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)

3 files changed, 2 insertions, 29 deletions

diff --git a/sound/firewire/cmp.c b/sound/firewire/cmp.c
index 76294f2..645cb0b 100644
--- a/sound/firewire/cmp.c
+++ b/sound/firewire/cmp.c
@@ -84,7 +84,7 @@ static int pcr_modify(struct cmp_connection *c,
 	return 0;
 
 io_error:
-	cmp_error(c, "transaction failed: %s\n", rcode_string(rcode));
+	cmp_error(c, "transaction failed: %s\n", fw_rcode_string(rcode));
 	return -EIO;
 
 bus_reset:
diff --git a/sound/firewire/lib.c b/sound/firewire/lib.c
index 4750cea..14eb414 100644
--- a/sound/firewire/lib.c
+++ b/sound/firewire/lib.c
@@ -14,32 +14,6 @@
 #define ERROR_RETRY_DELAY_MS	5
 
 /**
- * rcode_string - convert a firewire result code to a string
- * @rcode: the result
- */
-const char *rcode_string(unsigned int rcode)
-{
-	static const char *const names[] = {
-		[RCODE_COMPLETE]	= "complete",
-		[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]	= "cancelled",
-		[RCODE_BUSY]		= "busy",
-		[RCODE_GENERATION]	= "generation",
-		[RCODE_NO_ACK]		= "no ack",
-	};
-
-	if (rcode < ARRAY_SIZE(names) && names[rcode])
-		return names[rcode];
-	else
-		return "unknown";
-}
-EXPORT_SYMBOL(rcode_string);
-
-/**
  * snd_fw_transaction - send a request and wait for its completion
  * @unit: the driver's unit on the target device
  * @tcode: the transaction code
@@ -71,7 +45,7 @@ int snd_fw_transaction(struct fw_unit *unit, int tcode,
 
 		if (rcode_is_permanent_error(rcode) || ++tries >= 3) {
 			dev_err(&unit->device, "transaction failed: %s\n",
-				rcode_string(rcode));
+				fw_rcode_string(rcode));
 			return -EIO;
 		}
 
diff --git a/sound/firewire/lib.h b/sound/firewire/lib.h
index 064f3fd..aef3014 100644
--- a/sound/firewire/lib.h
+++ b/sound/firewire/lib.h
@@ -8,7 +8,6 @@ struct fw_unit;
 
 int snd_fw_transaction(struct fw_unit *unit, int tcode,
 		       u64 offset, void *buffer, size_t length);
-const char *rcode_string(unsigned int rcode);
 
 /* returns true if retrying the transaction would not make sense */
 static inline bool rcode_is_permanent_error(int rcode)