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| author | Clemens Ladisch <clemens@ladisch.de> | 2012-04-11 19:38:10 +0400 |
|---|---|---|
| committer | Stefan Richter <stefanr@s5r6.in-berlin.de> | 2012-04-18 00:54:55 +0400 |
| commit | 7bdbff6762a573b911e4ee5715779d8ee6a62631 (patch) | |
| tree | 446701cfe10e48a735997053f279d2e9b11975fd /drivers/firewire | |
| parent | db7494e2ce616f2e39e877cf9143b7d873701ec6 (diff) | |
| download | linux-7bdbff6762a573b911e4ee5715779d8ee6a62631.tar.xz | |
firewire: move rcode_string() to core
There is nothing audio-specific about the rcode_string() helper, so move
it from snd-firewire-lib into firewire-core to allow other code to use it.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> (fixed sound/firewire/cmp.c)
Diffstat (limited to 'drivers/firewire')
| -rw-r--r-- | drivers/firewire/core-transaction.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/firewire/core-transaction.c b/drivers/firewire/core-transaction.c index dea2dcc9310d..1c4980c32f90 100644 --- a/drivers/firewire/core-transaction.c +++ b/drivers/firewire/core-transaction.c @@ -994,6 +994,32 @@ void fw_core_handle_response(struct fw_card *card, struct fw_packet *p) } EXPORT_SYMBOL(fw_core_handle_response); +/** + * fw_rcode_string - convert a firewire result code to an error description + * @rcode: the result code + */ +const char *fw_rcode_string(int rcode) +{ + static const char *const names[] = { + [RCODE_COMPLETE] = "no error", + [RCODE_CONFLICT_ERROR] = "conflict error", + [RCODE_DATA_ERROR] = "data error", + [RCODE_TYPE_ERROR] = "type error", + [RCODE_ADDRESS_ERROR] = "address error", + [RCODE_SEND_ERROR] = "send error", + [RCODE_CANCELLED] = "timeout", + [RCODE_BUSY] = "busy", + [RCODE_GENERATION] = "bus reset", + [RCODE_NO_ACK] = "no ack", + }; + + if ((unsigned int)rcode < ARRAY_SIZE(names) && names[rcode]) + return names[rcode]; + else + return "unknown"; +} +EXPORT_SYMBOL(fw_rcode_string); + static const struct fw_address_region topology_map_region = { .start = CSR_REGISTER_BASE | CSR_TOPOLOGY_MAP, .end = CSR_REGISTER_BASE | CSR_TOPOLOGY_MAP_END, }; |