imx9: gpio: include types.h header
Include types.h header for u32, following Linux Coding Style to include
necessary headers.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
diff --git a/arch/arm/include/asm/arch-imx9/gpio.h b/arch/arm/include/asm/arch-imx9/gpio.h
index 4073202..ca763f5 100644
--- a/arch/arm/include/asm/arch-imx9/gpio.h
+++ b/arch/arm/include/asm/arch-imx9/gpio.h
@@ -6,6 +6,8 @@
#ifndef __ASM_ARCH_IMX9_GPIO_H
#define __ASM_ARCH_IMX9_GPIO_H
+#include <linux/types.h>
+
struct gpio_regs {
u32 gpio_pdor;
u32 gpio_psor;