powerpc: Fix various compile errors with ARCH=ppc, ppc64 and powerpc

This makes ppc use the syscalls.c from arch/powerpc/kernel, exports
copy_and_flush from head_32.S for use by prom_init.c (ARCH=powerpc),
and consolidates the sys_fadvise64_64 implementations for 32-bit.

Signed-off-by: Paul Mackerras <paulus@samba.org>

6 files changed, 14 insertions, 15 deletions

diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index a5f2eb5f89ce..29cda0732703 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -121,7 +121,6 @@ head-$(CONFIG_4xx)		:= arch/powerpc/kernel/head_4xx.o
 head-$(CONFIG_44x)		:= arch/powerpc/kernel/head_44x.o
 head-$(CONFIG_FSL_BOOKE)	:= arch/powerpc/kernel/head_fsl_booke.o
 
-head-$(CONFIG_6xx)		+= arch/powerpc/kernel/idle_6xx.o
 head-$(CONFIG_PPC64)		+= arch/powerpc/kernel/entry_64.o
 head-$(CONFIG_PPC_FPU)		+= arch/powerpc/kernel/fpu.o
 
diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
index 043ddd09521d..01b6d630edc9 100644
--- a/arch/powerpc/kernel/Makefile
+++ b/arch/powerpc/kernel/Makefile
@@ -10,7 +10,8 @@ CFLAGS_prom_init.o      += -fPIC
 CFLAGS_btext.o		+= -fPIC
 endif
 
-obj-y				:= semaphore.o cputable.o ptrace.o signal_32.o
+obj-y				:= semaphore.o cputable.o ptrace.o syscalls.o \
+				   signal_32.o
 obj-$(CONFIG_PPC64)		+= binfmt_elf32.o sys_ppc32.o
 obj-$(CONFIG_ALTIVEC)		+= vecemu.o vector.o
 obj-$(CONFIG_POWER4)		+= idle_power4.o
@@ -24,14 +25,13 @@ extra-$(CONFIG_40x)		:= head_4xx.o
 extra-$(CONFIG_44x)		:= head_44x.o
 extra-$(CONFIG_FSL_BOOKE)	:= head_fsl_booke.o
 extra-$(CONFIG_8xx)		:= head_8xx.o
-extra-$(CONFIG_6xx)		+= idle_6xx.o
 extra-$(CONFIG_PPC64)		+= entry_64.o
 extra-$(CONFIG_PPC_FPU)		+= fpu.o
 extra-y				+= vmlinux.lds
 
 obj-y				+= process.o init_task.o \
-				   prom.o systbl.o traps.o syscalls.o
-obj-$(CONFIG_PPC32)		+= entry_32.o setup_32.o misc_32.o
+				   prom.o systbl.o traps.o
+obj-$(CONFIG_PPC32)		+= entry_32.o idle_6xx.o setup_32.o misc_32.o
 obj-$(CONFIG_PPC64)		+= setup_64.o misc_64.o
 obj-$(CONFIG_PPC_OF)		+= prom_init.o
 obj-$(CONFIG_MODULES)		+= ppc_ksyms.o
@@ -44,7 +44,7 @@ endif
 
 else
 # stuff used from here for ARCH=ppc or ARCH=ppc64
-obj-$(CONFIG_PPC64)		+= traps.o process.o init_task.o syscalls.o
+obj-$(CONFIG_PPC64)		+= traps.o process.o init_task.o
 
 fpux-$(CONFIG_PPC32)		+= fpu.o
 extra-$(CONFIG_PPC_FPU)		+= $(fpux-y)
diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S
index 7ef9a3e3002b..cd51fe585fcd 100644
--- a/arch/powerpc/kernel/head_32.S
+++ b/arch/powerpc/kernel/head_32.S
@@ -831,7 +831,7 @@ relocate_kernel:
  * r3 = dest addr, r4 = source addr, r5 = copy limit, r6 = start offset
  * on exit, r3, r4, r5 are unchanged, r6 is updated to be >= r5.
  */
-copy_and_flush:
+_GLOBAL(copy_and_flush)
 	addi	r5,r5,-4
 	addi	r6,r6,-4
 4:	li	r0,L1_CACHE_BYTES/4
diff --git a/arch/powerpc/kernel/sys_ppc32.c b/arch/powerpc/kernel/sys_ppc32.c
index 9babe055356e..2f1e41a82876 100644
--- a/arch/powerpc/kernel/sys_ppc32.c
+++ b/arch/powerpc/kernel/sys_ppc32.c
@@ -1069,13 +1069,6 @@ long ppc32_fadvise64(int fd, u32 unused, u32 offset_high, u32 offset_low,
 			     advice);
 }
 
-long ppc32_fadvise64_64(int fd, int advice, u32 offset_high, u32 offset_low,
-			u32 len_high, u32 len_low)
-{
-	return sys_fadvise64(fd, (u64)offset_high << 32 | offset_low,
-			     (u64)len_high << 32 | len_low, advice);
-}
-
 long ppc32_timer_create(clockid_t clock,
 			struct compat_sigevent __user *ev32,
 			timer_t __user *timer_id)
diff --git a/arch/powerpc/kernel/syscalls.c b/arch/powerpc/kernel/syscalls.c
index 3e3a4f67de96..7a23721365a6 100644
--- a/arch/powerpc/kernel/syscalls.c
+++ b/arch/powerpc/kernel/syscalls.c
@@ -336,6 +336,13 @@ time_t sys64_time(time_t __user * tloc)
 }
 #endif
 
+long ppc_fadvise64_64(int fd, int advice, u32 offset_high, u32 offset_low,
+		      u32 len_high, u32 len_low)
+{
+	return sys_fadvise64(fd, (u64)offset_high << 32 | offset_low,
+			     (u64)len_high << 32 | len_low, advice);
+}
+
 void do_show_syscall(unsigned long r3, unsigned long r4, unsigned long r5,
 		     unsigned long r6, unsigned long r7, unsigned long r8,
 		     struct pt_regs *regs)
diff --git a/arch/powerpc/kernel/systbl.S b/arch/powerpc/kernel/systbl.S
index b364141ec01c..1b807f79d5da 100644
--- a/arch/powerpc/kernel/systbl.S
+++ b/arch/powerpc/kernel/systbl.S
@@ -297,7 +297,7 @@ SYSCALL32(tgkill)
 SYSCALL32(utimes)
 COMPAT_SYS(statfs64)
 COMPAT_SYS(fstatfs64)
-SYSX(sys_ni_syscall, ppc32_fadvise64_64, sys_fadvise64_64)
+SYSX(sys_ni_syscall, ppc_fadvise64_64, ppc_fadvise64_64)
 PPC_SYS(rtas)
 OLDSYS(debug_setcontext)
 SYSCALL(ni_syscall)