void *client; /* Only one client per channel */
unsigned int n_tx_desc;
struct pxp_tx_desc *desc; /* allocated tx-descriptors */
- struct list_head active_list; /* active tx-descriptors */
struct list_head queue; /* queued tx-descriptors */
struct list_head list; /* track queued channel number */
spinlock_t lock; /* protects sg[0,1], queue */