Re: [PATCH v3 1/3] PM: core: Rename module parameters prefix to "power"

[Tzung-Bi Shih <tzungbi@kernel.org>]

On Mon, Jun 08, 2026 at 04:11:30PM +0200, Rafael J. Wysocki wrote:
> On Mon, Jun 8, 2026 at 4:16 AM Tzung-Bi Shih <tzungbi@kernel.org> wrote:
> >
> > Currently, the module parameters defined in drivers/base/power/main.c
> > use the default prefix "main" (derived from the filename).  The prefix
> > "main" is too generic and non-descriptive for power management
> > parameters.
> >
> > Redefine MODULE_PARAM_PREFIX to "power." at the beginning of the file
> > to group the module parameters under the "power" namespace instead.
> > This makes the parameters more descriptive.
> >
> > Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
> > ---
> > v3:
> > - No changes.
> >
> > v2: https://lore.kernel.org/all/20260604090756.2884671-2-tzungbi@kernel.org
> > - New to the series.
> >
> > v1: Doesn't exist.
> >
> >  drivers/base/power/main.c | 3 +++
> >  1 file changed, 3 insertions(+)
> >
> > diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
> > index ed48c292f575..cd864f3a2799 100644
> > --- a/drivers/base/power/main.c
> > +++ b/drivers/base/power/main.c
> > @@ -40,6 +40,9 @@
> >  #include "../base.h"
> >  #include "power.h"
> >
> > +#undef MODULE_PARAM_PREFIX
> > +#define MODULE_PARAM_PREFIX "power."
> 
> "power" may be confused with the power supply support, so I'd rather
> use "pm" or even "pm_sleep" (in which case the "dpm_" prefix could be
> dropped from the new module param name in the next patch).

Ack, will use "pm_sleep" in the next version.

Regarding dropping the "dpm_" prefix, should this also apply to the existing
dpm_watchdog_all_cpu_backtrace parameter?  Or should we leave it as-is to
avoid breaking existing configurations?