[PATCH V2] ethernet: stmmac: support driver work for DTs without child queue node

[Andrew Lunn]

On Fri, Apr 29, 2022 at 08:46:05AM +0800, Jianqun Xu wrote:
> The driver use the value of property 'snps,rx-queues-to-use' to loop
> same numbers child nodes as queues, such as:
> 
>     gmac {
>         rx-queues-config {
>             snps,rx-queues-to-use = <1>;
>             queue0 {
>                 // nothing need here.
> 	    };
> 	};
>     };
> 
> Since a patch for dtc from rockchip will delete all node without any
> properties or child node, the queue0 node will be deleted, that caused
> the driver fail to probe:

Is this the in tree dtc? Do you have a commit hash for it? That should
probably be used as a Fixes: tag. Or that change to dtc needs
reverting because it breaks stuff.

	  Andrew