Merge 5.1-rc6 into tty-next

We want the serial/tty fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/serial/sc16is7xx.c

@@ -1520,11 +1520,13 @@ static int __init sc16is7xx_init(void)
 #endif
 	return ret;
 
+#ifdef CONFIG_SERIAL_SC16IS7XX_SPI
 err_spi:
+#endif
 #ifdef CONFIG_SERIAL_SC16IS7XX_I2C
 	i2c_del_driver(&sc16is7xx_i2c_uart_driver);
-#endif
 err_i2c:
+#endif
 	uart_unregister_driver(&sc16is7xx_uart);
 	return ret;
 }