diff --git a/arch/mips/mti-malta/malta-int.c b/arch/mips/mti-malta/malta-int.c
index 3e0a9b35ba5cde0019c6b6efa419f1a91613732d..e568d0da060eb5e141321b645cd292ba2d458810 100644
--- a/arch/mips/mti-malta/malta-int.c
+++ b/arch/mips/mti-malta/malta-int.c
@@ -87,7 +87,7 @@ static inline int mips_pcibios_iack(void)
 		dummy = BONITO_PCIMAP_CFG;
 		iob();    /* sync */
 
-		irq = readl((u32 *)_pcictrl_bonito_pcicfg);
+		irq = __raw_readl((u32 *)_pcictrl_bonito_pcicfg);
 		iob();    /* sync */
 		irq &= 0xff;
 		BONITO_PCIMAP_CFG = 0;