diff --git a/drivers/mtd/nand/atmel_nand_ecc.h b/drivers/mtd/nand/atmel_nand_ecc.h
index 8a1e9a6..e87af84 100644
--- a/drivers/mtd/nand/atmel_nand_ecc.h
+++ b/drivers/mtd/nand/atmel_nand_ecc.h
@@ -129,8 +129,13 @@
 #define pmerrloc_writel(addr, reg, value) \
 	writel((value), (addr) + ATMEL_PMERRLOC_##reg)
 
+#if defined(CONFIG_ARCH_AT91)
 #define pmerrloc_writel_sigma_relaxed(addr, n, value) \
 	writel_relaxed((value), (addr) + ATMEL_PMERRLOC_SIGMAx + ((n) * 4))
+#elif defined(CONFIG_AVR32)
+#define pmerrloc_writel_sigma_relaxed(addr, n, value) \
+	writel((value), (addr) + ATMEL_PMERRLOC_SIGMAx + ((n) * 4))
+#endif
 
 #define pmerrloc_readl_sigma_relaxed(addr, n) \
 	readl_relaxed((addr) + ATMEL_PMERRLOC_SIGMAx + ((n) * 4))