Merge pull request #509 from nwoolls/bug/gridseed-detect-err_log

gridseed: Bugfix: log invalid detect responses as debug info, not an error

driver-gridseed.c

@@ -85,7 +85,7 @@ bool gridseed_detect_custom(const char *path, struct device_drv *driver, struct
 	
 	if (fw_version == -1)
 	{
-		applog(LOG_ERR, "%s: Invalid detect response from %s", gridseed_drv.dname, path);
+		applog(LOG_DEBUG, "%s: Invalid detect response from %s", gridseed_drv.dname, path);
 		gc3355_close(fd);
 		return false;
 	}

gc3355.c

@@ -602,7 +602,7 @@ int64_t gc3355_get_firmware_version(int fd)
 	int read = gc3355_read(fd, buf, GC3355_READ_SIZE);
 	if (read != GC3355_READ_SIZE)
 	{
-		applog(LOG_ERR, "%s: Failed reading work from %d", GC3355_CHIP_NAME, fd);
+		applog(LOG_DEBUG, "%s: Failed reading work from %d", GC3355_CHIP_NAME, fd);
 		return -1;
 	}