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Merge git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-2.6-irqflags

Browse source 
* git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-2.6-irqflags:
  Fix IRQ flag handling naming
  MIPS: Add missing #inclusions of <linux/irq.h>
  smc91x: Add missing #inclusion of <linux/irq.h>
  Drop a couple of unnecessary asm/system.h inclusions
  SH: Add missing consts to sys_execve() declaration
  Blackfin: Rename IRQ flags handling functions
  Blackfin: Add missing dep to asm/irqflags.h
  Blackfin: Rename DES PC2() symbol to avoid collision
  Blackfin: Split the BF532 BFIN_*_FIO_FLAG() functions to their own header
  Blackfin: Split PLL code from mach-specific cdef headers
This commit is contained in:
Linus Torvalds 2010-10-21 14:37:27 -07:00
commit e36f561a2c
141 changed files with 2335 additions and 1847 deletions
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58
arch/xtensa/include/asm/irqflags.h Normal file
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@ -0,0 +1,58 @@
/*
* Xtensa IRQ flags handling functions
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 2001 - 2005 Tensilica Inc.
*/
#ifndef _XTENSA_IRQFLAGS_H
#define _XTENSA_IRQFLAGS_H
#include <linux/types.h>
static inline unsigned long arch_local_save_flags(void)
{
unsigned long flags;
asm volatile("rsr %0,"__stringify(PS) : "=a" (flags));
return flags;
}
static inline unsigned long arch_local_irq_save(void)
{
unsigned long flags;
asm volatile("rsil %0, "__stringify(LOCKLEVEL)
: "=a" (flags) :: "memory");
return flags;
}
static inline void arch_local_irq_disable(void)
{
arch_local_irq_save();
}
static inline void arch_local_irq_enable(void)
{
unsigned long flags;
asm volatile("rsil %0, 0" : "=a" (flags) :: "memory");
}
static inline void arch_local_irq_restore(unsigned long flags)
{
asm volatile("wsr %0, "__stringify(PS)" ; rsync"
:: "a" (flags) : "memory");
}
static inline bool arch_irqs_disabled_flags(unsigned long flags)
{
return (flags & 0xf) != 0;
}
static inline bool arch_irqs_disabled(void)
{
return arch_irqs_disabled_flags(arch_local_save_flags());
}
#endif /* _XTENSA_IRQFLAGS_H */

33
arch/xtensa/include/asm/system.h
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@ -12,41 +12,10 @@
#define _XTENSA_SYSTEM_H
#include <linux/stringify.h>
#include <linux/irqflags.h>
#include <asm/processor.h>
/* interrupt control */
#define local_save_flags(x) \
__asm__ __volatile__ ("rsr %0,"__stringify(PS) : "=a" (x));
#define local_irq_restore(x) do { \
__asm__ __volatile__ ("wsr %0, "__stringify(PS)" ; rsync" \
:: "a" (x) : "memory"); } while(0);
#define local_irq_save(x) do { \
__asm__ __volatile__ ("rsil %0, "__stringify(LOCKLEVEL) \
: "=a" (x) :: "memory");} while(0);
static inline void local_irq_disable(void)
{
unsigned long flags;
__asm__ __volatile__ ("rsil %0, "__stringify(LOCKLEVEL)
: "=a" (flags) :: "memory");
}
static inline void local_irq_enable(void)
{
unsigned long flags;
__asm__ __volatile__ ("rsil %0, 0" : "=a" (flags) :: "memory");
}
static inline int irqs_disabled(void)
{
unsigned long flags;
local_save_flags(flags);
return flags & 0xf;
}
#define smp_read_barrier_depends() do { } while(0)
#define read_barrier_depends() do { } while(0)