[POWERPC] Only call ppc_md.setup_arch() if it is provided

[linux-2.6-omap-h63xx.git] / include / asm-powerpc / machdep.h

diff --git a/include/asm-powerpc/machdep.h b/include/asm-powerpc/machdep.h
index 71c6e7eb2a266798d56e3c6676d528fa1fa8be3f..cc7c17f16a9a71a2699d577ff644e63141ba5c32 100644 (file)
--- a/include/asm-powerpc/machdep.h
+++ b/include/asm-powerpc/machdep.h
@@ -99,7 +99,7 @@ struct machdep_calls {
 #endif /* CONFIG_PPC64 */
 
        int             (*probe)(void);
-       void            (*setup_arch)(void);
+       void            (*setup_arch)(void); /* Optional, may be NULL */
        void            (*init_early)(void);
        /* Optional, may be NULL. */
        void            (*show_cpuinfo)(struct seq_file *m);