Add a wr_trylock wrapper for pthread rw lock write trylock.

miner.h

@@ -798,6 +798,7 @@ extern void api_initlock(void *lock, enum cglock_typ typ, const char *file, cons
 #define mutex_unlock(_lock) _mutex_unlock(_lock, __FILE__, __func__, __LINE__)
 #define mutex_trylock(_lock) _mutex_trylock(_lock, __FILE__, __func__, __LINE__)
 #define wr_lock(_lock) _wr_lock(_lock, __FILE__, __func__, __LINE__)
+#define wr_trylock(_lock) _wr_trylock(_lock, __FILE__, __func__, __LINE__)
 #define rd_lock(_lock) _rd_lock(_lock, __FILE__, __func__, __LINE__)
 #define rw_unlock(_lock) _rw_unlock(_lock, __FILE__, __func__, __LINE__)
 #define rd_unlock_noyield(_lock) _rd_unlock_noyield(_lock, __FILE__, __func__, __LINE__)
@@ -855,6 +856,14 @@ static inline void _wr_lock(pthread_rwlock_t *lock, const char *file, const char
 	GOTLOCK(lock, file, func, line);
 }
 
+static inline int _wr_trylock(pthread_rwlock_t *lock, __maybe_unused const char *file, __maybe_unused const char *func, __maybe_unused const int line)
+{
+	TRYLOCK(lock, file, func, line);
+	int ret = pthread_rwlock_trywrlock(lock);
+	DIDLOCK(ret, lock, file, func, line);
+	return ret;
+}
+
 static inline void _rd_lock(pthread_rwlock_t *lock, const char *file, const char *func, const int line)
 {
 	GETLOCK(lock, file, func, line);

usbutils.c

@@ -67,7 +67,6 @@
 #define AVALON_TIMEOUT_MS 999
 #define KLONDIKE_TIMEOUT_MS 999
 #define ICARUS_TIMEOUT_MS 999
-#define AMU_TIMEOUT_MS 1999
 #define HASHFAST_TIMEOUT_MS 999
 #else
 #define BFLSC_TIMEOUT_MS 300
@@ -77,7 +76,6 @@
 #define AVALON_TIMEOUT_MS 200
 #define KLONDIKE_TIMEOUT_MS 200
 #define ICARUS_TIMEOUT_MS 200
-#define AMU_TIMEOUT_MS 200
 #define HASHFAST_TIMEOUT_MS 200
 #endif
 
@@ -404,7 +402,7 @@ static struct usb_find_devices find_dev[] = {
 		.idVendor = 0x10c4,
 		.idProduct = 0xea60,
 		.config = 1,
-		.timeout = AMU_TIMEOUT_MS,
+		.timeout = ICARUS_TIMEOUT_MS,
 		.latency = LATENCY_UNUSED,
 		INTINFO(amu_ints) },
 	{