The workaround is to eanble ExternalSync mode and it is implemented on CFE. But to enable this without CFE implemented it add the workaround into Linux. Signed-off-by: Tokunori Ikegami <ikegami@xxxxxxxxxxxxxxxxxxxx> Cc: Chris Packham <chris.packham@xxxxxxxxxxxxxxxxxxx> Cc: Hauke Mehrtens <hauke@xxxxxxxxxx> Cc: Rafa~B Mi~Becki <zajec5@xxxxxxxxx> Cc: linux-mips@xxxxxxxxxxxxxx Tokunori Ikegami (1): MIPS: BCM47XX: Enable MIPS32 74K Core ExternalSync for BCM47XX PCIe erratum arch/mips/include/asm/mipsregs.h | 3 +++ arch/mips/kernel/cpu-probe.c | 12 +++++++++++- 2 files changed, 14 insertions(+), 1 deletion(-) -- 2.16.1