[PATCH 3/4] powerpc: rtc_cmos_setup: assign interrupts only if there is i8259 PIC

[Kumar Gala]

On Jun 11, 2008, at 6:04 PM, Anton Vorontsov wrote:

> i8259 PIC is disabled on MPC8610HPCD boards, thus currently rtc-cmos
> driver fails to probe.
>
> To fix the issue, we lookup the device tree for "chrp,iic" and
> "pnpPNP,000" compatible devices, and if not found we do not assign RTC
> IRQ and assuming that i8259 was disabled.
>
> Though this patch fixes RTC on some boards (and surely should not  
> break
> any other), the whole approach is still broken. We can't easily fix  
> this
> though, because old device trees do not specify i8259 interrupts for  
> the
> cmos rtc node.
>
> Signed-off-by: Anton Vorontsov <avorontsov at ru.mvista.com>
> ---
> arch/powerpc/sysdev/rtc_cmos_setup.c |   23 +++++++++++++++++------
> 1 files changed, 17 insertions(+), 6 deletions(-)

applied.

- k