@@ -274,6 +274,9 @@ struct gpio_v2_line_event {
/*
* ABI v1
+ *
+ * This version of the ABI is deprecated and will be removed in the future.
+ * Use the latest version of the ABI, defined above, instead.
*/
/* Informational flags */
@@ -297,6 +300,9 @@ struct gpio_v2_line_event {
* @consumer: a functional name for the consumer of this GPIO line as set by
* whatever is using it, will be empty if there is no current user but may
* also be empty if the consumer doesn't set this up
+ *
+ * This struct is part of ABI v1 and is deprecated.
+ * Use struct gpio_v2_line_info instead.
*/
struct gpioline_info {
__u32 line_offset;
@@ -328,6 +334,9 @@ enum {
* guarantee there are no implicit holes between it and subsequent members.
* The 20-byte padding at the end makes sure we don't add any implicit padding
* at the end of the structure on 64-bit architectures.
+ *
+ * This struct is part of ABI v1 and is deprecated.
+ * Use struct gpio_v2_line_info_changed instead.
*/
struct gpioline_info_changed {
struct gpioline_info info;
@@ -367,6 +376,9 @@ struct gpioline_info_changed {
* @fd: if successful this field will contain a valid anonymous file handle
* after a GPIO_GET_LINEHANDLE_IOCTL operation, zero or negative value
* means error
+ *
+ * This struct is part of ABI v1 and is deprecated.
+ * Use struct gpio_v2_line_request instead.
*/
struct gpiohandle_request {
__u32 lineoffsets[GPIOHANDLES_MAX];
@@ -386,6 +398,9 @@ struct gpiohandle_request {
* this specifies the default output value, should be 0 (low) or
* 1 (high), anything else than 0 or 1 will be interpreted as 1 (high)
* @padding: reserved for future use and should be zero filled
+ *
+ * This struct is part of ABI v1 and is deprecated.
+ * Use struct gpio_v2_line_config instead.
*/
struct gpiohandle_config {
__u32 flags;
@@ -398,6 +413,9 @@ struct gpiohandle_config {
* @values: when getting the state of lines this contains the current
* state of a line, when setting the state of lines these should contain
* the desired target state
+ *
+ * This struct is part of ABI v1 and is deprecated.
+ * Use struct gpio_v2_line_values instead.
*/
struct gpiohandle_data {
__u8 values[GPIOHANDLES_MAX];
@@ -421,6 +439,9 @@ struct gpiohandle_data {
* @fd: if successful this field will contain a valid anonymous file handle
* after a GPIO_GET_LINEEVENT_IOCTL operation, zero or negative value
* means error
+ *
+ * This struct is part of ABI v1 and is deprecated.
+ * Use struct gpio_v2_line_request instead.
*/
struct gpioevent_request {
__u32 lineoffset;
@@ -440,6 +461,9 @@ struct gpioevent_request {
* struct gpioevent_data - The actual event being pushed to userspace
* @timestamp: best estimate of time of event occurrence, in nanoseconds
* @id: event identifier
+ *
+ * This struct is part of ABI v1 and is deprecated.
+ * Use struct gpio_v2_line_event instead.
*/
struct gpioevent_data {
__u64 timestamp;
@@ -464,6 +488,8 @@ struct gpioevent_data {
/*
* v1 ioctl()s
+ *
+ * These ioctl()s are deprecated. Use the v2 equivalent instead.
*/
#define GPIO_GET_LINEINFO_IOCTL _IOWR(0xB4, 0x02, struct gpioline_info)
#define GPIO_GET_LINEHANDLE_IOCTL _IOWR(0xB4, 0x03, struct gpiohandle_request)
Update uAPI documentation to deprecate v1 structs and ioctls. Signed-off-by: Kent Gibson <warthog618@gmail.com> --- include/uapi/linux/gpio.h | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+)