Merge branch 'master'

6 files changed, 17 insertions, 297 deletions

diff --git a/include/asm-parisc/bitops.h b/include/asm-parisc/bitops.h
index 15d8c2b..9005619 100644
--- a/include/asm-parisc/bitops.h
+++ b/include/asm-parisc/bitops.h
@@ -35,13 +35,6 @@ static __inline__ void set_bit(int nr, volatile unsigned long * addr)
 	_atomic_spin_unlock_irqrestore(addr, flags);
 }
 
-static __inline__ void __set_bit(unsigned long nr, volatile unsigned long * addr)
-{
-	unsigned long *m = (unsigned long *) addr + (nr >> SHIFT_PER_LONG);
-
-	*m |= 1UL << CHOP_SHIFTCOUNT(nr);
-}
-
 static __inline__ void clear_bit(int nr, volatile unsigned long * addr)
 {
 	unsigned long mask = ~(1UL << CHOP_SHIFTCOUNT(nr));
@@ -53,13 +46,6 @@ static __inline__ void clear_bit(int nr, volatile unsigned long * addr)
 	_atomic_spin_unlock_irqrestore(addr, flags);
 }
 
-static __inline__ void __clear_bit(unsigned long nr, volatile unsigned long * addr)
-{
-	unsigned long *m = (unsigned long *) addr + (nr >> SHIFT_PER_LONG);
-
-	*m &= ~(1UL << CHOP_SHIFTCOUNT(nr));
-}
-
 static __inline__ void change_bit(int nr, volatile unsigned long * addr)
 {
 	unsigned long mask = 1UL << CHOP_SHIFTCOUNT(nr);
@@ -71,13 +57,6 @@ static __inline__ void change_bit(int nr, volatile unsigned long * addr)
 	_atomic_spin_unlock_irqrestore(addr, flags);
 }
 
-static __inline__ void __change_bit(unsigned long nr, volatile unsigned long * addr)
-{
-	unsigned long *m = (unsigned long *) addr + (nr >> SHIFT_PER_LONG);
-
-	*m ^= 1UL << CHOP_SHIFTCOUNT(nr);
-}
-
 static __inline__ int test_and_set_bit(int nr, volatile unsigned long * addr)
 {
 	unsigned long mask = 1UL << CHOP_SHIFTCOUNT(nr);
@@ -93,18 +72,6 @@ static __inline__ int test_and_set_bit(int nr, volatile unsigned long * addr)
 	return (oldbit & mask) ? 1 : 0;
 }
 
-static __inline__ int __test_and_set_bit(int nr, volatile unsigned long * address)
-{
-	unsigned long mask = 1UL << CHOP_SHIFTCOUNT(nr);
-	unsigned long oldbit;
-	unsigned long *addr = (unsigned long *)address + (nr >> SHIFT_PER_LONG);
-
-	oldbit = *addr;
-	*addr = oldbit | mask;
-
-	return (oldbit & mask) ? 1 : 0;
-}
-
 static __inline__ int test_and_clear_bit(int nr, volatile unsigned long * addr)
 {
 	unsigned long mask = 1UL << CHOP_SHIFTCOUNT(nr);
@@ -120,18 +87,6 @@ static __inline__ int test_and_clear_bit(int nr, volatile unsigned long * addr)
 	return (oldbit & mask) ? 1 : 0;
 }
 
-static __inline__ int __test_and_clear_bit(int nr, volatile unsigned long * address)
-{
-	unsigned long mask = 1UL << CHOP_SHIFTCOUNT(nr);
-	unsigned long *addr = (unsigned long *)address + (nr >> SHIFT_PER_LONG);
-	unsigned long oldbit;
-
-	oldbit = *addr;
-	*addr = oldbit & ~mask;
-
-	return (oldbit & mask) ? 1 : 0;
-}
-
 static __inline__ int test_and_change_bit(int nr, volatile unsigned long * addr)
 {
 	unsigned long mask = 1UL << CHOP_SHIFTCOUNT(nr);
@@ -147,25 +102,7 @@ static __inline__ int test_and_change_bit(int nr, volatile unsigned long * addr)
 	return (oldbit & mask) ? 1 : 0;
 }
 
-static __inline__ int __test_and_change_bit(int nr, volatile unsigned long * address)
-{
-	unsigned long mask = 1UL << CHOP_SHIFTCOUNT(nr);
-	unsigned long *addr = (unsigned long *)address + (nr >> SHIFT_PER_LONG);
-	unsigned long oldbit;
-
-	oldbit = *addr;
-	*addr = oldbit ^ mask;
-
-	return (oldbit & mask) ? 1 : 0;
-}
-
-static __inline__ int test_bit(int nr, const volatile unsigned long *address)
-{
-	unsigned long mask = 1UL << CHOP_SHIFTCOUNT(nr);
-	const unsigned long *addr = (const unsigned long *)address + (nr >> SHIFT_PER_LONG);
-	
-	return !!(*addr & mask);
-}
+#include <asm-generic/bitops/non-atomic.h>
 
 #ifdef __KERNEL__
 
@@ -219,8 +156,7 @@ static __inline__ unsigned long __ffs(unsigned long x)
 	return ret;
 }
 
-/* Undefined if no bit is zero. */
-#define ffz(x)	__ffs(~x)
+#include <asm-generic/bitops/ffz.h>
 
 /*
  * ffs: find first bit set. returns 1 to BITS_PER_LONG or 0 (if none set)
@@ -263,155 +199,22 @@ static __inline__ int fls(int x)
 
 	return ret;
 }
-#define fls64(x)   generic_fls64(x)
 
-/*
- * hweightN: returns the hamming weight (i.e. the number
- * of bits set) of a N-bit word
- */
-#define hweight64(x) generic_hweight64(x)
-#define hweight32(x) generic_hweight32(x)
-#define hweight16(x) generic_hweight16(x)
-#define hweight8(x) generic_hweight8(x)
-
-/*
- * Every architecture must define this function. It's the fastest
- * way of searching a 140-bit bitmap where the first 100 bits are
- * unlikely to be set. It's guaranteed that at least one of the 140
- * bits is cleared.
- */
-static inline int sched_find_first_bit(const unsigned long *b)
-{
-#ifdef __LP64__
-	if (unlikely(b[0]))
-		return __ffs(b[0]);
-	if (unlikely(b[1]))
-		return __ffs(b[1]) + 64;
-	return __ffs(b[2]) + 128;
-#else
-	if (unlikely(b[0]))
-		return __ffs(b[0]);
-	if (unlikely(b[1]))
-		return __ffs(b[1]) + 32;
-	if (unlikely(b[2]))
-		return __ffs(b[2]) + 64;
-	if (b[3])
-		return __ffs(b[3]) + 96;
-	return __ffs(b[4]) + 128;
-#endif
-}
+#include <asm-generic/bitops/fls64.h>
+#include <asm-generic/bitops/hweight.h>
+#include <asm-generic/bitops/sched.h>
 
 #endif /* __KERNEL__ */
 
-/*
- * This implementation of find_{first,next}_zero_bit was stolen from
- * Linus' asm-alpha/bitops.h.
- */
-#define find_first_zero_bit(addr, size) \
-	find_next_zero_bit((addr), (size), 0)
-
-static __inline__ unsigned long find_next_zero_bit(const void * addr, unsigned long size, unsigned long offset)
-{
-	const unsigned long * p = ((unsigned long *) addr) + (offset >> SHIFT_PER_LONG);
-	unsigned long result = offset & ~(BITS_PER_LONG-1);
-	unsigned long tmp;
-
-	if (offset >= size)
-		return size;
-	size -= result;
-	offset &= (BITS_PER_LONG-1);
-	if (offset) {
-		tmp = *(p++);
-		tmp |= ~0UL >> (BITS_PER_LONG-offset);
-		if (size < BITS_PER_LONG)
-			goto found_first;
-		if (~tmp)
-			goto found_middle;
-		size -= BITS_PER_LONG;
-		result += BITS_PER_LONG;
-	}
-	while (size & ~(BITS_PER_LONG -1)) {
-		if (~(tmp = *(p++)))
-			goto found_middle;
-		result += BITS_PER_LONG;
-		size -= BITS_PER_LONG;
-	}
-	if (!size)
-		return result;
-	tmp = *p;
-found_first:
-	tmp |= ~0UL << size;
-found_middle:
-	return result + ffz(tmp);
-}
-
-static __inline__ unsigned long find_next_bit(const unsigned long *addr, unsigned long size, unsigned long offset)
-{
-	const unsigned long *p = addr + (offset >> SHIFT_PER_LONG);
-	unsigned long result = offset & ~(BITS_PER_LONG-1);
-	unsigned long tmp;
-
-	if (offset >= size)
-		return size;
-	size -= result;
-	offset &= (BITS_PER_LONG-1);
-	if (offset) {
-		tmp = *(p++);
-		tmp &= (~0UL << offset);
-		if (size < BITS_PER_LONG)
-			goto found_first;
-		if (tmp)
-			goto found_middle;
-		size -= BITS_PER_LONG;
-		result += BITS_PER_LONG;
-	}
-	while (size & ~(BITS_PER_LONG-1)) {
-		if ((tmp = *(p++)))
-			goto found_middle;
-		result += BITS_PER_LONG;
-		size -= BITS_PER_LONG;
-	}
-	if (!size)
-		return result;
-	tmp = *p;
-
-found_first:
-	tmp &= (~0UL >> (BITS_PER_LONG - size));
-	if (tmp == 0UL)        /* Are any bits set? */
-		return result + size; /* Nope. */
-found_middle:
-	return result + __ffs(tmp);
-}
-
-/**
- * find_first_bit - find the first set bit in a memory region
- * @addr: The address to start the search at
- * @size: The maximum size to search
- *
- * Returns the bit-number of the first set bit, not the number of the byte
- * containing a bit.
- */
-#define find_first_bit(addr, size) \
-        find_next_bit((addr), (size), 0)
-
-#define _EXT2_HAVE_ASM_BITOPS_
+#include <asm-generic/bitops/find.h>
 
 #ifdef __KERNEL__
-/*
- * test_and_{set,clear}_bit guarantee atomicity without
- * disabling interrupts.
- */
+
+#include <asm-generic/bitops/ext2-non-atomic.h>
 
 /* '3' is bits per byte */
 #define LE_BYTE_ADDR ((sizeof(unsigned long) - 1) << 3)
 
-#define ext2_test_bit(nr, addr) \
-			test_bit((nr)	^ LE_BYTE_ADDR, (unsigned long *)addr)
-#define ext2_set_bit(nr, addr)	\
-		__test_and_set_bit((nr) ^ LE_BYTE_ADDR, (unsigned long *)addr)
-#define ext2_clear_bit(nr, addr) \
-		__test_and_clear_bit((nr) ^ LE_BYTE_ADDR, (unsigned long *)addr)
-
 #define ext2_set_bit_atomic(l,nr,addr) \
 		test_and_set_bit((nr)   ^ LE_BYTE_ADDR, (unsigned long *)addr)
 #define ext2_clear_bit_atomic(l,nr,addr) \
@@ -419,77 +222,6 @@ found_middle:
 
 #endif	/* __KERNEL__ */
 
-
-#define ext2_find_first_zero_bit(addr, size) \
-	ext2_find_next_zero_bit((addr), (size), 0)
-
-/* include/linux/byteorder does not support "unsigned long" type */
-static inline unsigned long ext2_swabp(unsigned long * x)
-{
-#ifdef __LP64__
-	return (unsigned long) __swab64p((u64 *) x);
-#else
-	return (unsigned long) __swab32p((u32 *) x);
-#endif
-}
-
-/* include/linux/byteorder doesn't support "unsigned long" type */
-static inline unsigned long ext2_swab(unsigned long y)
-{
-#ifdef __LP64__
-	return (unsigned long) __swab64((u64) y);
-#else
-	return (unsigned long) __swab32((u32) y);
-#endif
-}
-
-static __inline__ unsigned long ext2_find_next_zero_bit(void *addr, unsigned long size, unsigned long offset)
-{
-	unsigned long *p = (unsigned long *) addr + (offset >> SHIFT_PER_LONG);
-	unsigned long result = offset & ~(BITS_PER_LONG - 1);
-	unsigned long tmp;
-
-	if (offset >= size)
-		return size;
-	size -= result;
-	offset &= (BITS_PER_LONG - 1UL);
-	if (offset) {
-		tmp = ext2_swabp(p++);
-		tmp |= (~0UL >> (BITS_PER_LONG - offset));
-		if (size < BITS_PER_LONG)
-			goto found_first;
-		if (~tmp)
-			goto found_middle;
-		size -= BITS_PER_LONG;
-		result += BITS_PER_LONG;
-	}
-
-	while (size & ~(BITS_PER_LONG - 1)) {
-		if (~(tmp = *(p++)))
-			goto found_middle_swap;
-		result += BITS_PER_LONG;
-		size -= BITS_PER_LONG;
-	}
-	if (!size)
-		return result;
-	tmp = ext2_swabp(p);
-found_first:
-	tmp |= ~0UL << size;
-	if (tmp == ~0UL)	/* Are any bits zero? */
-		return result + size; /* Nope. Skip ffz */
-found_middle:
-	return result + ffz(tmp);
-
-found_middle_swap:
-	return result + ffz(ext2_swab(tmp));
-}
-
-
-/* Bitmap functions for the minix filesystem.  */
-#define minix_test_and_set_bit(nr,addr) ext2_set_bit(nr,addr)
-#define minix_set_bit(nr,addr) ((void)ext2_set_bit(nr,addr))
-#define minix_test_and_clear_bit(nr,addr) ext2_clear_bit(nr,addr)
-#define minix_test_bit(nr,addr) ext2_test_bit(nr,addr)
-#define minix_find_first_zero_bit(addr,size) ext2_find_first_zero_bit(addr,size)
+#include <asm-generic/bitops/minix-le.h>
 
 #endif /* _PARISC_BITOPS_H */
diff --git a/include/asm-parisc/compat.h b/include/asm-parisc/compat.h
index 38b918f..289624d 100644
--- a/include/asm-parisc/compat.h
+++ b/include/asm-parisc/compat.h
@@ -138,6 +138,11 @@ static inline void __user *compat_ptr(compat_uptr_t uptr)
 	return (void __user *)(unsigned long)uptr;
 }
 
+static inline compat_uptr_t ptr_to_compat(void __user *uptr)
+{
+	return (u32)(unsigned long)uptr;
+}
+
 static __inline__ void __user *compat_alloc_user_space(long len)
 {
 	struct pt_regs *regs = &current->thread.regs;
diff --git a/include/asm-parisc/mmzone.h b/include/asm-parisc/mmzone.h
index ae039f4..ceb9b73 100644
--- a/include/asm-parisc/mmzone.h
+++ b/include/asm-parisc/mmzone.h
@@ -25,23 +25,6 @@ extern struct node_map_data node_data[];
 	pg_data_t *__pgdat = NODE_DATA(nid);				\
 	__pgdat->node_start_pfn + __pgdat->node_spanned_pages;		\
 })
-#define node_localnr(pfn, nid)		((pfn) - node_start_pfn(nid))
-
-#define pfn_to_page(pfn)						\
-({									\
-	unsigned long __pfn = (pfn);					\
-	int __node  = pfn_to_nid(__pfn);				\
-	&NODE_DATA(__node)->node_mem_map[node_localnr(__pfn,__node)];	\
-})
-
-#define page_to_pfn(pg)							\
-({									\
-	struct page *__page = pg;					\
-	struct zone *__zone = page_zone(__page);			\
-	BUG_ON(__zone == NULL);						\
-	(unsigned long)(__page - __zone->zone_mem_map)			\
-		+ __zone->zone_start_pfn;				\
-})
 
 /* We have these possible memory map layouts:
  * Astro: 0-3.75, 67.75-68, 4-64
diff --git a/include/asm-parisc/page.h b/include/asm-parisc/page.h
index 4a6752b..9f303c0 100644
--- a/include/asm-parisc/page.h
+++ b/include/asm-parisc/page.h
@@ -130,8 +130,6 @@ extern int npmem_ranges;
 #define __va(x)			((void *)((unsigned long)(x)+PAGE_OFFSET))
 
 #ifndef CONFIG_DISCONTIGMEM
-#define pfn_to_page(pfn)	(mem_map + (pfn))
-#define page_to_pfn(page)	((unsigned long)((page) - mem_map))
 #define pfn_valid(pfn)		((pfn) < max_mapnr)
 #endif /* CONFIG_DISCONTIGMEM */
 
@@ -152,6 +150,7 @@ extern int npmem_ranges;
 
 #endif /* __KERNEL__ */
 
+#include <asm-generic/memory_model.h>
 #include <asm-generic/page.h>
 
 #endif /* _PARISC_PAGE_H */
diff --git a/include/asm-parisc/pdc.h b/include/asm-parisc/pdc.h
index 8e23e4c..0a3face 100644
--- a/include/asm-parisc/pdc.h
+++ b/include/asm-parisc/pdc.h
@@ -333,7 +333,7 @@ struct pdc_model {		/* for PDC_MODEL */
 	unsigned long curr_key;
 };
 
-/* Values for PDC_MODEL_CAPABILITES non-equivalent virtual aliasing support */
+/* Values for PDC_MODEL_CAPABILITIES non-equivalent virtual aliasing support */
 
 #define PDC_MODEL_IOPDIR_FDC            (1 << 2)        /* see sba_iommu.c */
 #define PDC_MODEL_NVA_MASK		(3 << 4)
diff --git a/include/asm-parisc/poll.h b/include/asm-parisc/poll.h
index 1c1da86..20e4d03 100644
--- a/include/asm-parisc/poll.h
+++ b/include/asm-parisc/poll.h
@@ -16,6 +16,7 @@
 #define POLLWRBAND	0x0200
 #define POLLMSG		0x0400
 #define POLLREMOVE	0x1000
+#define POLLRDHUP       0x2000
 
 struct pollfd {
 	int fd;