xtensa: initialize CPENABLE SR when core has one

XCHAL_CP_NUM is defined in variant/tie.h and it is not included by head.S, leaving CPENABLE register uninitialised. XCHAL_HAVE_CP is defined in variant/core.h to 1 when core has CPENABLE SR. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
git-mirror · Dec 19, 2012 · eab5e7a · eab5e7a
1 parent 79fcf52
commit eab5e7a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/arch/xtensa/kernel/head.S b/arch/xtensa/kernel/head.S
@@ -124,7 +124,7 @@ ENTRY(_startup)
 
 	/* Disable coprocessors. */
 
-#if XCHAL_CP_NUM > 0
+#if XCHAL_HAVE_CP
 	wsr	a0, cpenable
 #endif