On Thu, Oct 2, 2014 at 8:56 AM, Finn Thain <[email protected]> wrote:
> --- linux.orig/arch/m68k/atari/stdma.c 2014-10-02 16:55:28.000000000 +1000
> +++ linux/arch/m68k/atari/stdma.c 2014-10-02 16:56:20.000000000 +1000
> -int stdma_others_waiting(void)
> +int stdma_is_locked_by(irq_handler_t handler)
> {
> - return waitqueue_active(&stdma_wait);
> + unsigned long flags;
> +
> + local_irq_save(flags);
> + if (stdma_locked && (stdma_isr == handler)) {
> + local_irq_restore(flags);
> + return 1;
> + }
> + local_irq_restore(flags);
> + return 0;
> }
This can be written shorter:
int stdma_is_locked_by(irq_handler_t handler)
{
unsigned long flags;
int res;
local_irq_save(flags);
res = stdma_locked && (stdma_isr == handler);
local_irq_restore(flags);
return res;
}
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected]
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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