> status = rtl_request_irq(7, intr_handler);
> /* enable parallel port interrupt */
> outb_p(inb_p(0x37A) | 0x10, 0x37A);
> rtl_hard_enable_irq(7);
>
> This should install the interrupt 7 handler and enable interrupt 7,
> right?
Right.
> outb_p(inb_p(0x21) & (~0x80), 0x21); //confusing
> outb_p(0x20, 0x20); //confusing
These two are not needed. However, rtl_no_interrupts/rtl_restore_interrupts
presence should make no difference.
Do you mean that when they are present,
you don't always get parport interrupts?
Michael.
PS What version of RTL is this?
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