--- zzzz-none-000/linux-2.4.17/include/asm-ppc/machdep.h	2001-11-16 18:10:08.000000000 +0000
+++ sangam-fb-322/linux-2.4.17/include/asm-ppc/machdep.h	2004-11-24 13:21:50.000000000 +0000
@@ -1,5 +1,5 @@
 /*
- * BK Id: SCCS/s.machdep.h 1.25 11/13/01 21:26:07 paulus
+ * BK Id: SCCS/s.machdep.h 1.34 12/03/01 10:00:02 trini
  */
 #ifdef __KERNEL__
 #ifndef _PPC_MACHDEP_H
@@ -16,6 +16,11 @@
 struct pci_dev;
 struct seq_file;
 
+/* We export this macro for external modules like Alsa to know if
+ * ppc_md.feature_call is implemented or not
+ */
+#define CONFIG_PPC_HAS_FEATURE_CALLS
+
 struct machdep_calls {
 	void		(*setup_arch)(void);
 	/* Optional, may be NULL. */
@@ -95,6 +100,12 @@
 	/* this is for modules, since _machine can be a define -- Cort */
 	int ppc_machine;
 
+	/* Motherboard/chipset features. This is a kind of general purpose
+	 * hook used to control some machine specific features (like reset
+	 * lines, chip power control, etc...).
+	 */
+	int (*feature_call)(unsigned int feature, ...);
+
 #ifdef CONFIG_SMP
 	/* functions for dealing with other cpus */
 	struct smp_ops_t *smp_ops;