[RFC] disabling RTC irq during release

[Rodolfo Giometti]

Hello,

Looking at other rtc drivers I noticed that during the release()
method we should disable IRQs as follow:

static void ds1307_release(struct device *dev)
{
        struct ds1307   *ds1307 = dev_get_drvdata(dev);

        if (ds1307->irq >= 0) {
                ds1307->irqen = 0;
                ds1307_update_alarm(ds1307);
        }
}

that's the code I put into my patch for ds1339.

But if I wish using RTC IRQ line to turn also the board ON, not just
to put to sleep it, I should leave the IRQ line on!

I think we should add a configuration option who allows developers to
choose if the RTC IRQ line should be disabled or not during release().

Ciao,

Rodolfo

-- 

GNU/Linux Solutions                  e-mail:    giometti@xxxxxxxxxxxx
Linux Device Driver                             giometti@xxxxxxxxx
Embedded Systems                     		giometti@xxxxxxxx
UNIX programming                     phone:     +39 349 2432127
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