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SubjectRe: [PATCH] of/address: Don't throw errors on absent ranges properties
Date
On Fri, 14 Nov 2014 17:58:23 +1100
, Benjamin Herrenschmidt <benh@kernel.crashing.org>
wrote:
> The core always tries to translate any "reg" property to construct the platform
> device names. This results in a pile of "OF: no ranges; cannot translate" errors
> in dmesg whenever we expose things like i2c devices that cannot directly translate
> to the MMIO space.

I don't have a problem with the change, but it seems to be catching an
odd usage of of_device_make_bus_id(). Why is of_device_make_bus_id()
being called on i2c devices? Those shouldn't be modelled as
platform_devices.

g.

>
> Turn this into a pr_debug instead
>
> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
>
> diff --git a/drivers/of/address.c b/drivers/of/address.c
> index f0541fd..bf1f79d 100644
> --- a/drivers/of/address.c
> +++ b/drivers/of/address.c
> @@ -444,7 +444,7 @@ static int of_translate_one(struct device_node *parent, struct of_bus *bus,
> */
> ranges = of_get_property(parent, rprop, &rlen);
> if (ranges == NULL && !of_empty_ranges_quirk()) {
> - pr_err("OF: no ranges; cannot translate\n");
> + pr_debug("OF: no ranges; cannot translate\n");
> return 1;
> }
> if (ranges == NULL || rlen == 0) {
>
>



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