Re: [PATCH 19/26] intel_pstate: constify local structures

From: Rafael J. Wysocki
Date: Tue Sep 13 2016 - 20:53:03 EST


On Monday, September 12, 2016 12:12:30 PM Viresh Kumar wrote:
> On 11-09-16, 15:06, Julia Lawall wrote:
> > For structure types defined in the same file or local header files, find
> > top-level static structure declarations that have the following
> > properties:
> > 1. Never reassigned.
> > 2. Address never taken
> > 3. Not passed to a top-level macro call
> > 4. No pointer or array-typed field passed to a function or stored in a
> > variable.
> > Declare structures having all of these properties as const.
> >
> > Done using Coccinelle.
> > Based on a suggestion by Joe Perches <joe@xxxxxxxxxxx>.
> >
> > Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx>
> >
> > ---
> > The semantic patch seems too long for a commit log, but is in the cover
> > letter.
> >
> > drivers/cpufreq/intel_pstate.c | 8 ++++----
> > 1 file changed, 4 insertions(+), 4 deletions(-)
> >
> > diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
> > index bdbe936..4b5f8c3 100644
> > --- a/drivers/cpufreq/intel_pstate.c
> > +++ b/drivers/cpufreq/intel_pstate.c
> > @@ -1029,7 +1029,7 @@ static struct cpu_defaults core_params = {
> > },
> > };
> >
> > -static struct cpu_defaults silvermont_params = {
> > +static const struct cpu_defaults silvermont_params = {
> > .pid_policy = {
> > .sample_rate_ms = 10,
> > .deadband = 0,
> > @@ -1050,7 +1050,7 @@ static struct cpu_defaults silvermont_params = {
> > },
> > };
> >
> > -static struct cpu_defaults airmont_params = {
> > +static const struct cpu_defaults airmont_params = {
> > .pid_policy = {
> > .sample_rate_ms = 10,
> > .deadband = 0,
> > @@ -1071,7 +1071,7 @@ static struct cpu_defaults airmont_params = {
> > },
> > };
> >
> > -static struct cpu_defaults knl_params = {
> > +static const struct cpu_defaults knl_params = {
> > .pid_policy = {
> > .sample_rate_ms = 10,
> > .deadband = 0,
> > @@ -1091,7 +1091,7 @@ static struct cpu_defaults knl_params = {
> > },
> > };
> >
> > -static struct cpu_defaults bxt_params = {
> > +static const struct cpu_defaults bxt_params = {
> > .pid_policy = {
> > .sample_rate_ms = 10,
> > .deadband = 0,
>
> Acked-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>

Applied.

Thanks,
Rafael