ia64: GCC v3.5 fixes.

GCC v3.5 doesn't like it when a function gets cast to a
function-pointer with a different signature.  In fact, it exterts
extreme prejudice in this case and replaces the call-site with a call
to __builtin_trap()!  Fix this by providing appropriately typed
dummy-functions for the macvec operations as needed.

While at it, also clean up some machvec handlers which weren't used anywhere.

arch/ia64/kernel/machvec.c

@@ -50,8 +50,27 @@ machvec_noop (void)
 EXPORT_SYMBOL(machvec_noop);
 
 void
-machvec_memory_fence (void)
+machvec_setup (char **arg)
+{
+}
+EXPORT_SYMBOL(machvec_setup);
+
+void
+machvec_timer_interrupt (int irq, void *dev_id, struct pt_regs *regs)
+{
+}
+EXPORT_SYMBOL(machvec_timer_interrupt);
+
+void
+machvec_dma_sync_single (struct device *hwdev, dma_addr_t dma_handle, size_t size, int dir)
+{
+	mb();
+}
+EXPORT_SYMBOL(machvec_dma_sync_single);
+
+void
+machvec_dma_sync_sg (struct device *hwdev, struct scatterlist *sg, int n, int dir)
 {
 	mb();
 }
-EXPORT_SYMBOL(machvec_memory_fence);
+EXPORT_SYMBOL(machvec_dma_sync_sg);

include/asm-ia64/machvec.h

@@ -4,7 +4,7 @@
  * Copyright (C) 1999 Silicon Graphics, Inc.
  * Copyright (C) Srinivasa Thirumalachar <sprasad@engr.sgi.com>
  * Copyright (C) Vijay Chander <vijay@engr.sgi.com>
- * Copyright (C) 1999-2001, 2003 Hewlett-Packard Co.
+ * Copyright (C) 1999-2001, 2003-2004 Hewlett-Packard Co.
  *	David Mosberger-Tang <davidm@hpl.hp.com>
  */
 #ifndef _ASM_IA64_MACHVEC_H
@@ -21,12 +21,8 @@ struct irq_desc;
 struct page;
 
 typedef void ia64_mv_setup_t (char **);
-typedef void ia64_mv_cpu_init_t(void);
+typedef void ia64_mv_cpu_init_t (void);
 typedef void ia64_mv_irq_init_t (void);
-typedef void ia64_mv_mca_init_t (void);
-typedef void ia64_mv_mca_handler_t (void);
-typedef void ia64_mv_cmci_handler_t (int, void *, struct pt_regs *);
-typedef void ia64_mv_log_print_t (void);
 typedef void ia64_mv_send_ipi_t (int, int, int, int);
 typedef void ia64_mv_timer_interrupt_t (int, void *, struct pt_regs *);
 typedef void ia64_mv_global_tlb_purge_t (unsigned long, unsigned long, unsigned long);
@@ -73,7 +69,10 @@ typedef unsigned int ia64_mv_readl_relaxed_t (void *);
 typedef unsigned long ia64_mv_readq_relaxed_t (void *);
 
 extern void machvec_noop (void);
-extern void machvec_memory_fence (void);
+extern void machvec_setup (char **);
+extern void machvec_timer_interrupt (int, void *, struct pt_regs *);
+extern void machvec_dma_sync_single (struct device *, dma_addr_t, size_t, int);
+extern void machvec_dma_sync_sg (struct device *, struct scatterlist *, int, int);
 
 # if defined (CONFIG_IA64_HP_SIM)
 #  include <asm/machvec_hpsim.h>
@@ -92,10 +91,6 @@ extern void machvec_memory_fence (void);
 #  define platform_setup	ia64_mv.setup
 #  define platform_cpu_init	ia64_mv.cpu_init
 #  define platform_irq_init	ia64_mv.irq_init
-#  define platform_mca_init	ia64_mv.mca_init
-#  define platform_mca_handler	ia64_mv.mca_handler
-#  define platform_cmci_handler	ia64_mv.cmci_handler
-#  define platform_log_print	ia64_mv.log_print
 #  define platform_send_ipi	ia64_mv.send_ipi
 #  define platform_timer_interrupt	ia64_mv.timer_interrupt
 #  define platform_global_tlb_purge	ia64_mv.global_tlb_purge
@@ -140,10 +135,6 @@ struct ia64_machine_vector {
 	ia64_mv_setup_t *setup;
 	ia64_mv_cpu_init_t *cpu_init;
 	ia64_mv_irq_init_t *irq_init;
-	ia64_mv_mca_init_t *mca_init;
-	ia64_mv_mca_handler_t *mca_handler;
-	ia64_mv_cmci_handler_t *cmci_handler;
-	ia64_mv_log_print_t *log_print;
 	ia64_mv_send_ipi_t *send_ipi;
 	ia64_mv_timer_interrupt_t *timer_interrupt;
 	ia64_mv_global_tlb_purge_t *global_tlb_purge;
@@ -184,10 +175,6 @@ struct ia64_machine_vector {
 	platform_setup,				\
 	platform_cpu_init,			\
 	platform_irq_init,			\
-	platform_mca_init,			\
-	platform_mca_handler,			\
-	platform_cmci_handler,			\
-	platform_log_print,			\
 	platform_send_ipi,			\
 	platform_timer_interrupt,		\
 	platform_global_tlb_purge,		\
@@ -250,31 +237,20 @@ extern ia64_mv_dma_supported		swiotlb_dma_supported;
  * to update the machvec files for all existing platforms.
  */
 #ifndef platform_setup
-# define platform_setup		((ia64_mv_setup_t *) machvec_noop)
+# define platform_setup			machvec_setup
 #endif
 #ifndef platform_cpu_init
-# define platform_cpu_init	((ia64_mv_cpu_init_t *) machvec_noop)
+# define platform_cpu_init		machvec_noop
 #endif
 #ifndef platform_irq_init
-# define platform_irq_init	((ia64_mv_irq_init_t *) machvec_noop)
-#endif
-#ifndef platform_mca_init
-# define platform_mca_init	((ia64_mv_mca_init_t *) machvec_noop)
-#endif
-#ifndef platform_mca_handler
-# define platform_mca_handler	((ia64_mv_mca_handler_t *) machvec_noop)
-#endif
-#ifndef platform_cmci_handler
-# define platform_cmci_handler	((ia64_mv_cmci_handler_t *) machvec_noop)
-#endif
-#ifndef platform_log_print
-# define platform_log_print	((ia64_mv_log_print_t *) machvec_noop)
+# define platform_irq_init		machvec_noop
 #endif
+
 #ifndef platform_send_ipi
 # define platform_send_ipi		ia64_send_ipi	/* default to architected version */
 #endif
 #ifndef platform_timer_interrupt
-# define platform_timer_interrupt 	((ia64_mv_timer_interrupt_t *) machvec_noop)
+# define platform_timer_interrupt 	machvec_timer_interrupt
 #endif
 #ifndef platform_global_tlb_purge
 # define platform_global_tlb_purge	ia64_global_tlb_purge /* default to architected version */

include/asm-ia64/machvec_hpzx1.h

@@ -26,10 +26,10 @@ extern ia64_mv_dma_supported		sba_dma_supported;
 #define platform_dma_unmap_single	sba_unmap_single
 #define platform_dma_map_sg		sba_map_sg
 #define platform_dma_unmap_sg		sba_unmap_sg
-#define platform_dma_sync_single_for_cpu ((ia64_mv_dma_sync_single_for_cpu *) machvec_memory_fence)
-#define platform_dma_sync_sg_for_cpu	((ia64_mv_dma_sync_sg_for_cpu *) machvec_memory_fence)
-#define platform_dma_sync_single_for_device ((ia64_mv_dma_sync_single_for_device *) machvec_memory_fence)
-#define platform_dma_sync_sg_for_device	((ia64_mv_dma_sync_sg_for_device *) machvec_memory_fence)
+#define platform_dma_sync_single_for_cpu	machvec_dma_sync_single
+#define platform_dma_sync_sg_for_cpu		machvec_dma_sync_sg
+#define platform_dma_sync_single_for_device	machvec_dma_sync_single
+#define platform_dma_sync_sg_for_device		machvec_dma_sync_sg
 #define platform_dma_supported			sba_dma_supported
 
 #endif /* _ASM_IA64_MACHVEC_HPZX1_h */