Pull release into acpica branch

13 files changed, 107 insertions, 27 deletions

diff --git a/include/asm-m32r/atomic.h b/include/asm-m32r/atomic.h
index bfff69a49936..ef1fb8ea4726 100644
--- a/include/asm-m32r/atomic.h
+++ b/include/asm-m32r/atomic.h
@@ -242,6 +242,27 @@ static __inline__ int atomic_dec_return(atomic_t *v)
  */
 #define atomic_add_negative(i,v) (atomic_add_return((i), (v)) < 0)
 
+#define atomic_cmpxchg(v, o, n) ((int)cmpxchg(&((v)->counter), (o), (n)))
+
+/**
+ * atomic_add_unless - add unless the number is a given value
+ * @v: pointer of type atomic_t
+ * @a: the amount to add to v...
+ * @u: ...unless v is equal to u.
+ *
+ * Atomically adds @a to @v, so long as it was not @u.
+ * Returns non-zero if @v was not @u, and zero otherwise.
+ */
+#define atomic_add_unless(v, a, u)				\
+({								\
+	int c, old;						\
+	c = atomic_read(v);					\
+	while (c != (u) && (old = atomic_cmpxchg((v), c, c + (a))) != c) \
+		c = old;					\
+	c != (u);						\
+})
+#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)
+
 static __inline__ void atomic_clear_mask(unsigned long  mask, atomic_t *addr)
 {
 	unsigned long flags;
diff --git a/include/asm-m32r/dma-mapping.h b/include/asm-m32r/dma-mapping.h
index 3a2db28834b6..a7fa0302bda7 100644
--- a/include/asm-m32r/dma-mapping.h
+++ b/include/asm-m32r/dma-mapping.h
@@ -8,7 +8,7 @@
 
 static inline void *
 dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
-		   int flag)
+		   gfp_t flag)
 {
 	return (void *)NULL;
 }
diff --git a/include/asm-m32r/ide.h b/include/asm-m32r/ide.h
index 194393bd8beb..f7aa96970d18 100644
--- a/include/asm-m32r/ide.h
+++ b/include/asm-m32r/ide.h
@@ -25,18 +25,21 @@
 # endif
 #endif
 
-#if defined(CONFIG_PLAT_M32700UT)
-#include <asm/irq.h>
-#include <asm/m32700ut/m32700ut_pld.h>
-#endif
+#include <asm/m32r.h>
+
 
 #define IDE_ARCH_OBSOLETE_DEFAULTS
 
 static __inline__ int ide_default_irq(unsigned long base)
 {
 	switch (base) {
-#if defined(CONFIG_PLAT_M32700UT) || defined(CONFIG_PLAT_MAPPI2) || defined(CONFIG_PLAT_MAPPI3)
+#if defined(CONFIG_PLAT_M32700UT) || defined(CONFIG_PLAT_MAPPI2)
+		case 0x1f0: return PLD_IRQ_CFIREQ;
+		default:
+			return 0;
+#elif defined(CONFIG_PLAT_MAPPI3)
 		case 0x1f0: return PLD_IRQ_CFIREQ;
+		case 0x170: return PLD_IRQ_IDEIREQ;
 		default:
 			return 0;
 #else
diff --git a/include/asm-m32r/io.h b/include/asm-m32r/io.h
index 8e9e481e6996..70ad1c949c2b 100644
--- a/include/asm-m32r/io.h
+++ b/include/asm-m32r/io.h
@@ -60,7 +60,7 @@ __ioremap(unsigned long offset, unsigned long size, unsigned long flags);
  *	address.
  */
 
-static inline void * ioremap(unsigned long offset, unsigned long size)
+static inline void __iomem *ioremap(unsigned long offset, unsigned long size)
 {
 	return __ioremap(offset, size, 0);
 }
diff --git a/include/asm-m32r/mappi3/mappi3_pld.h b/include/asm-m32r/mappi3/mappi3_pld.h
index 3f1551f7f01f..1d3c25d61bcb 100644
--- a/include/asm-m32r/mappi3/mappi3_pld.h
+++ b/include/asm-m32r/mappi3/mappi3_pld.h
@@ -59,7 +59,7 @@
 #define  M32R_IRQ_I2C          (28)  /* I2C-BUS     */
 #define  PLD_IRQ_CFIREQ       (6)  /* INT5 CFC Card Interrupt */
 #define  PLD_IRQ_CFC_INSERT   (7)  /* INT6 CFC Card Insert */
-#define  PLD_IRQ_CFC_EJECT    (8)  /* INT7 CFC Card Eject */
+#define  PLD_IRQ_IDEIREQ      (8)  /* INT7 IDE Interrupt   */
 #define  PLD_IRQ_MMCCARD      (43)  /* MMC Card Insert */
 #define  PLD_IRQ_MMCIRQ       (44)  /* MMC Transfer Done */
 
diff --git a/include/asm-m32r/mmzone.h b/include/asm-m32r/mmzone.h
index d58878ec899e..adc7970a77ec 100644
--- a/include/asm-m32r/mmzone.h
+++ b/include/asm-m32r/mmzone.h
@@ -21,12 +21,6 @@ extern struct pglist_data *node_data[];
 	__pgdat->node_start_pfn + __pgdat->node_spanned_pages - 1;	\
 })
 
-#define local_mapnr(kvaddr)						\
-({									\
-	unsigned long __pfn = __pa(kvaddr) >> PAGE_SHIFT;		\
-	(__pfn - node_start_pfn(pfn_to_nid(__pfn)));			\
-})
-
 #define pfn_to_page(pfn)						\
 ({									\
 	unsigned long __pfn = pfn;					\
diff --git a/include/asm-m32r/pgtable.h b/include/asm-m32r/pgtable.h
index 388e5ee9fa27..75740debcd01 100644
--- a/include/asm-m32r/pgtable.h
+++ b/include/asm-m32r/pgtable.h
@@ -27,6 +27,9 @@
 #include <asm/bitops.h>
 #include <asm/page.h>
 
+struct mm_struct;
+struct vm_area_struct;
+
 extern pgd_t swapper_pg_dir[1024];
 extern void paging_init(void);
 
@@ -324,8 +327,6 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
 	return pte;
 }
 
-#define page_pte(page)	page_pte_prot(page, __pgprot(0))
-
 /*
  * Conversion functions: convert a page and protection to a page entry,
  * and a page entry and page directory to the page they refer to.
diff --git a/include/asm-m32r/ptrace.h b/include/asm-m32r/ptrace.h
index 976417126b2d..55cd7ecfde43 100644
--- a/include/asm-m32r/ptrace.h
+++ b/include/asm-m32r/ptrace.h
@@ -145,6 +145,9 @@ struct pt_regs {
 #define PTRACE_O_TRACESYSGOOD	0x00000001
 
 #ifdef __KERNEL__
+
+#define __ARCH_SYS_PTRACE	1
+
 #if defined(CONFIG_ISA_M32R2) || defined(CONFIG_CHIP_VDEC2)
 #define user_mode(regs) ((M32R_PSW_BPM & (regs)->psw) != 0)
 #elif defined(CONFIG_ISA_M32R)
diff --git a/include/asm-m32r/semaphore.h b/include/asm-m32r/semaphore.h
index 53e3c60f21ec..bf447c52a0a1 100644
--- a/include/asm-m32r/semaphore.h
+++ b/include/asm-m32r/semaphore.h
@@ -32,9 +32,6 @@ struct semaphore {
 	.wait		= __WAIT_QUEUE_HEAD_INITIALIZER((name).wait)	\
 }
 
-#define __MUTEX_INITIALIZER(name) \
-	__SEMAPHORE_INITIALIZER(name,1)
-
 #define __DECLARE_SEMAPHORE_GENERIC(name,count) \
 	struct semaphore name = __SEMAPHORE_INITIALIZER(name,count)
 
diff --git a/include/asm-m32r/system.h b/include/asm-m32r/system.h
index 73348c3f858b..5eee832b73a0 100644
--- a/include/asm-m32r/system.h
+++ b/include/asm-m32r/system.h
@@ -11,6 +11,7 @@
  */
 
 #include <linux/config.h>
+#include <asm/assembler.h>
 
 #ifdef __KERNEL__
 
@@ -132,8 +133,6 @@ static inline void local_irq_disable(void)
 		!(flags & 0x40);			\
 	})
 
-#endif  /* __KERNEL__ */
-
 #define nop()	__asm__ __volatile__ ("nop" : : )
 
 #define xchg(ptr,x) \
@@ -213,6 +212,67 @@ static __inline__ unsigned long __xchg(unsigned long x, volatile void * ptr,
 	return (tmp);
 }
 
+#define __HAVE_ARCH_CMPXCHG	1
+
+static __inline__ unsigned long
+__cmpxchg_u32(volatile unsigned int *p, unsigned int old, unsigned int new)
+{
+	unsigned long flags;
+	unsigned int retval;
+
+	local_irq_save(flags);
+	__asm__ __volatile__ (
+			DCACHE_CLEAR("%0", "r4", "%1")
+			M32R_LOCK" %0, @%1;	\n"
+		"	bne	%0, %2, 1f;	\n"
+			M32R_UNLOCK" %3, @%1;	\n"
+		"	bra	2f;		\n"
+                "       .fillinsn		\n"
+		"1:"
+			M32R_UNLOCK" %2, @%1;	\n"
+                "       .fillinsn		\n"
+		"2:"
+			: "=&r" (retval)
+			: "r" (p), "r" (old), "r" (new)
+			: "cbit", "memory"
+#ifdef CONFIG_CHIP_M32700_TS1
+			, "r4"
+#endif  /* CONFIG_CHIP_M32700_TS1 */
+		);
+	local_irq_restore(flags);
+
+	return retval;
+}
+
+/* This function doesn't exist, so you'll get a linker error
+   if something tries to do an invalid cmpxchg().  */
+extern void __cmpxchg_called_with_bad_pointer(void);
+
+static __inline__ unsigned long
+__cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
+{
+	switch (size) {
+	case 4:
+		return __cmpxchg_u32(ptr, old, new);
+#if 0	/* we don't have __cmpxchg_u64 */
+	case 8:
+		return __cmpxchg_u64(ptr, old, new);
+#endif /* 0 */
+	}
+	__cmpxchg_called_with_bad_pointer();
+	return old;
+}
+
+#define cmpxchg(ptr,o,n)						 \
+  ({									 \
+     __typeof__(*(ptr)) _o_ = (o);					 \
+     __typeof__(*(ptr)) _n_ = (n);					 \
+     (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_,		 \
+				    (unsigned long)_n_, sizeof(*(ptr))); \
+  })
+
+#endif  /* __KERNEL__ */
+
 /*
  * Memory barrier.
  *
diff --git a/include/asm-m32r/thread_info.h b/include/asm-m32r/thread_info.h
index 7a6be7727a92..0f589363f619 100644
--- a/include/asm-m32r/thread_info.h
+++ b/include/asm-m32r/thread_info.h
@@ -95,7 +95,7 @@ static inline struct thread_info *current_thread_info(void)
 }
 
 /* thread information allocation */
-#if CONFIG_DEBUG_STACK_USAGE
+#ifdef CONFIG_DEBUG_STACK_USAGE
 #define alloc_thread_info(tsk)					\
 	({							\
 		struct thread_info *ret;			\
diff --git a/include/asm-m32r/uaccess.h b/include/asm-m32r/uaccess.h
index 93d863c455a1..0da7c47d2f01 100644
--- a/include/asm-m32r/uaccess.h
+++ b/include/asm-m32r/uaccess.h
@@ -208,7 +208,8 @@ extern void __get_user_4(void);
  * On error, the variable @x is set to zero.
  */
 #define get_user(x,ptr)							\
-({	int __ret_gu,__val_gu;						\
+({	int __ret_gu;							\
+	unsigned long __val_gu;						\
 	__chk_user_ptr(ptr);						\
 	switch(sizeof (*(ptr))) {					\
 	case 1:  __get_user_x(1,__ret_gu,__val_gu,ptr); break;		\
@@ -403,7 +404,8 @@ struct __large_struct { unsigned long buf[100]; };
 
 #define __get_user_nocheck(x,ptr,size)					\
 ({									\
-	long __gu_err, __gu_val;					\
+	long __gu_err;							\
+	unsigned long __gu_val;						\
 	__get_user_size(__gu_val,(ptr),(size),__gu_err);		\
 	(x) = (__typeof__(*(ptr)))__gu_val;				\
 	__gu_err;							\
@@ -594,8 +596,8 @@ static inline unsigned long __generic_copy_to_user_nocheck(void __user *to,
 	return n;
 }
 
-unsigned long __generic_copy_to_user(void *, const void *, unsigned long);
-unsigned long __generic_copy_from_user(void *, const void *, unsigned long);
+unsigned long __generic_copy_to_user(void __user *, const void *, unsigned long);
+unsigned long __generic_copy_from_user(void *, const void __user *, unsigned long);
 
 /**
  * __copy_to_user: - Copy a block of data into user space, with less checking.
diff --git a/include/asm-m32r/unistd.h b/include/asm-m32r/unistd.h
index 8552d8f45ab1..ac399e1f7bc0 100644
--- a/include/asm-m32r/unistd.h
+++ b/include/asm-m32r/unistd.h
@@ -452,7 +452,6 @@ asmlinkage int sys_clone(struct pt_regs regs);
 asmlinkage int sys_fork(struct pt_regs regs);
 asmlinkage int sys_vfork(struct pt_regs regs);
 asmlinkage int sys_pipe(unsigned long __user *fildes);
-asmlinkage int sys_ptrace(long request, long pid, long addr, long data);
 struct sigaction;
 asmlinkage long sys_rt_sigaction(int sig,
 				 const struct sigaction __user *act,