Re: 2.5.63: 'Debug: sleeping function called from illegal context

[Russell King]

On Sun, Mar 02, 2003 at 04:15:25PM +0100, Manfred Spraul wrote:
> I would propose something like the attached patch - it handles all archs 
> that support disable_irq on an unregistered interrupt. The remaining 
> arch [which one, btw] must implement request_irq_disabled().
>...
> +{
> +	int retval;
> +	disable_irq(irq);
> +	retval = request_irq(irq, handler, irqflags, devname, dev_id);
> +	if (retval < 0)
> +		enable_irq(irq);
> +	return retval;
> +}
> +#endif

request_irq() explicitly enables the interrupt source no matter how many
times you call disable_irq() before hand.

-- 
Russell King ([e-mail])                The developer of ARM Linux
             http://www.arm.linux.org.uk/personal/aboutme.html