Warning cleanup.

arch/alpha/kernel/core_titan.c

@@ -279,7 +279,6 @@ static void __init
 titan_init_one_pachip_port(titan_pachip_port *port, int index)
 {
 	struct pci_controller *hose;
-	unsigned long sg_size;
 
 	hose = alloc_pci_controller();
 	if (index == 0)

arch/alpha/kernel/proto.h

@@ -162,9 +162,9 @@ extern struct mcheck_info
 	unsigned char extra;
 } __mcheck_info;
 
-#define mcheck_expected(cpu)	(__mcheck_info.expected)
-#define mcheck_taken(cpu)	(__mcheck_info.taken)
-#define mcheck_extra(cpu)	(__mcheck_info.extra)
+#define mcheck_expected(cpu)	((void)(cpu), __mcheck_info.expected)
+#define mcheck_taken(cpu)	((void)(cpu), __mcheck_info.taken)
+#define mcheck_extra(cpu)	((void)(cpu), __mcheck_info.extra)
 #endif
 
 #define DEBUG_MCHECK 0          /* 0 = minimal, 1 = debug, 2 = debug+dump.  */

arch/alpha/kernel/sys_titan.c

@@ -84,8 +84,8 @@ titan_update_irq_hw(unsigned long mask)
 	*dim3;
 #else
 	volatile unsigned long *dimB;
-	if (bcpu == 0) dimB = &cchip->dim0.csr;
-	else if (bcpu == 1) dimB = &cchip->dim1.csr;
+	dimB = &cchip->dim0.csr;
+	if (bcpu == 1) dimB = &cchip->dim1.csr;
 	else if (bcpu == 2) dimB = &cchip->dim2.csr;
 	else if (bcpu == 3) dimB = &cchip->dim3.csr;
 
@@ -190,9 +190,6 @@ init_titan_irqs(struct hw_interrupt_type * ops, int imin, int imax)
 static void __init
 privateer_init_irq(void)
 {
-	extern asmlinkage void entInt(void);
-	int cpu;
-
 	outb(0, DMA1_RESET_REG);
 	outb(0, DMA2_RESET_REG);
 	outb(DMA_MODE_CASCADE, DMA2_MODE_REG);