On 25/02/2025 15:59, Andy Shevchenko wrote:

On Tue, Feb 25, 2025 at 03:29:17PM +0200, Matti Vaittinen wrote:

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On 25/02/2025 12:39, Andy Shevchenko wrote:

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On Tue, Feb 25, 2025 at 12:29:31PM +0200, Matti Vaittinen wrote:

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On 25/02/2025 12:21, Andy Shevchenko wrote:

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On Tue, Feb 25, 2025 at 11:40:16AM +0200, Heikki Krogerus wrote:

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I did not check how many users are you proposing for this, but if
there's only one, then IMO this should not be a global function yet.
It just feels to special case to me. But let's see what the others
think.

The problem is that if somebody hides it, we might potentially see
a duplication in the future. So I _slightly_ prefer to publish and
then drop that after a few cycles if no users appear.

After taking a very quick grep I spotted one other existing place where we
might be able to do direct conversion to use this function.

drivers/net/ethernet/freescale/gianfar.c

That'd be 2 users.

I haven't checked myself, I believe your judgement,

I took a better look and you obviously shouldn't believe :) The gianfar used
of_node instead of the fwnode. So, it'd be a single caller at starters.

...which is the same as dev_of_node(), which means that you can use your
function there.

I'm unsure what you mean. The proposed function 
device_get_child_node_count_named() takes device pointer. I don't see 
how dev_of_node() helps converting node to device?

I think I could actually kill the whole gfar_of_group_count() function 
and replace it with a direct call to the 
device_get_child_node_count_named() - but I am not at all convinced 
that'd be worth including the property.h to a file which is currently 
using only of_* -stuff. Well, I suppose it can be asked from netdev 
peeps but I am not convinced they see it as a great idea.

If I misunderstood your meaning - please elaborate.

Yours,
	-- Matti