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([178.197.222.62]) by smtp.gmail.com with ESMTPSA id r16-20020adfce90000000b0033b47ee01f1sm114643wrn.49.2024.02.08.12.28.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 08 Feb 2024 12:28:28 -0800 (PST) From: Krzysztof Kozlowski To: Ulf Hansson , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Thierry Reding , Jonathan Hunter , Nishanth Menon , Tero Kristo , Santosh Shilimkar , Michal Simek , "Rafael J. Wysocki" , linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-tegra@vger.kernel.org Cc: Krzysztof Kozlowski Subject: [PATCH 2/2] pmdomain: constify of_phandle_args in add device and subdomain Date: Thu, 8 Feb 2024 21:28:22 +0100 Message-Id: <20240208202822.631449-2-krzysztof.kozlowski@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240208202822.631449-1-krzysztof.kozlowski@linaro.org> References: <20240208202822.631449-1-krzysztof.kozlowski@linaro.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1790364494069134181 X-GMAIL-MSGID: 1790364494069134181 Pointer to of_phandle_args is not modified by of_genpd_add_device() and of_genpd_add_subdomain(), so it can be made pointer to const for code safety and readability. Signed-off-by: Krzysztof Kozlowski --- drivers/pmdomain/core.c | 12 ++++++------ include/linux/pm_domain.h | 20 ++++++++++---------- 2 files changed, 16 insertions(+), 16 deletions(-) diff --git a/drivers/pmdomain/core.c b/drivers/pmdomain/core.c index ea4b29475206..4215ffd9b11c 100644 --- a/drivers/pmdomain/core.c +++ b/drivers/pmdomain/core.c @@ -2526,7 +2526,7 @@ EXPORT_SYMBOL_GPL(of_genpd_del_provider); * on failure. */ static struct generic_pm_domain *genpd_get_from_provider( - struct of_phandle_args *genpdspec) + const struct of_phandle_args *genpdspec) { struct generic_pm_domain *genpd = ERR_PTR(-ENOENT); struct of_genpd_provider *provider; @@ -2557,7 +2557,7 @@ static struct generic_pm_domain *genpd_get_from_provider( * Looks-up an I/O PM domain based upon phandle args provided and adds * the device to the PM domain. Returns a negative error code on failure. */ -int of_genpd_add_device(struct of_phandle_args *genpdspec, struct device *dev) +int of_genpd_add_device(const struct of_phandle_args *genpdspec, struct device *dev) { struct generic_pm_domain *genpd; int ret; @@ -2591,8 +2591,8 @@ EXPORT_SYMBOL_GPL(of_genpd_add_device); * provided and adds the subdomain to the parent PM domain. Returns a * negative error code on failure. */ -int of_genpd_add_subdomain(struct of_phandle_args *parent_spec, - struct of_phandle_args *subdomain_spec) +int of_genpd_add_subdomain(const struct of_phandle_args *parent_spec, + const struct of_phandle_args *subdomain_spec) { struct generic_pm_domain *parent, *subdomain; int ret; @@ -2629,8 +2629,8 @@ EXPORT_SYMBOL_GPL(of_genpd_add_subdomain); * provided and removes the subdomain from the parent PM domain. Returns a * negative error code on failure. */ -int of_genpd_remove_subdomain(struct of_phandle_args *parent_spec, - struct of_phandle_args *subdomain_spec) +int of_genpd_remove_subdomain(const struct of_phandle_args *parent_spec, + const struct of_phandle_args *subdomain_spec) { struct generic_pm_domain *parent, *subdomain; int ret; diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h index 1a391ef1b6f8..772d3280d35f 100644 --- a/include/linux/pm_domain.h +++ b/include/linux/pm_domain.h @@ -364,11 +364,11 @@ int of_genpd_add_provider_simple(struct device_node *np, int of_genpd_add_provider_onecell(struct device_node *np, struct genpd_onecell_data *data); void of_genpd_del_provider(struct device_node *np); -int of_genpd_add_device(struct of_phandle_args *args, struct device *dev); -int of_genpd_add_subdomain(struct of_phandle_args *parent_spec, - struct of_phandle_args *subdomain_spec); -int of_genpd_remove_subdomain(struct of_phandle_args *parent_spec, - struct of_phandle_args *subdomain_spec); +int of_genpd_add_device(const struct of_phandle_args *args, struct device *dev); +int of_genpd_add_subdomain(const struct of_phandle_args *parent_spec, + const struct of_phandle_args *subdomain_spec); +int of_genpd_remove_subdomain(const struct of_phandle_args *parent_spec, + const struct of_phandle_args *subdomain_spec); struct generic_pm_domain *of_genpd_remove_last(struct device_node *np); int of_genpd_parse_idle_states(struct device_node *dn, struct genpd_power_state **states, int *n); @@ -393,20 +393,20 @@ static inline int of_genpd_add_provider_onecell(struct device_node *np, static inline void of_genpd_del_provider(struct device_node *np) {} -static inline int of_genpd_add_device(struct of_phandle_args *args, +static inline int of_genpd_add_device(const struct of_phandle_args *args, struct device *dev) { return -ENODEV; } -static inline int of_genpd_add_subdomain(struct of_phandle_args *parent_spec, - struct of_phandle_args *subdomain_spec) +static inline int of_genpd_add_subdomain(const struct of_phandle_args *parent_spec, + const struct of_phandle_args *subdomain_spec) { return -ENODEV; } -static inline int of_genpd_remove_subdomain(struct of_phandle_args *parent_spec, - struct of_phandle_args *subdomain_spec) +static inline int of_genpd_remove_subdomain(const struct of_phandle_args *parent_spec, + const struct of_phandle_args *subdomain_spec) { return -ENODEV; }