1 files changed, 6 insertions, 0 deletions

diff --git a/arch/mips/bcm47xx/setup.c b/arch/mips/bcm47xx/setup.c
index 6054d49e608e..8c9cbf13d32a 100644
--- a/arch/mips/bcm47xx/setup.c
+++ b/arch/mips/bcm47xx/setup.c
@@ -212,6 +212,12 @@ static int __init bcm47xx_cpu_fixes(void)
                  */
                 if (bcm47xx_bus.bcma.bus.chipinfo.id == BCMA_CHIP_ID_BCM4706)
                         cpu_wait = NULL;
+
+                /*
+                 * BCM47XX Erratum "R10: PCIe Transactions Periodically Fail"
+                 * Enable ExternalSync for sync instruction to take effect
+                 */
+                set_c0_config7(MIPS_CONF7_ES);
                 break;
 #endif
         }