Re: RTC_DRV_CMOS can break userspace interface

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On Sunday 27 May 2007, Matthew Garrett wrote:
> On Mon, May 28, 2007 at 12:39:11AM +0100, Matthew Garrett wrote:
> 
> > but will disable /proc/acpi/wakeup. It'll also be impossible to load 
> > CONFIG_RTC_CMOS because CONFIG_RTC has grabbed the io ports, so it's not 
> > possible to use the new interface. This situation doesn't appear to be 
> > documented, which is less than ideal...
> 
> Actually, it seems to be worse than that - the PNP entry for my cmos 
> clock doesn't appear to mention an irq, so the wakealarm entry doesn't 
> work. I can happily wake it using the /proc/acpi/alarm interface.
> 
> David, would you be happy with hardcoding the rtc-cmos IRQ to 8 on PCs 
> if there's inadequate PNP information available?

That would seem to naturally belong in the PNP code, yes?

Agreed that it seems like it needs to be hardcoded somewhere.

- Dave
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