On Thu, 7 May 2020 at 21:11, Paul Kocialkowski
<paul.kocialkowski@xxxxxxxxxxx> wrote:
>
> Hi Emil,
>
> Thanks for the review!
>
> On Mon 04 May 20, 14:28, Emil Velikov wrote:
> > Just had a casual quick look for custom KMS properties, since new
> > drivers made that mistake in the past.
> > Thanks for not including any o/
>
> Yeah I made sure not to include any, I know it easily gets very problematic and
> creates disparity between drivers while needing to be kept alive even when a
> standard way arises due to the no API breakage policy.
>
> The not-for-merge patch that I've sent does introduce some for the colorkey,
> and that's why they are marked as such :)
>
> > I made a couple of trivial suggestions - if you agree, feel free to
> > keep them as follow-up patches.
> >
> > On Thu, 30 Apr 2020 at 20:28, Paul Kocialkowski
> > <paul.kocialkowski@xxxxxxxxxxx> wrote:
> >
> > > +int logicvc_of_property_parse_u32(struct device_node *of_node,
> > > + const char *name, u32 *target)
> > > +{
> > > + struct logicvc_of_property *property;
> > > + const char *string;
> > > + u32 value;
> > > + int ret;
> > > +
> > > + property = logicvc_of_property_lookup(name);
> > > + if (!property)
> > > + return -EINVAL;
> > > +
> > One could have the logicvc_of_properties[] entries indexed with the
> > logicvc_of_property_parse_{u32,bool} caller, using that instead of the
> > name string.
>
> Do I understand correctly that you're suggesting passing each entry's
> struct logicvc_of_property pointer to the function?
>
> I went for strings to make the code explicit and easy to read so I'd really
> like to keep it that way and avoid passing things like
> &logicvc_of_properties[4] or an index integer.
>
Add a some #define/enum and go to town. Example with sub-optimal names below:
enum foobar {
LVC_OF_DISP_INTF,
LVC_OF_DISP_CLRSPC,
...
};
static struct logicvc_of_property logicvc_of_properties[] = {
[LVC_OF_DISP_INTF] = {
.name = "xylon,display-interface",
...
},
[LVC_OF_DISP_CLRSPC] = {
.name = "xylon,display-colorspace",
...
},
...
}
While the callers are:
ret = logicvc_of_property_parse_u32(of_node, LVC_OF_DISP_INTF,
&config->display_colorspace);
ret = logicvc_of_property_parse_u32(of_node, LVC_OF_DISP_CLRSPC,
&config->display_depth);
-Emil
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