Re: [PATCH net-next 2/3] eth: fbnic: hwmon: Add support for reading temperature and voltage sensors

From: Jakub Kicinski
Date: Mon Jan 13 2025 - 23:01:05 EST


On Tue, 14 Jan 2025 02:19:08 +0100 Andrew Lunn wrote:
> > @@ -50,6 +50,10 @@ struct fbnic_fw_completion {
> > struct kref ref_count;
> > int result;
> > union {
> > + struct {
> > + s32 millivolts;
> > + s32 millidegrees;
> > + } tsene;
> > } u;
> > };
>
> Why have a union which only has one member?

One member per command, the commit msg on patch 1 mentions:

The data from the various response types will be added to
the "union u" by subsequent commits.

More commands are on the way. It's a coin toss whether it's better to
add the union later or have to re-indent already added structs.