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net: wan: framer: 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>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240217100306.86740-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Krzysztof Kozlowski 2024-02-17 11:03:06 +01:00 committed by Jakub Kicinski
parent f4d3e595c0
commit 2f3bfa8e30
2 changed files with 12 additions and 11 deletions
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9
drivers/net/wan/framer/framer-core.c
View File

@ -384,7 +384,7 @@ static struct framer_provider *framer_provider_of_lookup(const struct device_nod
return ERR_PTR(-EPROBE_DEFER);
}
static struct framer *framer_of_get_from_provider(struct of_phandle_args *args)
static struct framer *framer_of_get_from_provider(const struct of_phandle_args *args)
{
struct framer_provider *framer_provider;
struct framer *framer;
@ -735,7 +735,8 @@ EXPORT_SYMBOL_GPL(devm_framer_create);
* should provide a custom of_xlate function that reads the *args* and returns
* the appropriate framer.
*/
struct framer *framer_provider_simple_of_xlate(struct device *dev, struct of_phandle_args *args)
struct framer *framer_provider_simple_of_xlate(struct device *dev,
const struct of_phandle_args *args)
{
struct class_dev_iter iter;
struct framer *framer;
@ -768,7 +769,7 @@ EXPORT_SYMBOL_GPL(framer_provider_simple_of_xlate);
struct framer_provider *
__framer_provider_of_register(struct device *dev, struct module *owner,
struct framer *(*of_xlate)(struct device *dev,
struct of_phandle_args *args))
const struct of_phandle_args *args))
{
struct framer_provider *framer_provider;
@ -830,7 +831,7 @@ static void devm_framer_provider_of_unregister(struct device *dev, void *res)
struct framer_provider *
__devm_framer_provider_of_register(struct device *dev, struct module *owner,
struct framer *(*of_xlate)(struct device *dev,
struct of_phandle_args *args))
const struct of_phandle_args *args))
{
struct framer_provider **ptr, *framer_provider;

14
include/linux/framer/framer-provider.h
View File

@ -93,7 +93,7 @@ struct framer_provider {
struct module *owner;
struct list_head list;
struct framer * (*of_xlate)(struct device *dev,
struct of_phandle_args *args);
const struct of_phandle_args *args);
};
static inline void framer_set_drvdata(struct framer *framer, void *data)
@ -118,19 +118,19 @@ struct framer *devm_framer_create(struct device *dev, struct device_node *node,
const struct framer_ops *ops);
struct framer *framer_provider_simple_of_xlate(struct device *dev,
struct of_phandle_args *args);
const struct of_phandle_args *args);
struct framer_provider *
__framer_provider_of_register(struct device *dev, struct module *owner,
struct framer *(*of_xlate)(struct device *dev,
struct of_phandle_args *args));
const struct of_phandle_args *args));
void framer_provider_of_unregister(struct framer_provider *framer_provider);
struct framer_provider *
__devm_framer_provider_of_register(struct device *dev, struct module *owner,
struct framer *(*of_xlate)(struct device *dev,
struct of_phandle_args *args));
const struct of_phandle_args *args));
void framer_notify_status_change(struct framer *framer);
@ -154,7 +154,7 @@ static inline struct framer *devm_framer_create(struct device *dev, struct devic
}
static inline struct framer *framer_provider_simple_of_xlate(struct device *dev,
struct of_phandle_args *args)
const struct of_phandle_args *args)
{
return ERR_PTR(-ENOSYS);
}
@ -162,7 +162,7 @@ static inline struct framer *framer_provider_simple_of_xlate(struct device *dev,
static inline struct framer_provider *
__framer_provider_of_register(struct device *dev, struct module *owner,
struct framer *(*of_xlate)(struct device *dev,
struct of_phandle_args *args))
const struct of_phandle_args *args))
{
return ERR_PTR(-ENOSYS);
}
@ -174,7 +174,7 @@ void framer_provider_of_unregister(struct framer_provider *framer_provider)
static inline struct framer_provider *
__devm_framer_provider_of_register(struct device *dev, struct module *owner,
struct framer *(*of_xlate)(struct device *dev,
struct of_phandle_args *args))
const struct of_phandle_args *args))
{
return ERR_PTR(-ENOSYS);
}