diff --git a/include/linux/spi/spi_bitbang.h b/include/linux/spi/spi_bitbang.h index b8db32cea1de5..bf8de281b4ed2 100644 --- a/include/linux/spi/spi_bitbang.h +++ b/include/linux/spi/spi_bitbang.h @@ -18,6 +18,9 @@ * duplex (MicroWire) controllers. Provide chipslect() and txrx_bufs(), * and custom setup()/cleanup() methods. */ + +#include + struct spi_bitbang { struct workqueue_struct *workqueue; struct work_struct work;