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 pure.logic@nexus-software.ie Cc: Johan Hovold johan@kernel.org Cc: Alex Elder elder@kernel.org Cc: Greg Kroah-Hartman gregkh@linuxfoundation.org Cc: Mitch Tasman tasman@leaflabs.com Cc: greybus-dev@lists.linaro.org Cc: devel@driverdev.osuosl.org Cc: linux-kernel@vger.kernel.org Reviewed-by: Johan Hovold johan@kernel.org --- 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);