diff --git a/drivers/spi/cadence_qspi_apb.c b/drivers/spi/cadence_qspi_apb.c
index e0a2003..6362869 100644
--- a/drivers/spi/cadence_qspi_apb.c
+++ b/drivers/spi/cadence_qspi_apb.c
@@ -29,6 +29,7 @@
 #include <log.h>
 #include <asm/io.h>
 #include <dma.h>
+#include <linux/delay.h>
 #include <linux/errno.h>
 #include <wait_bit.h>
 #include <spi.h>
diff --git a/drivers/spi/davinci_spi.c b/drivers/spi/davinci_spi.c
index 3efa8db..c00a05a 100644
--- a/drivers/spi/davinci_spi.c
+++ b/drivers/spi/davinci_spi.c
@@ -16,6 +16,7 @@
 #include <asm/arch/hardware.h>
 #include <dm.h>
 #include <dm/platform_data/spi_davinci.h>
+#include <linux/delay.h>
 
 /* SPIGCR0 */
 #define SPIGCR0_SPIENA_MASK	0x1
diff --git a/drivers/spi/exynos_spi.c b/drivers/spi/exynos_spi.c
index cded7a8..746686a 100644
--- a/drivers/spi/exynos_spi.c
+++ b/drivers/spi/exynos_spi.c
@@ -19,6 +19,7 @@
 #include <asm/arch/pinmux.h>
 #include <asm/arch/spi.h>
 #include <asm/io.h>
+#include <linux/delay.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
diff --git a/drivers/spi/fsl_dspi.c b/drivers/spi/fsl_dspi.c
index c85253d..cb3d44c 100644
--- a/drivers/spi/fsl_dspi.c
+++ b/drivers/spi/fsl_dspi.c
@@ -22,6 +22,7 @@
 #include <asm/arch/clock.h>
 #endif
 #include <fsl_dspi.h>
+#include <linux/delay.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
diff --git a/drivers/spi/fsl_espi.c b/drivers/spi/fsl_espi.c
index 67544ff..ba49839 100644
--- a/drivers/spi/fsl_espi.c
+++ b/drivers/spi/fsl_espi.c
@@ -8,6 +8,7 @@
 
 #include <common.h>
 #include <log.h>
+#include <linux/delay.h>
 
 #include <malloc.h>
 #include <spi.h>
diff --git a/drivers/spi/fsl_qspi.c b/drivers/spi/fsl_qspi.c
index 0ee5074..de93cbd 100644
--- a/drivers/spi/fsl_qspi.c
+++ b/drivers/spi/fsl_qspi.c
@@ -26,6 +26,7 @@
 #include <common.h>
 #include <log.h>
 #include <asm/io.h>
+#include <linux/delay.h>
 #include <linux/libfdt.h>
 #include <linux/sizes.h>
 #include <linux/iopoll.h>
diff --git a/drivers/spi/ich.c b/drivers/spi/ich.c
index 537c756..9c42755 100644
--- a/drivers/spi/ich.c
+++ b/drivers/spi/ich.c
@@ -25,6 +25,7 @@
 #include <asm/fast_spi.h>
 #include <asm/io.h>
 #include <asm/mtrr.h>
+#include <linux/delay.h>
 #include <linux/sizes.h>
 
 #include "ich.h"
diff --git a/drivers/spi/mpc8xx_spi.c b/drivers/spi/mpc8xx_spi.c
index b020ce2..0026ad2 100644
--- a/drivers/spi/mpc8xx_spi.c
+++ b/drivers/spi/mpc8xx_spi.c
@@ -20,6 +20,7 @@
 #include <dm.h>
 #include <mpc8xx.h>
 #include <spi.h>
+#include <linux/delay.h>
 
 #include <asm/cpm_8xx.h>
 #include <asm/io.h>
diff --git a/drivers/spi/mpc8xxx_spi.c b/drivers/spi/mpc8xxx_spi.c
index 8aedd5e..8491eac 100644
--- a/drivers/spi/mpc8xxx_spi.c
+++ b/drivers/spi/mpc8xxx_spi.c
@@ -14,6 +14,7 @@
 #include <asm/mpc8xxx_spi.h>
 #include <asm-generic/gpio.h>
 #include <dm/device_compat.h>
+#include <linux/delay.h>
 
 enum {
 	SPI_EV_NE = BIT(31 - 22),	/* Receiver Not Empty */
diff --git a/drivers/spi/mxc_spi.c b/drivers/spi/mxc_spi.c
index 4865fd9..e35c6f9 100644
--- a/drivers/spi/mxc_spi.c
+++ b/drivers/spi/mxc_spi.c
@@ -9,6 +9,7 @@
 #include <malloc.h>
 #include <spi.h>
 #include <dm/device_compat.h>
+#include <linux/delay.h>
 #include <linux/errno.h>
 #include <asm/io.h>
 #include <asm/gpio.h>
diff --git a/drivers/spi/rk_spi.c b/drivers/spi/rk_spi.c
index c5842dc..833cb04 100644
--- a/drivers/spi/rk_spi.c
+++ b/drivers/spi/rk_spi.c
@@ -18,6 +18,7 @@
 #include <log.h>
 #include <spi.h>
 #include <time.h>
+#include <linux/delay.h>
 #include <linux/errno.h>
 #include <asm/io.h>
 #include <asm/arch-rockchip/clock.h>
diff --git a/drivers/spi/sh_spi.c b/drivers/spi/sh_spi.c
index c58fd0e..4ecfe60 100644
--- a/drivers/spi/sh_spi.c
+++ b/drivers/spi/sh_spi.c
@@ -10,6 +10,7 @@
 #include <malloc.h>
 #include <spi.h>
 #include <asm/io.h>
+#include <linux/delay.h>
 #include "sh_spi.h"
 
 static void sh_spi_write(unsigned long data, unsigned long *reg)
diff --git a/drivers/spi/soft_spi.c b/drivers/spi/soft_spi.c
index af0dd71..e5f9f49 100644
--- a/drivers/spi/soft_spi.c
+++ b/drivers/spi/soft_spi.c
@@ -17,6 +17,7 @@
 #include <malloc.h>
 #include <spi.h>
 #include <asm/gpio.h>
+#include <linux/delay.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
diff --git a/drivers/spi/stm32_qspi.c b/drivers/spi/stm32_qspi.c
index ae62aeb..9fc5f6e 100644
--- a/drivers/spi/stm32_qspi.c
+++ b/drivers/spi/stm32_qspi.c
@@ -13,6 +13,7 @@
 #include <reset.h>
 #include <spi-mem.h>
 #include <dm/device_compat.h>
+#include <linux/delay.h>
 #include <linux/iopoll.h>
 #include <linux/ioport.h>
 #include <linux/sizes.h>
diff --git a/drivers/spi/stm32_spi.c b/drivers/spi/stm32_spi.c
index fdc9f95..8071de0 100644
--- a/drivers/spi/stm32_spi.c
+++ b/drivers/spi/stm32_spi.c
@@ -13,6 +13,7 @@
 #include <reset.h>
 #include <spi.h>
 #include <dm/device_compat.h>
+#include <linux/delay.h>
 
 #include <asm/io.h>
 #include <asm/gpio.h>
diff --git a/drivers/spi/tegra114_spi.c b/drivers/spi/tegra114_spi.c
index 2740918..bf02bdb 100644
--- a/drivers/spi/tegra114_spi.c
+++ b/drivers/spi/tegra114_spi.c
@@ -13,6 +13,7 @@
 #include <asm/arch/clock.h>
 #include <asm/arch-tegra/clk_rst.h>
 #include <spi.h>
+#include <linux/delay.h>
 #include "tegra_spi.h"
 
 /* COMMAND1 */
diff --git a/drivers/spi/tegra20_sflash.c b/drivers/spi/tegra20_sflash.c
index 3a1ef8c..1461f09 100644
--- a/drivers/spi/tegra20_sflash.c
+++ b/drivers/spi/tegra20_sflash.c
@@ -17,6 +17,7 @@
 #include <asm/arch-tegra/clk_rst.h>
 #include <spi.h>
 #include <fdtdec.h>
+#include <linux/delay.h>
 #include "tegra_spi.h"
 
 DECLARE_GLOBAL_DATA_PTR;
diff --git a/drivers/spi/tegra20_slink.c b/drivers/spi/tegra20_slink.c
index f09d960..dcd0950 100644
--- a/drivers/spi/tegra20_slink.c
+++ b/drivers/spi/tegra20_slink.c
@@ -14,6 +14,7 @@
 #include <asm/arch-tegra/clk_rst.h>
 #include <spi.h>
 #include <fdtdec.h>
+#include <linux/delay.h>
 #include "tegra_spi.h"
 
 DECLARE_GLOBAL_DATA_PTR;
diff --git a/drivers/spi/tegra210_qspi.c b/drivers/spi/tegra210_qspi.c
index c810dc4..96ab650 100644
--- a/drivers/spi/tegra210_qspi.c
+++ b/drivers/spi/tegra210_qspi.c
@@ -15,6 +15,7 @@
 #include <asm/arch-tegra/clk_rst.h>
 #include <spi.h>
 #include <fdtdec.h>
+#include <linux/delay.h>
 #include "tegra_spi.h"
 
 DECLARE_GLOBAL_DATA_PTR;
diff --git a/drivers/spi/uniphier_spi.c b/drivers/spi/uniphier_spi.c
index 57d41b7..42ed1ba 100644
--- a/drivers/spi/uniphier_spi.c
+++ b/drivers/spi/uniphier_spi.c
@@ -11,6 +11,7 @@
 #include <time.h>
 #include <dm/device_compat.h>
 #include <linux/bitfield.h>
+#include <linux/delay.h>
 #include <linux/io.h>
 #include <spi.h>
 #include <wait_bit.h>
diff --git a/drivers/spi/zynq_spi.c b/drivers/spi/zynq_spi.c
index b59b876..e3bad55 100644
--- a/drivers/spi/zynq_spi.c
+++ b/drivers/spi/zynq_spi.c
@@ -13,6 +13,7 @@
 #include <spi.h>
 #include <time.h>
 #include <asm/io.h>
+#include <linux/delay.h>
 
 DECLARE_GLOBAL_DATA_PTR;