diff --git a/arch/arm/plat-mxc/include/mach/mxc_nand.h b/arch/arm/plat-mxc/include/mach/mxc_nand.h
index 5d2d21d414e0..28988c7365f5 100644
--- a/arch/arm/plat-mxc/include/mach/mxc_nand.h
+++ b/arch/arm/plat-mxc/include/mach/mxc_nand.h
@@ -21,8 +21,8 @@
 #define __ASM_ARCH_NAND_H
 
 struct mxc_nand_platform_data {
-	int width;	/* data bus width in bytes */
-	int hw_ecc:1;	/* 0 if supress hardware ECC */
-	int flash_bbt:1; /* set to 1 to use a flash based bbt */
+	unsigned int width;	/* data bus width in bytes */
+	unsigned int hw_ecc:1;	/* 0 if supress hardware ECC */
+	unsigned int flash_bbt:1; /* set to 1 to use a flash based bbt */
 };
 #endif /* __ASM_ARCH_NAND_H */