diff options
| -rw-r--r-- | drivers/firewire/core-card.c | 4 | ||||
| -rw-r--r-- | drivers/firewire/core-transaction.c | 5 | ||||
| -rw-r--r-- | include/linux/firewire.h | 8 |
3 files changed, 10 insertions, 7 deletions
diff --git a/drivers/firewire/core-card.c b/drivers/firewire/core-card.c index 2bb5c036e806..0c312c4bb4bd 100644 --- a/drivers/firewire/core-card.c +++ b/drivers/firewire/core-card.c @@ -570,12 +570,12 @@ static int dummy_set_config_rom(struct fw_card *card, static void dummy_send_request(struct fw_card *card, struct fw_packet *packet) { - packet->callback(packet, card, -ENODEV); + packet->callback(packet, card, RCODE_CANCELLED); } static void dummy_send_response(struct fw_card *card, struct fw_packet *packet) { - packet->callback(packet, card, -ENODEV); + packet->callback(packet, card, RCODE_CANCELLED); } static int dummy_cancel_packet(struct fw_card *card, struct fw_packet *packet) diff --git a/drivers/firewire/core-transaction.c b/drivers/firewire/core-transaction.c index 5f5a7852f7ac..e2e4dc624fb6 100644 --- a/drivers/firewire/core-transaction.c +++ b/drivers/firewire/core-transaction.c @@ -310,7 +310,10 @@ static int allocate_tlabel(struct fw_card *card) * After the transaction is completed successfully or unsuccessfully, the * @callback will be called. Among its parameters is the response code which * is either one of the rcodes per IEEE 1394 or, in case of internal errors, - * the firewire-core specific %RCODE_SEND_ERROR. + * the firewire-core specific %RCODE_SEND_ERROR. The other firewire-core + * specific rcodes (%RCODE_CANCELLED, %RCODE_BUSY, %RCODE_GENERATION, + * %RCODE_NO_ACK) denote transaction timeout, busy responder, stale request + * generation, or missing ACK respectively. * * Note some timing corner cases: fw_send_request() may complete much earlier * than when the request packet actually hits the wire. On the other hand, diff --git a/include/linux/firewire.h b/include/linux/firewire.h index adc5b55e6e5f..0c38b8e97722 100644 --- a/include/linux/firewire.h +++ b/include/linux/firewire.h @@ -285,10 +285,10 @@ struct fw_packet { u32 timestamp; /* - * This callback is called when the packet transmission has - * completed; for successful transmission, the status code is - * the ack received from the destination, otherwise it's a - * negative errno: ENOMEM, ESTALE, ETIMEDOUT, ENODEV, EIO. + * This callback is called when the packet transmission has completed. + * For successful transmission, the status code is the ack received + * from the destination. Otherwise it is one of the juju-specific + * rcodes: RCODE_SEND_ERROR, _CANCELLED, _BUSY, _GENERATION, _NO_ACK. * The callback can be called from tasklet context and thus * must never block. */ |