return 0;
}
-static int cmos_set_freq(struct device *dev, int freq)
+static int cmos_irq_set_freq(struct device *dev, int freq)
{
struct cmos_rtc *cmos = dev_get_drvdata(dev);
int f;
return 0;
}
+static int cmos_irq_set_state(struct device *dev, int enabled)
+{
+ struct cmos_rtc *cmos = dev_get_drvdata(dev);
+ unsigned char rtc_control, rtc_intr;
+ unsigned long flags;
+
+ if (!is_valid_irq(cmos->irq))
+ return -ENXIO;
+
+ spin_lock_irqsave(&rtc_lock, flags);
+ rtc_control = CMOS_READ(RTC_CONTROL);
+
+ if (enabled)
+ rtc_control |= RTC_PIE;
+ else
+ rtc_control &= ~RTC_PIE;
+
+ CMOS_WRITE(rtc_control, RTC_CONTROL);
+
+ rtc_intr = CMOS_READ(RTC_INTR_FLAGS);
+ rtc_intr &= (rtc_control & RTC_IRQMASK) | RTC_IRQF;
+ if (is_intr(rtc_intr))
+ rtc_update_irq(cmos->rtc, 1, rtc_intr);
+
+ spin_unlock_irqrestore(&rtc_lock, flags);
+ return 0;
+}
+
#if defined(CONFIG_RTC_INTF_DEV) || defined(CONFIG_RTC_INTF_DEV_MODULE)
static int
.read_alarm = cmos_read_alarm,
.set_alarm = cmos_set_alarm,
.proc = cmos_procfs,
- .irq_set_freq = cmos_set_freq,
+ .irq_set_freq = cmos_irq_set_freq,
+ .irq_set_state = cmos_irq_set_state,
};
/*----------------------------------------------------------------*/
* drivers can't provide shutdown() methods to disable IRQs.
* Or better yet, fix PNP to allow those methods...
*/
- return cmos_do_probe(&pnp->dev,
- &pnp->res.port_resource[0],
- pnp->res.irq_resource[0].start);
+ if (pnp_port_start(pnp,0) == 0x70 && !pnp_irq_valid(pnp,0))
+ /* Some machines contain a PNP entry for the RTC, but
+ * don't define the IRQ. It should always be safe to
+ * hardcode it in these cases
+ */
+ return cmos_do_probe(&pnp->dev, &pnp->res.port_resource[0], 8);
+ else
+ return cmos_do_probe(&pnp->dev,
+ &pnp->res.port_resource[0],
+ pnp->res.irq_resource[0].start);
}
static void __exit cmos_pnp_remove(struct pnp_dev *pnp)