X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=arch%2Fblackfin%2Fmach-common%2Farch_checks.c;h=f2ca211a76a09a4497b0b18714cac2df2e0fb8a5;hb=a2ca78cee1c428843f6833150c7e64db05f9d668;hp=9dbafcdcf4791e3ba7eb8522cf1b6de911c05b0a;hpb=c6c599272374a358b4171d50ffd605e6cf7b481c;p=firefly-linux-kernel-4.4.55.git

diff --git a/arch/blackfin/mach-common/arch_checks.c b/arch/blackfin/mach-common/arch_checks.c
index 9dbafcdcf479..f2ca211a76a0 100644
--- a/arch/blackfin/mach-common/arch_checks.c
+++ b/arch/blackfin/mach-common/arch_checks.c
@@ -57,3 +57,8 @@
 	 (!defined(CONFIG_BFIN_EXTMEM_DCACHEABLE) && defined(CONFIG_BFIN_L2_WRITEBACK)))
 # error You are exposing Anomaly 220 in this config, either config L2 as Write Through, or make External Memory WB.
 #endif
+
+#if ANOMALY_05000475 && \
+	(defined(CONFIG_BFIN_EXTMEM_WRITEBACK) || defined(CONFIG_BFIN_L2_WRITEBACK))
+# error "Anomaly 475 does not allow you to use Write Back cache with L2 or External Memory"
+#endif