Re: [PATCH] x86: Get irq for hpet timer

From: Balaji Rao R
Date: Fri May 16 2008 - 03:54:13 EST

On Fri, May 16, 2008 at 11:35 AM, Kevin Hao <kexin.hao@xxxxxxxxxxxxx> wrote:
> Hi,
> x86: get irq for hpet timer
> HPET timer's IRQ is 0 by default, so we have to select which irq
> will be used for these timers. We wait to set the timer's irq until
> we really turn on interrupt in order to reduce the chance of
> conflicting with some legacy device.
Yes, this is alright. But i've seen some machines where we have a
valid IRQ in 'devp->hd_hdwirq' which you should not ignore. So, first
check if it is zero and only then do a hpet_timer_get_irq.

warm regards

Balaji Rao
NITK Surathkal
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