Re: Re: [net-next v7 5/8] net: wwan: add NMEA port support

From: Simon Horman

Date: Wed Jan 21 2026 - 11:53:56 EST


On Wed, Jan 21, 2026 at 03:16:33PM +0100, Loic Poulain wrote:
> On Wed, Jan 21, 2026 at 3:09 AM Slark Xiao <slark_xiao@xxxxxxx> wrote:
> >
> >
> >
> > At 2026-01-20 20:30:37, "Simon Horman" <horms@xxxxxxxxxx> wrote:
> > >On Thu, Jan 15, 2026 at 07:46:22PM +0800, Slark Xiao wrote:
> > >
> > >...
> > >
> > >> diff --git a/drivers/net/wwan/wwan_core.c b/drivers/net/wwan/wwan_core.c
> > >
> > >...
> > >
> > >> +#else
> > >> +static inline int wwan_port_register_gnss(struct wwan_port *port)
> > >> +{
> > >> + return -EOPNOTSUPP;
> > >> +}
> > >> +
> > >> +static inline void wwan_port_unregister_gnss(struct wwan_port *port)
> > >> +{
> > >> + WARN_ON(1); /* This handler cannot be called */
> > >> +}
> > >
> > >Please don't use the inline keyword in .c files unless there is a
> > >demonstrable - usually performance - reason to do so. Rather, let the
> > >compiler inline code as it sees fit.
> > >
> > >Using the inline keyword in .h is of course fine.
> > >
> > I think this shall be a mistake.
> > For a GNSS device, these 2 API shall not be called frequently.
> > So there is no necessary to add "inline" to improve performance.
>
> Indeed, it's fine to remove that explicit inlines here.

Thanks!