https://bugs.freedesktop.org/show_bug.cgi?id=86539
--- Comment #11 from Hans de Goede <[email protected]> ---
Hi Pierre,
Thanks for working on this. I'm not sure what the nbs suffix stands for, maybe
rename it to
bl_interface_nr ?
Chances are that nv50_backlight_init() may run twice at the same time if 2
cards are being probed simultaneously. So I would make bl_interface_nr an
atomic_t and use:
int nr = atomic_inc_return(&bl_interface_nr) - 1;
to increment it and get the _NEW_ value. Since this gives you the new value,
you should substract 1 as is done above.
Regards,
Hans
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