clk);
+
/* Set alarm flag */
rtc_update_irq(rtap->rtc, 1, RTC_AF);
else
writel(0, rtap->virtbase + COH901331_IRQ_MASK);
clk_disable(rtap->clk);
+
+ return 0;
}
static struct rtc_class_ops coh901331_ops = {
{
struct coh901331_port *rtap = dev_get_drvdata(&pdev->dev);
- if (device_may_wakeup(&pdev->dev))
+ if (device_may_wakeup(&pdev->dev)) {
disable_irq_wake(rtap->irq);
- else
+ } else {
clk_enable(rtap->clk);
writel(rtap->irqmaskstore, rtap->virtbase + COH901331_IRQ_MASK);
clk_disable(rtap->clk);
+ }
return 0;
}
#else