ppc64: fix compile warnings

arch/ppc64/kernel/prom.c

@@ -1060,12 +1060,11 @@ unsigned long __init
 prom_init(unsigned long r3, unsigned long r4, unsigned long pp,
 	  unsigned long r6, unsigned long r7)
 {
-	int chrp = 0;
 	unsigned long mem;
-	ihandle prom_mmu, prom_op, prom_root, prom_cpu;
+	ihandle prom_root, prom_cpu;
 	phandle cpu_pkg;
 	unsigned long offset = reloc_offset();
-	long l, sz;
+	long l;
 	char *p, *d;
  	unsigned long phys;
         u32 getprop_rval;

arch/ppc64/kernel/setup.c

@@ -193,9 +193,9 @@ void setup_system(unsigned long r3, unsigned long r4, unsigned long r5,
 	printk("naca                          = 0x%p\n", naca);
 	printk("naca->pftSize                 = 0x%lx\n", naca->pftSize);
 	printk("naca->debug_switch            = 0x%lx\n", naca->debug_switch);
-	printk("naca->interrupt_controller    = 0x%d\n", naca->interrupt_controller);
-	printk("systemcf                      = 0x%p\n", systemcfg);
-	printk("systemcfg->processorCount     = 0x%x\n", systemcfg->processorCount);
+	printk("naca->interrupt_controller    = 0x%lx\n", naca->interrupt_controller);
+	printk("systemcfg                      = 0x%p\n", systemcfg);
+	printk("systemcfg->processorCount     = 0x%lx\n", systemcfg->processorCount);
 	printk("systemcfg->physicalMemorySize = 0x%lx\n", systemcfg->physicalMemorySize);
 	printk("systemcfg->dCacheL1LineSize   = 0x%x\n", systemcfg->dCacheL1LineSize);
 	printk("systemcfg->iCacheL1LineSize   = 0x%x\n", systemcfg->iCacheL1LineSize);

arch/ppc64/kernel/signal.c

@@ -69,13 +69,11 @@ struct rt_sigframe {
 };
 
 
-extern int do_signal(sigset_t *oldset, struct pt_regs *regs);
-
 /*
  * Atomically swap in the new signal mask, and wait for a signal.
  */
-long sys_rt_sigsuspend(sigset_t *unewset, size_t sigsetsize, int p3, int p4, int p6,
-		  int p7, struct pt_regs *regs)
+long sys_rt_sigsuspend(sigset_t *unewset, size_t sigsetsize, int p3, int p4,
+		       int p6, int p7, struct pt_regs *regs)
 {
 	sigset_t saveset, newset;
 
@@ -390,8 +388,6 @@ syscall_restart(struct pt_regs *regs, struct k_sigaction *ka)
  * want to handle. Thus you cannot kill init even with a SIGKILL even by
  * mistake.
  */
-extern int do_signal32(sigset_t *oldset, struct pt_regs *regs);
-
 int do_signal(sigset_t *oldset, struct pt_regs *regs)
 {
 	siginfo_t info;

arch/ppc64/kernel/signal32.c

@@ -563,10 +563,6 @@ long sys32_rt_sigaction(int sig, const struct sigaction32 *act,
 	return ret;
 }
 
-
-extern long sys_rt_sigprocmask(int how, sigset_t *set,
-		sigset_t *oset, size_t sigsetsize);
-
 /*
  * Note: it is necessary to treat how as an unsigned int, with the
  * corresponding cast to a signed int to insure that the proper
@@ -613,10 +609,6 @@ long sys32_rt_sigprocmask(u32 how, compat_sigset_t *set,
 	return 0;
 }
 
-
-extern long sys_rt_sigpending(sigset_t *set, size_t sigsetsize);
-
-
 long sys32_rt_sigpending(compat_sigset_t *set, compat_size_t sigsetsize)
 {
 	sigset_t s;
@@ -683,11 +675,6 @@ static int copy_siginfo_to_user32(siginfo_t32 *d, siginfo_t *s)
 	return err;
 }
 
-
-extern long sys_rt_sigtimedwait(const sigset_t *uthese,
-		siginfo_t *uinfo, const struct timespec *uts,
-		size_t sigsetsize);
-
 long sys32_rt_sigtimedwait(compat_sigset_t *uthese, siginfo_t32 *uinfo,
 		struct compat_timespec *uts, compat_size_t sigsetsize)
 {
@@ -758,9 +745,6 @@ static siginfo_t * siginfo32to64(siginfo_t *d, siginfo_t32 *s)
 	return d;
 }
 
-
-extern long sys_rt_sigqueueinfo(int pid, int sig, siginfo_t *uinfo);
-
 /*
  * Note: it is necessary to treat pid and sig as unsigned ints, with the
  * corresponding cast to a signed int to insure that the proper conversion
@@ -786,8 +770,6 @@ long sys32_rt_sigqueueinfo(u32 pid, u32 sig, siginfo_t32 *uinfo)
 	return ret;
 }
 
-extern int do_signal(sigset_t *oldset, struct pt_regs *regs);
-
 int sys32_rt_sigsuspend(compat_sigset_t* unewset, size_t sigsetsize, int p3,
 		int p4, int p6, int p7, struct pt_regs *regs)
 {

arch/ppc64/kernel/traps.c

@@ -346,11 +346,11 @@ ProgramCheckException(struct pt_regs *regs)
 	}
 }
 
- void
+void
 KernelFPUnavailableException(struct pt_regs *regs)
 {
-	printk("Illegal floating point used in kernel (task=0x%016lx, pc=0x%016lx, trap=0x%08x)\n",
-		current, regs->nip, regs->trap);
+	printk("Illegal floating point used in kernel (task=0x%p, "
+		"pc=0x%016lx, trap=0x%lx)\n", current, regs->nip, regs->trap);
 	panic("Unrecoverable FP Unavailable Exception in Kernel");
 }
 

include/asm-ppc64/signal.h

@@ -2,6 +2,7 @@
 #define _ASMPPC64_SIGNAL_H
 
 #include <linux/types.h>
+#include <asm/siginfo.h>
 
 /* Avoid too many header ordering problems.  */
 struct siginfo;
@@ -72,19 +73,19 @@ typedef struct {
  * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
  * Unix names RESETHAND and NODEFER respectively.
  */
-#define SA_NOCLDSTOP	0x00000001
-#define SA_NOCLDWAIT	0x00000002
-#define SA_SIGINFO	0x00000004
-#define SA_ONSTACK	0x08000000
-#define SA_RESTART	0x10000000
-#define SA_NODEFER	0x40000000
-#define SA_RESETHAND	0x80000000
+#define SA_NOCLDSTOP	0x00000001u
+#define SA_NOCLDWAIT	0x00000002u
+#define SA_SIGINFO	0x00000004u
+#define SA_ONSTACK	0x08000000u
+#define SA_RESTART	0x10000000u
+#define SA_NODEFER	0x40000000u
+#define SA_RESETHAND	0x80000000u
 
 #define SA_NOMASK	SA_NODEFER
 #define SA_ONESHOT	SA_RESETHAND
-#define SA_INTERRUPT	0x20000000 /* dummy -- ignored */
+#define SA_INTERRUPT	0x20000000u /* dummy -- ignored */
 
-#define SA_RESTORER	0x04000000
+#define SA_RESTORER	0x04000000u
 
 /* 
  * sigaltstack controls
@@ -143,6 +144,16 @@ typedef struct sigaltstack {
 	size_t ss_size;
 } stack_t;
 
+struct pt_regs;
+struct timespec;
+extern int do_signal(sigset_t *oldset, struct pt_regs *regs);
+extern int do_signal32(sigset_t *oldset, struct pt_regs *regs);
+extern long sys_rt_sigprocmask(int how, sigset_t *set, sigset_t *oset,
+			       size_t sigsetsize);
+extern long sys_rt_sigpending(sigset_t *set, size_t sigsetsize);
+extern long sys_rt_sigtimedwait(const sigset_t *uthese, siginfo_t *uinfo,
+				const struct timespec *uts, size_t sigsetsize);
+extern long sys_rt_sigqueueinfo(int pid, int sig, siginfo_t *uinfo);
 #define ptrace_signal_deliver(regs, cookie) do { } while (0)
 
 #endif /* _ASMPPC64_SIGNAL_H */

include/asm-ppc64/system.h

@@ -83,6 +83,7 @@ extern void show_regs(struct pt_regs * regs);
 extern void flush_instruction_cache(void);
 extern int _get_PVR(void);
 extern void giveup_fpu(struct task_struct *);
+extern void disable_kernel_fp(void);
 extern void enable_kernel_fp(void);
 extern void cvt_fd(float *from, double *to, unsigned long *fpscr);
 extern void cvt_df(double *from, float *to, unsigned long *fpscr);