Re: [PATCH v3] iio: sx9324: avoid copying property strings

From: Joe Perches
Date: Sun Dec 17 2023 - 08:41:40 EST


On Sun, 2023-12-17 at 13:24 +0000, Jonathan Cameron wrote:
> On Mon, 11 Dec 2023 22:30:12 -0800
> Joe Perches <joe@xxxxxxxxxxx> wrote:
>
> > On Tue, 2023-12-12 at 00:42 +0000, Justin Stitt wrote:
> > > We're doing some needless string copies when trying to assign the proper
> > > `prop` string. We can make `prop` a const char* and simply assign to
> > > string literals.
> >
> > trivia:
> >
> > I would have updated it like this moving the
> > various declarations into the case blocks
> > where they are used and removing a few unused
> > #defines
>
> I'd definitely like to see those defines gone.
> Arguably an unrelated change as I guess they are left from a previous refactor
> of this code.
>
> Why prop to type renaming?

random, no specific need, though I prefer not reusing
identifiers with different types in separate local scopes.

> It's getting passed into calls where the parameter
> is propname so I'd understand renaming to that, but type just seems a bit random
> to me. I do wonder if we are better off having some long lines and getting rid
> of the property naming local variables completely by just duplicating
> the device_property_read_u32() call and passing them in directly.

maybe, give it a try and see what you think.