1 files changed, 6 insertions, 0 deletions

diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c
index 170c9bb95866..f2ce38e085d2 100644
--- a/arch/arm/mm/cache-l2x0.c
+++ b/arch/arm/mm/cache-l2x0.c
@@ -49,7 +49,13 @@ static inline void cache_wait(void __iomem *reg, unsigned long mask)
 static inline void cache_sync(void)
 {
         void __iomem *base = l2x0_base;
+
+#ifdef CONFIG_ARM_ERRATA_753970
+        /* write to an unmmapped register */
+        writel_relaxed(0, base + L2X0_DUMMY_REG);
+#else
         writel_relaxed(0, base + L2X0_CACHE_SYNC);
+#endif
         cache_wait(base + L2X0_CACHE_SYNC, 1);
 }