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Re: timer interrupt

On Thu, Jan 02, 2003 at 02:12:53PM +0100, Geert Fannes wrote:
> request_irq(0,stepper_isr,SA_SHIRQ,"stepper",&iNothing)
> 
> fails and returns -16 (16 == EBUSY, 12 == ENOMEM, 22 == EINVAL, so i 
> guess that the "-" characters in `man request_irq` in the return value 
> section are really minus signs, and not some item indicators. i mean: 
> can i interpret "-16" as being EBUSY?). i tried also using the flags 
> SA_INTERRUPT|SA_SHIRQ, but it gave the same result, so i gues the timer 
> interrupt cannot be shared using request_irq().

You're right, the '-' is normal minus sign according to the new policy of
indicating errors by returning values below 0.

-- 
tadeusz a. kadlubowski
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