usb: musb: only restore devctl when session was set in backup

[karo-tx-linux.git] / scripts / Makefile.extrawarn

diff --git a/scripts/Makefile.extrawarn b/scripts/Makefile.extrawarn
index 4efedcbe4165f48ac1afbca50f3612bd312e9b70..da3386a9d244c2ae18d841a9f554fb7b91e8c0f1 100644 (file)
--- a/scripts/Makefile.extrawarn
+++ b/scripts/Makefile.extrawarn
@@ -24,6 +24,7 @@ warning-1 += $(call cc-option, -Wmissing-prototypes)
 warning-1 += -Wold-style-definition
 warning-1 += $(call cc-option, -Wmissing-include-dirs)
 warning-1 += $(call cc-option, -Wunused-but-set-variable)
+warning-1 += $(call cc-option, -Wunused-const-variable)
 warning-1 += $(call cc-disable-warning, missing-field-initializers)
 
 warning-2 := -Waggregate-return