> + * This function can be called any context (IRQ or process context). It will

"from any context"

> + * report an error if not invoked from IRQ context and the irq has been marked
> + * to enforce IRQ-contex only.

"IRQ-context"

Other than that, the paragraph is really helpful now IMO. So with the
above fixed, you may add:

Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>