Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 17fad520 authored by Linus Torvalds's avatar Linus Torvalds
Browse files
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin:
  Blackfin: convert page/tlb to asm-generic
  Blackfin: convert types to asm-generic
  Blackfin: convert irq/process to asm-generic
  Blackfin: convert signal/mmap to asm-generic
  Blackfin: convert locking primitives to asm-generic
  Blackfin: convert termios to asm-generic
  Blackfin: convert simple headers to asm-generic
  Blackfin: convert socket/poll to asm-generic
  Blackfin: convert user/elf to asm-generic
  Blackfin: convert shm/sysv/ipc to asm-generic
  Blackfin: convert asm/ioctls.h to asm-generic/ioctls.h
  Blackfin: only build irqpanic.c when needed
  Blackfin: pull in asm/io.h in ksyms for prototypes
  Blackfin: use common test_bit() rather than __test_bit()
parents 898f96fd eec511d7
Loading
Loading
Loading
Loading
+7 −102
Original line number Diff line number Diff line
#ifndef __ARCH_BLACKFIN_ATOMIC__
#define __ARCH_BLACKFIN_ATOMIC__

#ifndef CONFIG_SMP
# include <asm-generic/atomic.h>
#else

#include <linux/types.h>
#include <asm/system.h>	/* local_irq_XXX() */

/*
 * Atomic operations that C can't guarantee us.  Useful for
 * resource counting etc..
 *
 * Generally we do not concern about SMP BFIN systems, so we don't have
 * to deal with that.
 *
 * Tony Kou (tonyko@lineo.ca)   Lineo Inc.   2001
 */

#define ATOMIC_INIT(i)	{ (i) }
#define atomic_set(v, i)	(((v)->counter) = i)

#ifdef CONFIG_SMP

#define atomic_read(v)	__raw_uncached_fetch_asm(&(v)->counter)

asmlinkage int __raw_uncached_fetch_asm(const volatile int *ptr);
@@ -84,100 +81,6 @@ static inline int atomic_test_mask(int mask, atomic_t *v)
#define smp_mb__before_atomic_inc()    barrier()
#define smp_mb__after_atomic_inc() barrier()

#else /* !CONFIG_SMP */

#define atomic_read(v)	((v)->counter)

static inline void atomic_add(int i, atomic_t *v)
{
	unsigned long flags;

	local_irq_save_hw(flags);
	v->counter += i;
	local_irq_restore_hw(flags);
}

static inline void atomic_sub(int i, atomic_t *v)
{
	unsigned long flags;

	local_irq_save_hw(flags);
	v->counter -= i;
	local_irq_restore_hw(flags);

}

static inline int atomic_add_return(int i, atomic_t *v)
{
	int __temp = 0;
	unsigned long flags;

	local_irq_save_hw(flags);
	v->counter += i;
	__temp = v->counter;
	local_irq_restore_hw(flags);


	return __temp;
}

static inline int atomic_sub_return(int i, atomic_t *v)
{
	int __temp = 0;
	unsigned long flags;

	local_irq_save_hw(flags);
	v->counter -= i;
	__temp = v->counter;
	local_irq_restore_hw(flags);

	return __temp;
}

static inline void atomic_inc(volatile atomic_t *v)
{
	unsigned long flags;

	local_irq_save_hw(flags);
	v->counter++;
	local_irq_restore_hw(flags);
}

static inline void atomic_dec(volatile atomic_t *v)
{
	unsigned long flags;

	local_irq_save_hw(flags);
	v->counter--;
	local_irq_restore_hw(flags);
}

static inline void atomic_clear_mask(unsigned int mask, atomic_t *v)
{
	unsigned long flags;

	local_irq_save_hw(flags);
	v->counter &= ~mask;
	local_irq_restore_hw(flags);
}

static inline void atomic_set_mask(unsigned int mask, atomic_t *v)
{
	unsigned long flags;

	local_irq_save_hw(flags);
	v->counter |= mask;
	local_irq_restore_hw(flags);
}

/* Atomic operations are already serializing */
#define smp_mb__before_atomic_dec()    barrier()
#define smp_mb__after_atomic_dec() barrier()
#define smp_mb__before_atomic_inc()    barrier()
#define smp_mb__after_atomic_inc() barrier()

#endif /* !CONFIG_SMP */

#define atomic_add_negative(a, v)	(atomic_add_return((a), (v)) < 0)
#define atomic_dec_return(v) atomic_sub_return(1,(v))
#define atomic_inc_return(v) atomic_add_return(1,(v))
@@ -210,4 +113,6 @@ static inline void atomic_set_mask(unsigned int mask, atomic_t *v)

#include <asm-generic/atomic-long.h>

#endif				/* __ARCH_BLACKFIN_ATOMIC __ */
#endif

#endif
+1 −4
Original line number Diff line number Diff line
#ifndef __ASMBFIN_AUXVEC_H
#define __ASMBFIN_AUXVEC_H

#endif
#include <asm-generic/auxvec.h>
+9 −189
Original line number Diff line number Diff line
#ifndef _BLACKFIN_BITOPS_H
#define _BLACKFIN_BITOPS_H

/*
 * Copyright 1992, Linus Torvalds.
 */

#include <linux/compiler.h>
#include <asm/byteorder.h>	/* swab32 */

#ifdef __KERNEL__
#ifndef CONFIG_SMP
# include <asm-generic/bitops.h>
#else

#ifndef _LINUX_BITOPS_H
#error only <linux/bitops.h> can be included directly
#endif

#include <linux/compiler.h>
#include <asm/byteorder.h>	/* swab32 */

#include <asm-generic/bitops/ffs.h>
#include <asm-generic/bitops/__ffs.h>
#include <asm-generic/bitops/sched.h>
#include <asm-generic/bitops/ffz.h>

#ifdef CONFIG_SMP

#include <linux/linkage.h>

asmlinkage int __raw_bit_set_asm(volatile unsigned long *addr, int nr);
@@ -79,189 +75,13 @@ static inline int test_and_change_bit(int nr, volatile unsigned long *addr)
	return __raw_bit_test_toggle_asm(a, nr & 0x1f);
}

#else /* !CONFIG_SMP */

#include <asm/system.h>		/* save_flags */

static inline void set_bit(int nr, volatile unsigned long *addr)
{
	int *a = (int *)addr;
	int mask;
	unsigned long flags;
	a += nr >> 5;
	mask = 1 << (nr & 0x1f);
	local_irq_save_hw(flags);
	*a |= mask;
	local_irq_restore_hw(flags);
}

static inline void clear_bit(int nr, volatile unsigned long *addr)
{
	int *a = (int *)addr;
	int mask;
	unsigned long flags;
	a += nr >> 5;
	mask = 1 << (nr & 0x1f);
	local_irq_save_hw(flags);
	*a &= ~mask;
	local_irq_restore_hw(flags);
}

static inline void change_bit(int nr, volatile unsigned long *addr)
{
	int mask;
	unsigned long flags;
	unsigned long *ADDR = (unsigned long *)addr;

	ADDR += nr >> 5;
	mask = 1 << (nr & 31);
	local_irq_save_hw(flags);
	*ADDR ^= mask;
	local_irq_restore_hw(flags);
}

static inline int test_and_set_bit(int nr, volatile unsigned long *addr)
{
	int mask, retval;
	volatile unsigned int *a = (volatile unsigned int *)addr;
	unsigned long flags;

	a += nr >> 5;
	mask = 1 << (nr & 0x1f);
	local_irq_save_hw(flags);
	retval = (mask & *a) != 0;
	*a |= mask;
	local_irq_restore_hw(flags);

	return retval;
}

static inline int test_and_clear_bit(int nr, volatile unsigned long *addr)
{
	int mask, retval;
	volatile unsigned int *a = (volatile unsigned int *)addr;
	unsigned long flags;

	a += nr >> 5;
	mask = 1 << (nr & 0x1f);
	local_irq_save_hw(flags);
	retval = (mask & *a) != 0;
	*a &= ~mask;
	local_irq_restore_hw(flags);

	return retval;
}

static inline int test_and_change_bit(int nr, volatile unsigned long *addr)
{
	int mask, retval;
	volatile unsigned int *a = (volatile unsigned int *)addr;
	unsigned long flags;

	a += nr >> 5;
	mask = 1 << (nr & 0x1f);
	local_irq_save_hw(flags);
	retval = (mask & *a) != 0;
	*a ^= mask;
	local_irq_restore_hw(flags);
	return retval;
}

#endif /* CONFIG_SMP */

/*
 * clear_bit() doesn't provide any barrier for the compiler.
 */
#define smp_mb__before_clear_bit()	barrier()
#define smp_mb__after_clear_bit()	barrier()

static inline void __set_bit(int nr, volatile unsigned long *addr)
{
	int *a = (int *)addr;
	int mask;

	a += nr >> 5;
	mask = 1 << (nr & 0x1f);
	*a |= mask;
}

static inline void __clear_bit(int nr, volatile unsigned long *addr)
{
	int *a = (int *)addr;
	int mask;

	a += nr >> 5;
	mask = 1 << (nr & 0x1f);
	*a &= ~mask;
}

static inline void __change_bit(int nr, volatile unsigned long *addr)
{
	int mask;
	unsigned long *ADDR = (unsigned long *)addr;

	ADDR += nr >> 5;
	mask = 1 << (nr & 31);
	*ADDR ^= mask;
}

static inline int __test_and_set_bit(int nr, volatile unsigned long *addr)
{
	int mask, retval;
	volatile unsigned int *a = (volatile unsigned int *)addr;

	a += nr >> 5;
	mask = 1 << (nr & 0x1f);
	retval = (mask & *a) != 0;
	*a |= mask;
	return retval;
}

static inline int __test_and_clear_bit(int nr, volatile unsigned long *addr)
{
	int mask, retval;
	volatile unsigned int *a = (volatile unsigned int *)addr;

	a += nr >> 5;
	mask = 1 << (nr & 0x1f);
	retval = (mask & *a) != 0;
	*a &= ~mask;
	return retval;
}

static inline int __test_and_change_bit(int nr,
					    volatile unsigned long *addr)
{
	int mask, retval;
	volatile unsigned int *a = (volatile unsigned int *)addr;

	a += nr >> 5;
	mask = 1 << (nr & 0x1f);
	retval = (mask & *a) != 0;
	*a ^= mask;
	return retval;
}

static inline int __test_bit(int nr, const void *addr)
{
	int *a = (int *)addr;
	int mask;

	a += nr >> 5;
	mask = 1 << (nr & 0x1f);
	return ((mask & *a) != 0);
}

#ifndef CONFIG_SMP
/*
 * This routine doesn't need irq save and restore ops in UP
 * context.
 */
static inline int test_bit(int nr, const void *addr)
{
	return __test_bit(nr, addr);
}
#endif
#include <asm-generic/bitops/non-atomic.h>

#include <asm-generic/bitops/find.h>
#include <asm-generic/bitops/hweight.h>
@@ -272,10 +92,10 @@ static inline int test_bit(int nr, const void *addr)

#include <asm-generic/bitops/minix.h>

#endif				/* __KERNEL__ */

#include <asm-generic/bitops/fls.h>
#include <asm-generic/bitops/__fls.h>
#include <asm-generic/bitops/fls64.h>

#endif /* CONFIG_SMP */

#endif				/* _BLACKFIN_BITOPS_H */
+1 −16
Original line number Diff line number Diff line
/*
 *  include/asm-blackfin/bugs.h
 *
 *  Copyright (C) 1994  Linus Torvalds
 */

/*
 * This is included by init/main.c to check for architecture-dependent bugs.
 *
 * Needs:
 *	void check_bugs(void);
 */

static void check_bugs(void)
{
}
#include <asm-generic/bugs.h>
+0 −5
Original line number Diff line number Diff line
#ifndef __BLACKFIN_CPUTIME_H
#define __BLACKFIN_CPUTIME_H

#include <asm-generic/cputime.h>

#endif				/* __BLACKFIN_CPUTIME_H */
Loading