diff --git a/hardware/common/ezusb.c b/hardware/common/ezusb.c
index fe204a00..68692c3a 100644
--- a/hardware/common/ezusb.c
+++ b/hardware/common/ezusb.c
@@ -78,3 +78,38 @@ int ezusb_install_firmware(libusb_device_handle *hdl, const char *filename)
 
 	return result;
 }
+
+int ezusb_upload_firmware(libusb_device *dev, int configuration,
+			  const char *filename)
+{
+	struct libusb_device_handle *hdl;
+	int err;
+
+	g_message("uploading firmware to device on %d.%d",
+		  libusb_get_bus_number(dev), libusb_get_device_address(dev));
+
+	err = libusb_open(dev, &hdl);
+	if (err != 0) {
+		g_warning("failed to open device: %d", err);
+		return 1;
+	}
+
+	err = libusb_set_configuration(hdl, configuration);
+	if (err != 0) {
+		g_warning("Unable to set configuration: %d", err);
+		return 1;
+	}
+
+	if ((ezusb_reset(hdl, 1)) < 0)
+		return 1;
+
+	if (ezusb_install_firmware(hdl, filename) != 0)
+		return 1;
+
+	if ((ezusb_reset(hdl, 0)) < 0)
+		return 1;
+
+	libusb_close(hdl);
+
+	return 0;
+}
diff --git a/hardware/saleae-logic/saleae-logic.c b/hardware/saleae-logic/saleae-logic.c
index 9ebb207e..ee6a406d 100644
--- a/hardware/saleae-logic/saleae-logic.c
+++ b/hardware/saleae-logic/saleae-logic.c
@@ -275,34 +275,10 @@ struct sigrok_device_instance *sl_open_device(int device_index)
 
 int upload_firmware(libusb_device *dev)
 {
-	struct libusb_device_handle *hdl;
-	int err;
+	int ret;
 
-	g_message("uploading firmware to device on %d.%d",
-		  libusb_get_bus_number(dev), libusb_get_device_address(dev));
-
-	err = libusb_open(dev, &hdl);
-	if (err != 0) {
-		g_warning("failed to open device: %d", err);
+	if (ret = ezusb_upload_firmware(dev, USB_CONFIGURATION, FIRMWARE) != 0)
 		return 1;
-	}
-
-	err = libusb_set_configuration(hdl, USB_CONFIGURATION);
-	if (err != 0) {
-		g_warning("Unable to set configuration: %d", err);
-		return 1;
-	}
-
-	if ((ezusb_reset(hdl, 1)) < 0)
-		return 1;
-
-	if (ezusb_install_firmware(hdl, FIRMWARE) != 0)
-		return 1;
-
-	if ((ezusb_reset(hdl, 0)) < 0)
-		return 1;
-
-	libusb_close(hdl);
 
 	/* Remember when the last firmware update was done. */
 	g_get_current_time(&firmware_updated);
diff --git a/sigrok.h b/sigrok.h
index f5678e76..4c3af637 100644
--- a/sigrok.h
+++ b/sigrok.h
@@ -394,6 +394,8 @@ int session_save(char *filename);
 
 int ezusb_reset(struct libusb_device_handle *hdl, int set_clear);
 int ezusb_install_firmware(libusb_device_handle *hdl, char *filename);
+int ezusb_upload_firmware(libusb_device *dev, int configuration,
+                          const char *filename);
 
 GSList *list_serial_ports(void);
 int serial_open(const char *pathname, int flags);