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authorJani Nikula <jani.nikula@intel.com>2024-06-19 11:38:31 +0300
committerJani Nikula <jani.nikula@intel.com>2024-06-19 11:38:31 +0300
commitd754ed2821fd9675d203cb73c4afcd593e28b7d0 (patch)
treecd16683cd956a7c334d7e1b3baf02e2e7baa729c /include/linux/gpio.h
parentdcaacff03a9fa2838f936e1009b4b7ad56807152 (diff)
parent1ddaaa244021aba8496536a6627b4ad2bc0f936a (diff)
Merge drm/drm-next into drm-intel-next
Sync to v6.10-rc3. Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'include/linux/gpio.h')
-rw-r--r--include/linux/gpio.h21
1 files changed, 6 insertions, 15 deletions
diff --git a/include/linux/gpio.h b/include/linux/gpio.h
index 7ecc25c543ce..56ac7e7a2889 100644
--- a/include/linux/gpio.h
+++ b/include/linux/gpio.h
@@ -74,6 +74,12 @@ static inline bool gpio_is_valid(int number)
* Until they are all fixed, leave 0-512 space for them.
*/
#define GPIO_DYNAMIC_BASE 512
+/*
+ * Define the maximum of the possible GPIO in the global numberspace.
+ * While the GPIO base and numbers are positive, we limit it with signed
+ * maximum as a lot of code is using negative values for special cases.
+ */
+#define GPIO_DYNAMIC_MAX INT_MAX
/* Always use the library code for GPIO management calls,
* or when sleeping may be involved.
@@ -114,8 +120,6 @@ static inline int gpio_to_irq(unsigned gpio)
}
int gpio_request_one(unsigned gpio, unsigned long flags, const char *label);
-int gpio_request_array(const struct gpio *array, size_t num);
-void gpio_free_array(const struct gpio *array, size_t num);
/* CONFIG_GPIOLIB: bindings for managed devices that want to request gpios */
@@ -146,11 +150,6 @@ static inline int gpio_request_one(unsigned gpio,
return -ENOSYS;
}
-static inline int gpio_request_array(const struct gpio *array, size_t num)
-{
- return -ENOSYS;
-}
-
static inline void gpio_free(unsigned gpio)
{
might_sleep();
@@ -159,14 +158,6 @@ static inline void gpio_free(unsigned gpio)
WARN_ON(1);
}
-static inline void gpio_free_array(const struct gpio *array, size_t num)
-{
- might_sleep();
-
- /* GPIO can never have been requested */
- WARN_ON(1);
-}
-
static inline int gpio_direction_input(unsigned gpio)
{
return -ENOSYS;