Re: [PATCH] of: acpi: Rename of_node() and acpi_node() to to_of_node() and to_acpi_node()

From: Rafael J. Wysocki
Date: Mon Jun 22 2015 - 19:19:08 EST


On Monday, June 22, 2015 10:38:53 PM Alexander Sverdlin wrote:
> Commit 8a0662d9 introduced of_node and acpi_node symbols in global namespace
> but there were already ~63 of_node local variables or function parameters
> (no single acpi_node though, but anyway).
>
> After debugging undefined but used of_node local varible (which turned out
> to reference static function of_node() instead) it became clear that the names
> for the functions are too short and too generic for global scope.
>
> Signed-off-by: Alexander Sverdlin <alexander.sverdlin@xxxxxxxxx>

Putting the whole world into the To: field of your messages is not a good idea
in general.

I'm fine with this change, personally.

Does anyone in the CC list have any objections?


> ---
>
> Compile-tested on x86_64 with ACPI and ARM with OF.
>
> drivers/base/property.c | 26 +++++++++++++-------------
> drivers/gpio/gpiolib.c | 4 ++--
> drivers/leds/leds-gpio.c | 2 +-
> include/acpi/acpi_bus.h | 2 +-
> include/linux/acpi.h | 4 ++--
> include/linux/of.h | 4 ++--
> 6 files changed, 21 insertions(+), 21 deletions(-)
>
> diff --git a/drivers/base/property.c b/drivers/base/property.c
> index 1d0b116..dfd4de6 100644
> --- a/drivers/base/property.c
> +++ b/drivers/base/property.c
> @@ -128,9 +128,9 @@ EXPORT_SYMBOL_GPL(device_property_present);
> bool fwnode_property_present(struct fwnode_handle *fwnode, const char *propname)
> {
> if (is_of_node(fwnode))
> - return of_property_read_bool(of_node(fwnode), propname);
> + return of_property_read_bool(to_of_node(fwnode), propname);
> else if (is_acpi_node(fwnode))
> - return !acpi_dev_prop_get(acpi_node(fwnode), propname, NULL);
> + return !acpi_dev_prop_get(to_acpi_node(fwnode), propname, NULL);
>
> return !!pset_prop_get(to_pset(fwnode), propname);
> }
> @@ -285,10 +285,10 @@ EXPORT_SYMBOL_GPL(device_property_read_string);
> ({ \
> int _ret_; \
> if (is_of_node(_fwnode_)) \
> - _ret_ = OF_DEV_PROP_READ_ARRAY(of_node(_fwnode_), _propname_, \
> + _ret_ = OF_DEV_PROP_READ_ARRAY(to_of_node(_fwnode_), _propname_, \
> _type_, _val_, _nval_); \
> else if (is_acpi_node(_fwnode_)) \
> - _ret_ = acpi_dev_prop_read(acpi_node(_fwnode_), _propname_, \
> + _ret_ = acpi_dev_prop_read(to_acpi_node(_fwnode_), _propname_, \
> _proptype_, _val_, _nval_); \
> else \
> _ret_ = pset_prop_read_array(to_pset(_fwnode_), _propname_, \
> @@ -424,11 +424,11 @@ int fwnode_property_read_string_array(struct fwnode_handle *fwnode,
> {
> if (is_of_node(fwnode))
> return val ?
> - of_property_read_string_array(of_node(fwnode), propname,
> - val, nval) :
> - of_property_count_strings(of_node(fwnode), propname);
> + of_property_read_string_array(to_of_node(fwnode),
> + propname, val, nval) :
> + of_property_count_strings(to_of_node(fwnode), propname);
> else if (is_acpi_node(fwnode))
> - return acpi_dev_prop_read(acpi_node(fwnode), propname,
> + return acpi_dev_prop_read(to_acpi_node(fwnode), propname,
> DEV_PROP_STRING, val, nval);
>
> return pset_prop_read_array(to_pset(fwnode), propname,
> @@ -455,9 +455,9 @@ int fwnode_property_read_string(struct fwnode_handle *fwnode,
> const char *propname, const char **val)
> {
> if (is_of_node(fwnode))
> - return of_property_read_string(of_node(fwnode), propname, val);
> + return of_property_read_string(to_of_node(fwnode), propname, val);
> else if (is_acpi_node(fwnode))
> - return acpi_dev_prop_read(acpi_node(fwnode), propname,
> + return acpi_dev_prop_read(to_acpi_node(fwnode), propname,
> DEV_PROP_STRING, val, 1);
>
> return -ENXIO;
> @@ -475,13 +475,13 @@ struct fwnode_handle *device_get_next_child_node(struct device *dev,
> if (IS_ENABLED(CONFIG_OF) && dev->of_node) {
> struct device_node *node;
>
> - node = of_get_next_available_child(dev->of_node, of_node(child));
> + node = of_get_next_available_child(dev->of_node, to_of_node(child));
> if (node)
> return &node->fwnode;
> } else if (IS_ENABLED(CONFIG_ACPI)) {
> struct acpi_device *node;
>
> - node = acpi_get_next_child(dev, acpi_node(child));
> + node = acpi_get_next_child(dev, to_acpi_node(child));
> if (node)
> return acpi_fwnode_handle(node);
> }
> @@ -500,7 +500,7 @@ EXPORT_SYMBOL_GPL(device_get_next_child_node);
> void fwnode_handle_put(struct fwnode_handle *fwnode)
> {
> if (is_of_node(fwnode))
> - of_node_put(of_node(fwnode));
> + of_node_put(to_of_node(fwnode));
> }
> EXPORT_SYMBOL_GPL(fwnode_handle_put);
>
> diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
> index 6bc612b..5d8b2b3 100644
> --- a/drivers/gpio/gpiolib.c
> +++ b/drivers/gpio/gpiolib.c
> @@ -2040,14 +2040,14 @@ struct gpio_desc *fwnode_get_named_gpiod(struct fwnode_handle *fwnode,
> if (is_of_node(fwnode)) {
> enum of_gpio_flags flags;
>
> - desc = of_get_named_gpiod_flags(of_node(fwnode), propname, 0,
> + desc = of_get_named_gpiod_flags(to_of_node(fwnode), propname, 0,
> &flags);
> if (!IS_ERR(desc))
> active_low = flags & OF_GPIO_ACTIVE_LOW;
> } else if (is_acpi_node(fwnode)) {
> struct acpi_gpio_info info;
>
> - desc = acpi_get_gpiod_by_index(acpi_node(fwnode), propname, 0,
> + desc = acpi_get_gpiod_by_index(to_acpi_node(fwnode), propname, 0,
> &info);
> if (!IS_ERR(desc))
> active_low = info.active_low;
> diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c
> index 15eb3f8..d2d54d6 100644
> --- a/drivers/leds/leds-gpio.c
> +++ b/drivers/leds/leds-gpio.c
> @@ -191,7 +191,7 @@ static struct gpio_leds_priv *gpio_leds_create(struct platform_device *pdev)
> goto err;
> }
>
> - np = of_node(child);
> + np = to_of_node(child);
>
> if (fwnode_property_present(child, "label")) {
> fwnode_property_read_string(child, "label", &led.name);
> diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
> index 8de4fa9..1224be8 100644
> --- a/include/acpi/acpi_bus.h
> +++ b/include/acpi/acpi_bus.h
> @@ -385,7 +385,7 @@ static inline bool is_acpi_node(struct fwnode_handle *fwnode)
> return fwnode && fwnode->type == FWNODE_ACPI;
> }
>
> -static inline struct acpi_device *acpi_node(struct fwnode_handle *fwnode)
> +static inline struct acpi_device *to_acpi_node(struct fwnode_handle *fwnode)
> {
> return is_acpi_node(fwnode) ?
> container_of(fwnode, struct acpi_device, fwnode) : NULL;
> diff --git a/include/linux/acpi.h b/include/linux/acpi.h
> index e4da5e3..ec3c98e 100644
> --- a/include/linux/acpi.h
> +++ b/include/linux/acpi.h
> @@ -53,7 +53,7 @@ static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
> return adev ? adev->handle : NULL;
> }
>
> -#define ACPI_COMPANION(dev) acpi_node((dev)->fwnode)
> +#define ACPI_COMPANION(dev) to_acpi_node((dev)->fwnode)
> #define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \
> acpi_fwnode_handle(adev) : NULL)
> #define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev))
> @@ -473,7 +473,7 @@ static inline bool is_acpi_node(struct fwnode_handle *fwnode)
> return false;
> }
>
> -static inline struct acpi_device *acpi_node(struct fwnode_handle *fwnode)
> +static inline struct acpi_device *to_acpi_node(struct fwnode_handle *fwnode)
> {
> return NULL;
> }
> diff --git a/include/linux/of.h b/include/linux/of.h
> index b871ff9..f05fdce 100644
> --- a/include/linux/of.h
> +++ b/include/linux/of.h
> @@ -128,7 +128,7 @@ static inline bool is_of_node(struct fwnode_handle *fwnode)
> return fwnode && fwnode->type == FWNODE_OF;
> }
>
> -static inline struct device_node *of_node(struct fwnode_handle *fwnode)
> +static inline struct device_node *to_of_node(struct fwnode_handle *fwnode)
> {
> return fwnode ? container_of(fwnode, struct device_node, fwnode) : NULL;
> }
> @@ -387,7 +387,7 @@ static inline bool is_of_node(struct fwnode_handle *fwnode)
> return false;
> }
>
> -static inline struct device_node *of_node(struct fwnode_handle *fwnode)
> +static inline struct device_node *to_of_node(struct fwnode_handle *fwnode)
> {
> return NULL;
> }
> --

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