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

From: Viresh Kumar
Date: Mon Sep 12 2016 - 02:43:01 EST


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>

--
viresh