[PATCH v5 1/7] of: Make of_graph_get_port_by_id take a const device_node

Laurent Pinchart laurent.pinchart at ideasonboard.com
Thu Oct 21 21:47:19 PDT 2021


Hi Maxime,

On Thu, Oct 21, 2021 at 09:48:43AM +0200, Maxime Ripard wrote:
> On Tue, Oct 19, 2021 at 03:02:13PM +0300, Laurent Pinchart wrote:
> > On Wed, Sep 29, 2021 at 10:42:28AM +0200, Maxime Ripard wrote:
> > > of_graph_get_port_by_id doesn't modify the device_node pointer it takes
> > > as argument, so we can make it const.
> > 
> > From a C point of view that's right, but conceptually speaking, is it
> > right to return a non-const child port node of a const device_node ?
> 
> I mean, I guess not, but you're the one that asked for it:
> https://lore.kernel.org/dri-devel/YBAiztjg0Jji9voK@pendragon.ideasonboard.com/

Oops. Looks like I must be wrong with at least one of the two comments.
Please pick the option you like best.

> I can change it if you want, but certainly not if the only comment I get
> on this series for the next year is going to be over whether or not
> arguments of functions unrelated to the main intent should be constified
> or not.

DRM/KMS seems to suffer from a deficit of reviewers in all non-desktop
areas :-(

-- 
Regards,

Laurent Pinchart



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