diff --git a/drivers/staging/tidspbridge/hw/hw_mmu.c b/drivers/staging/tidspbridge/hw/hw_mmu.c
index c214df9b205e..8a93d55ca596 100644
--- a/drivers/staging/tidspbridge/hw/hw_mmu.c
+++ b/drivers/staging/tidspbridge/hw/hw_mmu.c
@@ -558,5 +558,5 @@ static hw_status mmu_set_ram_entry(const void __iomem *base_address,
 
 void hw_mmu_tlb_flush_all(const void __iomem *base)
 {
-	__raw_writeb(1, base + MMU_GFLUSH);
+	__raw_writel(1, base + MMU_GFLUSH);
 }