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gpiolib: Replace gpio_suffix_count with NULL-terminated array

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There is no need to have and export the count variable for the array
in question. Instead, make it NULL-terminated.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240819142945.327808-6-andriy.shevchenko@linux.intel.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
This commit is contained in:
Andy Shevchenko 2024-08-19 17:29:00 +03:00 committed by Bartosz Golaszewski
parent a975a64692
commit 4b91188dce
2 changed files with 6 additions and 8 deletions
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3
drivers/gpio/gpiolib.c
View File

@ -90,8 +90,7 @@ DEFINE_STATIC_SRCU(gpio_devices_srcu);
static DEFINE_MUTEX(gpio_machine_hogs_mutex);
static LIST_HEAD(gpio_machine_hogs);
const char *const gpio_suffixes[] = { "gpios", "gpio" };
const size_t gpio_suffix_count = ARRAY_SIZE(gpio_suffixes);
const char *const gpio_suffixes[] = { "gpios", "gpio", NULL };
static void gpiochip_free_hogs(struct gpio_chip *gc);
static int gpiochip_add_irqchip(struct gpio_chip *gc,

11
drivers/gpio/gpiolib.h
View File

@ -89,14 +89,13 @@ static inline struct gpio_device *to_gpio_device(struct device *dev)
return container_of(dev, struct gpio_device, dev);
}
/* gpio suffixes used for ACPI and device tree lookup */
/* GPIO suffixes used for ACPI and device tree lookup */
extern const char *const gpio_suffixes[];
extern const size_t gpio_suffix_count;
#define for_each_gpio_property_name(propname, con_id) \
for (unsigned int __i = 0; \
__i < gpio_suffix_count && ({ \
const char *__gs = gpio_suffixes[__i]; \
for (const char * const *__suffixes = gpio_suffixes; \
*__suffixes && ({ \
const char *__gs = *__suffixes; \
\
if (con_id) \
snprintf(propname, sizeof(propname), "%s-%s", con_id, __gs); \
@ -104,7 +103,7 @@ extern const size_t gpio_suffix_count;
snprintf(propname, sizeof(propname), "%s", __gs); \
1; \
}); \
__i++)
__suffixes++)
/**
* struct gpio_array - Opaque descriptor for a structure of GPIO array attributes