Am 29.07.2013 11:05, schrieb Linus Walleij:
On Mon, Jul 29, 2013 at 7:24 AM, Alexander Holler <holler@xxxxxxxxxxxxx> wrote:
Maybe it might be worth to suggest using/returning NO_IRQ in (new) patches
instead of zero. That would make it very clear that the value 0 isn't to be
used later.
Using NO_IRQ is also discouraged, and this is because we should
use the if (!irq) design pattern and not if (irq == NO_IRQ).
So the article on lkml is already outdated. After reading the article, I
had the impression that using NO_IRQ (at least for return codes) is
encouraged.
Regards,
Alexander Holler
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