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pmdomain: core: constify of_phandle_args in xlate

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The xlate callbacks are supposed to translate of_phandle_args to proper
provider without modifying the of_phandle_args.  Make the argument
pointer to const for code safety and readability.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240208202822.631449-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Krzysztof Kozlowski 2024-02-08 21:28:21 +01:00 committed by Ulf Hansson
parent 693c301a3a
commit 4d0824608a
6 changed files with 7 additions and 7 deletions
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4
drivers/pmdomain/core.c
View File

@ -2266,7 +2266,7 @@ static DEFINE_MUTEX(of_genpd_mutex);
* to be a valid pointer to struct generic_pm_domain.
*/
static struct generic_pm_domain *genpd_xlate_simple(
struct of_phandle_args *genpdspec,
const struct of_phandle_args *genpdspec,
void *data)
{
return data;
@ -2283,7 +2283,7 @@ static struct generic_pm_domain *genpd_xlate_simple(
* the genpd_onecell_data struct when registering the provider.
*/
static struct generic_pm_domain *genpd_xlate_onecell(
struct of_phandle_args *genpdspec,
const struct of_phandle_args *genpdspec,
void *data)
{
struct genpd_onecell_data *genpd_data = data;

2
drivers/pmdomain/imx/scu-pd.c
View File

@ -393,7 +393,7 @@ static int imx_sc_pd_power_off(struct generic_pm_domain *domain)
return imx_sc_pd_power(domain, false);
}
static struct generic_pm_domain *imx_scu_pd_xlate(struct of_phandle_args *spec,
static struct generic_pm_domain *imx_scu_pd_xlate(const struct of_phandle_args *spec,
void *data)
{
struct generic_pm_domain *domain = ERR_PTR(-ENOENT);

2
drivers/pmdomain/tegra/powergate-bpmp.c
View File

@ -305,7 +305,7 @@ static void tegra_bpmp_remove_powergates(struct tegra_bpmp *bpmp)
}
static struct generic_pm_domain *
tegra_powergate_xlate(struct of_phandle_args *spec, void *data)
tegra_powergate_xlate(const struct of_phandle_args *spec, void *data)
{
struct generic_pm_domain *domain = ERR_PTR(-ENOENT);
struct genpd_onecell_data *genpd = data;

2
drivers/pmdomain/ti/ti_sci_pm_domains.c
View File

@ -85,7 +85,7 @@ static int ti_sci_pd_power_on(struct generic_pm_domain *domain)
* @data: genpd core data for all the powerdomains on the device
*/
static struct generic_pm_domain *ti_sci_pd_xlate(
struct of_phandle_args *genpdspec,
const struct of_phandle_args *genpdspec,
void *data)
{
struct genpd_onecell_data *genpd_data = data;

2
drivers/pmdomain/xilinx/zynqmp-pm-domains.c
View File

@ -210,7 +210,7 @@ static void zynqmp_gpd_detach_dev(struct generic_pm_domain *domain,
}
static struct generic_pm_domain *zynqmp_gpd_xlate
(struct of_phandle_args *genpdspec, void *data)
(const struct of_phandle_args *genpdspec, void *data)
{
struct genpd_onecell_data *genpd_data = data;
unsigned int i, idx = genpdspec->args[0];

2
include/linux/pm_domain.h
View File

@ -349,7 +349,7 @@ static inline void dev_pm_genpd_resume(struct device *dev) {}
/* OF PM domain providers */
struct of_device_id;
typedef struct generic_pm_domain *(*genpd_xlate_t)(struct of_phandle_args *args,
typedef struct generic_pm_domain *(*genpd_xlate_t)(const struct of_phandle_args *args,
void *data);
struct genpd_onecell_data {