[PATCH v5 2/3] mailbox: add Samsung Exynos driver

[Jassi Brar]

On Tue, Dec 17, 2024 at 3:40 AM Tudor Ambarus <tudor.ambarus at linaro.org> wrote:
....
> +
> +static int exynos_mbox_chan_index(struct mbox_chan *chan)
> +{
> +       struct mbox_controller *mbox = chan->mbox;
> +       int i;
> +
> +       for (i = 0; i < mbox->num_chans; i++)
> +               if (chan == &mbox->chans[i])
> +                       return i;
> +       return -EINVAL;
> +}
>
Maybe simply return (chan - mbox->chans) ?

Cheers!