12 files changed, 29 insertions, 26 deletions

diff --git a/include/asm-m32r/Kbuild b/include/asm-m32r/Kbuild
new file mode 100644
index 000000000000..c68e1680da01
--- /dev/null
+++ b/include/asm-m32r/Kbuild
@@ -0,0 +1 @@
+include include/asm-generic/Kbuild.asm
diff --git a/include/asm-m32r/hw_irq.h b/include/asm-m32r/hw_irq.h
index 8d7e9d0e09e8..7138537cda03 100644
--- a/include/asm-m32r/hw_irq.h
+++ b/include/asm-m32r/hw_irq.h
@@ -1,9 +1,4 @@
 #ifndef _ASM_M32R_HW_IRQ_H
 #define _ASM_M32R_HW_IRQ_H
 
-static inline void hw_resend_irq(struct hw_interrupt_type *h, unsigned int i)
-{
-        /* Nothing to do */
-}
-
 #endif /* _ASM_M32R_HW_IRQ_H */
diff --git a/include/asm-m32r/page.h b/include/asm-m32r/page.h
index 9688be003620..404a4c24007b 100644
--- a/include/asm-m32r/page.h
+++ b/include/asm-m32r/page.h
@@ -87,10 +87,9 @@ typedef struct { unsigned long pgprot; } pgprot_t;
 
 #define devmem_is_allowed(x) 1
 
-#endif /* __KERNEL__ */
-
 #include <asm-generic/memory_model.h>
 #include <asm-generic/page.h>
 
+#endif /* __KERNEL__ */
 #endif /* _ASM_M32R_PAGE_H */
 
diff --git a/include/asm-m32r/pgtable-2level.h b/include/asm-m32r/pgtable-2level.h
index be0f167e344a..6a674e3d37a2 100644
--- a/include/asm-m32r/pgtable-2level.h
+++ b/include/asm-m32r/pgtable-2level.h
@@ -52,9 +52,13 @@ static inline int pgd_present(pgd_t pgd)	{ return 1; }
 #define set_pmd(pmdptr, pmdval) (*(pmdptr) = pmdval)
 #define set_pgd(pgdptr, pgdval) (*(pgdptr) = pgdval)
 
-#define pgd_page(pgd) \
+#define pgd_page_vaddr(pgd) \
 ((unsigned long) __va(pgd_val(pgd) & PAGE_MASK))
 
+#ifndef CONFIG_DISCONTIGMEM
+#define pgd_page(pgd)   (mem_map + ((pgd_val(pgd) >> PAGE_SHIFT) - PFN_BASE))
+#endif /* !CONFIG_DISCONTIGMEM */
+
 static inline pmd_t *pmd_offset(pgd_t * dir, unsigned long address)
 {
         return (pmd_t *) dir;
diff --git a/include/asm-m32r/pgtable.h b/include/asm-m32r/pgtable.h
index 1983b7f4527a..1c15ba7ce319 100644
--- a/include/asm-m32r/pgtable.h
+++ b/include/asm-m32r/pgtable.h
@@ -336,7 +336,7 @@ static inline void pmd_set(pmd_t * pmdp, pte_t * ptep)
         pmd_val(*pmdp) = (((unsigned long) ptep) & PAGE_MASK);
 }
 
-#define pmd_page_kernel(pmd)    \
+#define pmd_page_vaddr(pmd)     \
         ((unsigned long) __va(pmd_val(pmd) & PAGE_MASK))
 
 #ifndef CONFIG_DISCONTIGMEM
@@ -358,7 +358,7 @@ static inline void pmd_set(pmd_t * pmdp, pte_t * ptep)
 #define pte_index(address)      \
         (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
 #define pte_offset_kernel(dir, address) \
-        ((pte_t *)pmd_page_kernel(*(dir)) + pte_index(address))
+        ((pte_t *)pmd_page_vaddr(*(dir)) + pte_index(address))
 #define pte_offset_map(dir, address)    \
         ((pte_t *)page_address(pmd_page(*(dir))) + pte_index(address))
 #define pte_offset_map_nested(dir, address)     pte_offset_map(dir, address)
diff --git a/include/asm-m32r/ptrace.h b/include/asm-m32r/ptrace.h
index a07fa90314d2..2d2a6c97331e 100644
--- a/include/asm-m32r/ptrace.h
+++ b/include/asm-m32r/ptrace.h
@@ -12,8 +12,6 @@
  *   Copyright (C) 2001-2002, 2004  Hirokazu Takata <takata at linux-m32r.org>
  */
 
-#include <asm/m32r.h>           /* M32R_PSW_BSM, M32R_PSW_BPM */
-
 /* 0 - 13 are integer registers (general purpose registers).  */
 #define PT_R4           0
 #define PT_R5           1
@@ -140,6 +138,8 @@ struct pt_regs {
 
 #ifdef __KERNEL__
 
+#include <asm/m32r.h>           /* M32R_PSW_BSM, M32R_PSW_BPM */
+
 #define __ARCH_SYS_PTRACE       1
 
 #if defined(CONFIG_ISA_M32R2) || defined(CONFIG_CHIP_VDEC2)
diff --git a/include/asm-m32r/signal.h b/include/asm-m32r/signal.h
index 95f69b191953..65423bed32b1 100644
--- a/include/asm-m32r/signal.h
+++ b/include/asm-m32r/signal.h
@@ -6,7 +6,6 @@
 /* orig : i386 2.4.18 */
 
 #include <linux/types.h>
-#include <linux/linkage.h>
 #include <linux/time.h>
 #include <linux/compiler.h>
 
@@ -81,7 +80,6 @@ typedef unsigned long sigset_t;
  * SA_FLAGS values:
  *
  * SA_ONSTACK indicates that a registered stack_t will be used.
- * SA_INTERRUPT is a no-op, but left due to historical reasons. Use the
  * SA_RESTART flag to get restarting signals (which were the default long ago)
  * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
  * SA_RESETHAND clears the handler when the signal is delivered.
@@ -101,7 +99,6 @@ typedef unsigned long sigset_t;
 
 #define SA_NOMASK       SA_NODEFER
 #define SA_ONESHOT      SA_RESETHAND
-#define SA_INTERRUPT    0x20000000 /* dummy -- ignored */
 
 #define SA_RESTORER     0x04000000
 
diff --git a/include/asm-m32r/socket.h b/include/asm-m32r/socket.h
index 8b6680f223c0..acdf748fcdc8 100644
--- a/include/asm-m32r/socket.h
+++ b/include/asm-m32r/socket.h
@@ -48,5 +48,6 @@
 #define SO_ACCEPTCONN           30
 
 #define SO_PEERSEC              31
+#define SO_PASSSEC              34
 
 #endif /* _ASM_M32R_SOCKET_H */
diff --git a/include/asm-m32r/spinlock.h b/include/asm-m32r/spinlock.h
index f94c1a673569..f9f90727a4a1 100644
--- a/include/asm-m32r/spinlock.h
+++ b/include/asm-m32r/spinlock.h
@@ -298,7 +298,14 @@ static inline void __raw_write_unlock(raw_rwlock_t *rw)
         );
 }
 
-#define __raw_read_trylock(lock) generic__raw_read_trylock(lock)
+static inline int __raw_read_trylock(raw_rwlock_t *lock)
+{
+        atomic_t *count = (atomic_t*)lock;
+        if (atomic_dec_return(count) >= 0)
+                return 1;
+        atomic_inc(count);
+        return 0;
+}
 
 static inline int __raw_write_trylock(raw_rwlock_t *lock)
 {
diff --git a/include/asm-m32r/system.h b/include/asm-m32r/system.h
index 33567e8bfe6b..4ce0619f6989 100644
--- a/include/asm-m32r/system.h
+++ b/include/asm-m32r/system.h
@@ -18,7 +18,7 @@
  * switch_to(prev, next) should switch from task `prev' to `next'
  * `prev' will never be the same as `next'.
  *
- * `next' and `prev' should be task_t, but it isn't always defined
+ * `next' and `prev' should be struct task_struct, but it isn't always defined
  */
 
 #define switch_to(prev, next, last)  do { \
@@ -318,7 +318,7 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
  * does not enforce ordering, since there is no data dependency between
  * the read of "a" and the read of "b".  Therefore, on some CPUs, such
  * as Alpha, "y" could be set to 3 and "x" to 0.  Use rmb()
- * in cases like thiswhere there are no data dependencies.
+ * in cases like this where there are no data dependencies.
  **/
 
 #define read_barrier_depends()  do { } while (0)
@@ -328,16 +328,15 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
 #define smp_rmb()       rmb()
 #define smp_wmb()       wmb()
 #define smp_read_barrier_depends()      read_barrier_depends()
+#define set_mb(var, value) do { (void) xchg(&var, value); } while (0)
 #else
 #define smp_mb()        barrier()
 #define smp_rmb()       barrier()
 #define smp_wmb()       barrier()
 #define smp_read_barrier_depends()      do { } while (0)
+#define set_mb(var, value) do { var = value; barrier(); } while (0)
 #endif
 
-#define set_mb(var, value) do { xchg(&var, value); } while (0)
-#define set_wmb(var, value) do { var = value; wmb(); } while (0)
-
 #define arch_align_stack(x) (x)
 
 #endif  /* _ASM_M32R_SYSTEM_H */
diff --git a/include/asm-m32r/unistd.h b/include/asm-m32r/unistd.h
index cc31790d8077..5c6a9ac6cf1a 100644
--- a/include/asm-m32r/unistd.h
+++ b/include/asm-m32r/unistd.h
@@ -3,8 +3,6 @@
 
 /* $Id$ */
 
-#include <asm/syscall.h>        /* SYSCALL_* */
-
 /*
  * This file contains the system call numbers.
  */
@@ -298,14 +296,17 @@
 #ifdef __KERNEL__
 
 #define NR_syscalls 285
+#include <linux/err.h>
 
-/* user-visible error numbers are in the range -1 - -124: see
+/* user-visible error numbers are in the range -1 - -MAX_ERRNO: see
  * <asm-m32r/errno.h>
  */
 
+#include <asm/syscall.h>        /* SYSCALL_* */
+
 #define __syscall_return(type, res) \
 do { \
-        if ((unsigned long)(res) >= (unsigned long)(-(124 + 1))) { \
+        if ((unsigned long)(res) >= (unsigned long)(-MAX_ERRNO)) { \
         /* Avoid using "res" which is declared to be in register r0; \
            errno might expand to a function call and clobber it.  */ \
                 int __err = -(res); \
diff --git a/include/asm-m32r/user.h b/include/asm-m32r/user.h
index 2ffd0c65a782..1ad4ded8483b 100644
--- a/include/asm-m32r/user.h
+++ b/include/asm-m32r/user.h
@@ -8,7 +8,6 @@
  */
 
 #include <linux/types.h>
-#include <asm/processor.h>
 #include <asm/ptrace.h>
 #include <asm/page.h>