7 files changed, 5 insertions, 30 deletions
diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig
index 95474460b367..87cde1e4b38c 100644
--- a/arch/m32r/Kconfig
+++ b/arch/m32r/Kconfig
@@ -19,6 +19,7 @@ config M32R
 	select HAVE_DEBUG_STACKOVERFLOW
 	select CPU_NO_EFFICIENT_FFS
 	select DMA_NOOP_OPS
+	select ARCH_NO_COHERENT_DMA_MMAP if !MMU
 
 config SBUS
 	bool
diff --git a/arch/m32r/include/asm/dma-mapping.h b/arch/m32r/include/asm/dma-mapping.h
index c01d9f52d228..aff3ae8b62f7 100644
--- a/arch/m32r/include/asm/dma-mapping.h
+++ b/arch/m32r/include/asm/dma-mapping.h
@@ -8,8 +8,6 @@
 #include <linux/dma-debug.h>
 #include <linux/io.h>
 
-#define DMA_ERROR_CODE (~(dma_addr_t)0x0)
-
 static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
 {
 	return &dma_noop_ops;
diff --git a/arch/m32r/include/asm/uaccess.h b/arch/m32r/include/asm/uaccess.h
index 07be349c00ad..496c4716dbc8 100644
--- a/arch/m32r/include/asm/uaccess.h
+++ b/arch/m32r/include/asm/uaccess.h
@@ -482,8 +482,6 @@ raw_copy_to_user(void __user *to, const void *from, unsigned long n)
 
 long __must_check strncpy_from_user(char *dst, const char __user *src,
 				long count);
-long __must_check __strncpy_from_user(char *dst,
-				const char __user *src, long count);
 
 /**
  * __clear_user: - Zero a block of memory in user space, with less checking.
@@ -511,22 +509,6 @@ unsigned long __clear_user(void __user *mem, unsigned long len);
  */
 unsigned long clear_user(void __user *mem, unsigned long len);
 
-/**
- * strlen_user: - Get the size of a string in user space.
- * @str: The string to measure.
- *
- * Context: User context only. This function may sleep if pagefaults are
- *          enabled.
- *
- * Get the size of a NUL-terminated string in user space.
- *
- * Returns the size of the string INCLUDING the terminating NUL.
- * On exception, returns 0.
- *
- * If there is a limit on the length of a valid string, you may wish to
- * consider using strnlen_user() instead.
- */
-#define strlen_user(str) strnlen_user(str, ~0UL >> 1)
 long strnlen_user(const char __user *str, long n);
 
 #endif /* _ASM_M32R_UACCESS_H */
diff --git a/arch/m32r/include/asm/unistd.h b/arch/m32r/include/asm/unistd.h
index 59db80193454..de602533a3bd 100644
--- a/arch/m32r/include/asm/unistd.h
+++ b/arch/m32r/include/asm/unistd.h
@@ -18,7 +18,6 @@
 #define __ARCH_WANT_SYS_FADVISE64
 #define __ARCH_WANT_SYS_GETPGRP
 #define __ARCH_WANT_SYS_LLSEEK
-#define __ARCH_WANT_SYS_OLD_GETRLIMIT /*will be unused*/
 #define __ARCH_WANT_SYS_OLDUMOUNT
 #define __ARCH_WANT_SYS_CLONE
 #define __ARCH_WANT_SYS_FORK
diff --git a/arch/m32r/include/uapi/asm/socket.h b/arch/m32r/include/uapi/asm/socket.h
index ae6548d29a18..f8f7b47e247f 100644
--- a/arch/m32r/include/uapi/asm/socket.h
+++ b/arch/m32r/include/uapi/asm/socket.h
@@ -98,4 +98,8 @@
 
 #define SO_COOKIE		57
 
+#define SCM_TIMESTAMPING_PKTINFO	58
+
+#define SO_PEERGROUPS		59
+
 #endif /* _ASM_M32R_SOCKET_H */
diff --git a/arch/m32r/kernel/m32r_ksyms.c b/arch/m32r/kernel/m32r_ksyms.c
index a4d43b5cc102..68da6b800453 100644
--- a/arch/m32r/kernel/m32r_ksyms.c
+++ b/arch/m32r/kernel/m32r_ksyms.c
@@ -23,7 +23,6 @@ EXPORT_SYMBOL(__ioremap);
 EXPORT_SYMBOL(iounmap);
 
 EXPORT_SYMBOL(strncpy_from_user);
-EXPORT_SYMBOL(__strncpy_from_user);
 EXPORT_SYMBOL(clear_user);
 EXPORT_SYMBOL(__clear_user);
 EXPORT_SYMBOL(strnlen_user);
diff --git a/arch/m32r/lib/usercopy.c b/arch/m32r/lib/usercopy.c
index b3ef2c899f96..b723b11107c7 100644
--- a/arch/m32r/lib/usercopy.c
+++ b/arch/m32r/lib/usercopy.c
@@ -89,14 +89,6 @@ do {									\
 #endif /* CONFIG_ISA_DUAL_ISSUE */
 
 long
-__strncpy_from_user(char *dst, const char __user *src, long count)
-{
-	long res;
-	__do_strncpy_from_user(dst, src, count, res);
-	return res;
-}
-
-long
 strncpy_from_user(char *dst, const char __user *src, long count)
 {
 	long res = -EFAULT;