Asynchronous operation completion handler's lives are made easier if there
is a generic pointer that can store private data associated with the
operation. This patch adds a pointer field to struct gb_operation and
get/set methods to access that pointer.
Signed-off-by: Bryan O'Donoghue <[email protected]>
Cc: Johan Hovold <[email protected]>
Cc: Alex Elder <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
Cc: Mitch Tasman <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Reviewed-by: Johan Hovold <[email protected]>
---
drivers/staging/greybus/operation.h | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/drivers/staging/greybus/operation.h b/drivers/staging/greybus/operation.h
index 7529f01..bfec1e9 100644
--- a/drivers/staging/greybus/operation.h
+++ b/drivers/staging/greybus/operation.h
@@ -105,6 +105,8 @@ struct gb_operation {
int active;
struct list_head links; /* connection->operations */
+
+ void *private;
};
static inline bool
@@ -206,6 +208,17 @@ static inline int gb_operation_unidirectional(struct gb_connection *connection,
request, request_size, GB_OPERATION_TIMEOUT_DEFAULT);
}
+static inline void *gb_operation_get_data(struct gb_operation *operation)
+{
+ return operation->private;
+}
+
+static inline void gb_operation_set_data(struct gb_operation *operation,
+ void *data)
+{
+ operation->private = data;
+}
+
int gb_operation_init(void);
void gb_operation_exit(void);
--
2.7.4
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