[PATCH 2/6] mailbox/omap: add support for parsing dt devices

Pavel Machek pavel at ucw.cz
Sat Jun 28 10:07:09 PDT 2014


Hi!

> The non-DT support has to be maintained for now to not break
> OMAP3 legacy boot, and the legacy-style code will be cleaned
> up once OMAP3 is also converted to DT-boot only.

> @@ -587,24 +606,157 @@ static int omap_mbox_unregister(struct omap_mbox_device *mdev)
>  	return 0;
>  }
>  
> +static const struct omap_mbox_device_data omap2_data = {
> +	.num_users	= 4,
> +	.num_fifos	= 6,
> +	.intr_type	= MBOX_INTR_CFG_TYPE1,
> +};
> +
> +static const struct omap_mbox_device_data omap3_data = {
> +	.num_users	= 2,
> +	.num_fifos	= 2,
> +	.intr_type	= MBOX_INTR_CFG_TYPE1,
> +};
> +
> +static const struct omap_mbox_device_data am335x_data = {
> +	.num_users	= 4,
> +	.num_fifos	= 8,
> +	.intr_type	= MBOX_INTR_CFG_TYPE2,
> +};

So you use compatible strings to look up 3 integers. Would it be better to have
num_users/num_fifos/intr_type directly in the device tree? That should be cleaner
and more flexible...

If you do that, would it be possible to have share compatible string?

									Pavel

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html



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