diff --git a/include/linux/spi/mxs-spi.h b/include/linux/spi/mxs-spi.h
index 475f69f..d07f8dc 100644
--- a/include/linux/spi/mxs-spi.h
+++ b/include/linux/spi/mxs-spi.h
@@ -136,4 +136,6 @@
 	enum mxs_ssp_id			devid;
 };
 
+void mxs_ssp_set_clk_rate(struct mxs_ssp *ssp, unsigned int rate);
+
 #endif	/* __LINUX_SPI_MXS_SPI_H__ */