Jeff Garzik <[email protected]> writes:
> commit 8d45690dd90b18daaa21b981ab20caf393220bf0
> Author: Jeff Garzik <[email protected]>
> Date: Fri Oct 19 00:46:23 2007 -0400
>
> [IRQ ARG REMOVAL] various non-trivial arch updates
>
> arch/x86/kernel/vm86_32.c | 3 ++-
> include/asm-x86/irq_regs_32.h | 25 +++++++++++++++++++++++++
> 2 files changed, 27 insertions(+), 1 deletion(-)
>
> 8d45690dd90b18daaa21b981ab20caf393220bf0
> diff --git a/arch/x86/kernel/vm86_32.c b/arch/x86/kernel/vm86_32.c
> index 157e4be..18aae9e 100644
> --- a/arch/x86/kernel/vm86_32.c
> +++ b/arch/x86/kernel/vm86_32.c
> @@ -739,10 +739,11 @@ static int irqbits;
> | (1 << SIGUSR1) | (1 << SIGUSR2) | (1 << SIGIO) | (1 << SIGURG) \
> | (1 << SIGUNUSED) )
>
> -static irqreturn_t irq_handler(int intno, void *dev_id)
> +static irqreturn_t irq_handler(void *dev_id)
> {
> int irq_bit;
> unsigned long flags;
> + unsigned int intno = get_irqfunc_irq();
>
> spin_lock_irqsave(&irqbits_lock, flags);
> irq_bit = 1 << intno;
In this case we can easily pass the irqno into request_irq, allowing
us to do "unsigned int intno = (unsigned int)dev_id;".
I suspect this is the case for the majority of the non-trivial users
as well.
Eric
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