5 files changed, 9 insertions, 12 deletions
diff --git a/arch/csky/configs/defconfig b/arch/csky/configs/defconfig
index af722e4df..ff559e516 100644
--- a/arch/csky/configs/defconfig
+++ b/arch/csky/configs/defconfig
@@ -34,7 +34,8 @@ CONFIG_GENERIC_PHY=y
 CONFIG_EXT4_FS=y
 CONFIG_FANOTIFY=y
 CONFIG_QUOTA=y
-CONFIG_FSCACHE=m
+CONFIG_NETFS_SUPPORT=m
+CONFIG_FSCACHE=y
 CONFIG_FSCACHE_STATS=y
 CONFIG_CACHEFILES=m
 CONFIG_MSDOS_FS=y
diff --git a/arch/csky/include/asm/ftrace.h b/arch/csky/include/asm/ftrace.h
index 9b8634173..fd215c38e 100644
--- a/arch/csky/include/asm/ftrace.h
+++ b/arch/csky/include/asm/ftrace.h
@@ -26,5 +26,9 @@ static inline unsigned long ftrace_call_adjust(unsigned long addr)
 
 struct dyn_arch_ftrace {
 };
+
+void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr,
+			   unsigned long frame_pointer);
+
 #endif /* !__ASSEMBLY__ */
 #endif /* __ASM_CSKY_FTRACE_H */
diff --git a/arch/csky/include/asm/traps.h b/arch/csky/include/asm/traps.h
index 732c4aaa2..6bbbbe431 100644
--- a/arch/csky/include/asm/traps.h
+++ b/arch/csky/include/asm/traps.h
@@ -55,6 +55,6 @@ asmlinkage void trap_c(struct pt_regs *regs);
 asmlinkage void do_notify_resume(struct pt_regs *regs,
 			unsigned long thread_info_flags);
 
-void trap_init(void);
+asmlinkage void do_page_fault(struct pt_regs *regs);
 
 #endif /* __ASM_CSKY_TRAPS_H */
diff --git a/arch/csky/kernel/traps.c b/arch/csky/kernel/traps.c
index 6e426fba0..c2246b07c 100644
--- a/arch/csky/kernel/traps.c
+++ b/arch/csky/kernel/traps.c
@@ -1,6 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0
 // Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
 
+#include <linux/cpu.h>
 #include <linux/sched.h>
 #include <linux/signal.h>
 #include <linux/kernel.h>
diff --git a/arch/csky/kernel/vdso/vgettimeofday.c b/arch/csky/kernel/vdso/vgettimeofday.c
index c4831145e..55af30e83 100644
--- a/arch/csky/kernel/vdso/vgettimeofday.c
+++ b/arch/csky/kernel/vdso/vgettimeofday.c
@@ -2,36 +2,27 @@
 
 #include <linux/time.h>
 #include <linux/types.h>
+#include <vdso/gettime.h>
 
 extern
 int __vdso_clock_gettime(clockid_t clock,
-			 struct old_timespec32 *ts);
-int __vdso_clock_gettime(clockid_t clock,
 			 struct old_timespec32 *ts)
 {
 	return __cvdso_clock_gettime32(clock, ts);
 }
 
 int __vdso_clock_gettime64(clockid_t clock,
-			   struct __kernel_timespec *ts);
-int __vdso_clock_gettime64(clockid_t clock,
 			   struct __kernel_timespec *ts)
 {
 	return __cvdso_clock_gettime(clock, ts);
 }
 
-extern
-int __vdso_gettimeofday(struct __kernel_old_timeval *tv,
-			struct timezone *tz);
 int __vdso_gettimeofday(struct __kernel_old_timeval *tv,
 			struct timezone *tz)
 {
 	return __cvdso_gettimeofday(tv, tz);
 }
 
-extern
-int __vdso_clock_getres(clockid_t clock_id,
-			struct old_timespec32 *res);
 int __vdso_clock_getres(clockid_t clock_id,
 			struct old_timespec32 *res)
 {