Commit c2c21e9b authored by Daniel Drake's avatar Daniel Drake Committed by Ingo Molnar

x86/olpc/xo1/sci: Report RTC wakeup events

When the system is woken due to a RTC event, report the wakeup
event on the relevant rtc device (if it can be found).
Signed-off-by: default avatarDaniel Drake <dsd@laptop.org>
Cc: dilinger@queued.net
Cc: pgf@laptop.org
Link: http://lkml.kernel.org/r/20120418223402.D73249D401E@zog.reactivated.netSigned-off-by: default avatarIngo Molnar <mingo@kernel.org>
parent d2aa3741
......@@ -236,6 +236,18 @@ static irqreturn_t xo1_sci_intr(int irq, void *dev_id)
pm_wakeup_event(&power_button_idev->dev, 0);
}
if ((sts & (CS5536_RTC_FLAG | CS5536_WAK_FLAG)) ==
(CS5536_RTC_FLAG | CS5536_WAK_FLAG)) {
/* When the system is woken by the RTC alarm, report the
* event on the rtc device. */
struct device *rtc = bus_find_device_by_name(
&platform_bus_type, NULL, "rtc_cmos");
if (rtc) {
pm_wakeup_event(rtc, 0);
put_device(rtc);
}
}
if (gpe & CS5536_GPIOM7_PME_FLAG) { /* EC GPIO */
cs5535_gpio_set(OLPC_GPIO_ECSCI, GPIO_NEGATIVE_EDGE_STS);
schedule_work(&sci_work);
......@@ -326,9 +338,10 @@ static int __devinit setup_sci_interrupt(struct platform_device *pdev)
outb(lo, CS5536_PIC_INT_SEL2);
}
/* Enable SCI from power button, and clear pending interrupts */
/* Enable interesting SCI events, and clear pending interrupts */
sts = inl(acpi_base + CS5536_PM1_STS);
outl((CS5536_PM_PWRBTN << 16) | 0xffff, acpi_base + CS5536_PM1_STS);
outl(((CS5536_PM_PWRBTN | CS5536_PM_RTC) << 16) | 0xffff,
acpi_base + CS5536_PM1_STS);
r = request_irq(sci_irq, xo1_sci_intr, 0, DRV_NAME, pdev);
if (r)
......
......@@ -95,6 +95,7 @@ static inline int cs5535_pic_unreqz_select_high(unsigned int group,
/* CS5536_PM1_STS bits */
#define CS5536_WAK_FLAG (1 << 15)
#define CS5536_RTC_FLAG (1 << 10)
#define CS5536_PWRBTN_FLAG (1 << 8)
/* CS5536_PM1_EN bits */
......
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