mirror of
https://github.com/AetherDroid/android_kernel_samsung_on5xelte.git
synced 2025-11-03 01:25:36 +01:00
Fixed MTP to work with TWRP
This commit is contained in:
awab228
commit
f6dfaef42e
50820 changed files with 20846062 additions and 0 deletions
283
arch/m32r/include/asm/atomic.h
Normal file
283
arch/m32r/include/asm/atomic.h
Normal file
|
|
@ -0,0 +1,283 @@
|
|||
#ifndef _ASM_M32R_ATOMIC_H
|
||||
#define _ASM_M32R_ATOMIC_H
|
||||
|
||||
/*
|
||||
* linux/include/asm-m32r/atomic.h
|
||||
*
|
||||
* M32R version:
|
||||
* Copyright (C) 2001, 2002 Hitoshi Yamamoto
|
||||
* Copyright (C) 2004 Hirokazu Takata <takata at linux-m32r.org>
|
||||
*/
|
||||
|
||||
#include <linux/types.h>
|
||||
#include <asm/assembler.h>
|
||||
#include <asm/cmpxchg.h>
|
||||
#include <asm/dcache_clear.h>
|
||||
#include <asm/barrier.h>
|
||||
|
||||
/*
|
||||
* Atomic operations that C can't guarantee us. Useful for
|
||||
* resource counting etc..
|
||||
*/
|
||||
|
||||
#define ATOMIC_INIT(i) { (i) }
|
||||
|
||||
/**
|
||||
* atomic_read - read atomic variable
|
||||
* @v: pointer of type atomic_t
|
||||
*
|
||||
* Atomically reads the value of @v.
|
||||
*/
|
||||
#define atomic_read(v) ACCESS_ONCE((v)->counter)
|
||||
|
||||
/**
|
||||
* atomic_set - set atomic variable
|
||||
* @v: pointer of type atomic_t
|
||||
* @i: required value
|
||||
*
|
||||
* Atomically sets the value of @v to @i.
|
||||
*/
|
||||
#define atomic_set(v,i) (((v)->counter) = (i))
|
||||
|
||||
#ifdef CONFIG_CHIP_M32700_TS1
|
||||
#define __ATOMIC_CLOBBER , "r4"
|
||||
#else
|
||||
#define __ATOMIC_CLOBBER
|
||||
#endif
|
||||
|
||||
#define ATOMIC_OP(op) \
|
||||
static __inline__ void atomic_##op(int i, atomic_t *v) \
|
||||
{ \
|
||||
unsigned long flags; \
|
||||
int result; \
|
||||
\
|
||||
local_irq_save(flags); \
|
||||
__asm__ __volatile__ ( \
|
||||
"# atomic_" #op " \n\t" \
|
||||
DCACHE_CLEAR("%0", "r4", "%1") \
|
||||
M32R_LOCK" %0, @%1; \n\t" \
|
||||
#op " %0, %2; \n\t" \
|
||||
M32R_UNLOCK" %0, @%1; \n\t" \
|
||||
: "=&r" (result) \
|
||||
: "r" (&v->counter), "r" (i) \
|
||||
: "memory" \
|
||||
__ATOMIC_CLOBBER \
|
||||
); \
|
||||
local_irq_restore(flags); \
|
||||
} \
|
||||
|
||||
#define ATOMIC_OP_RETURN(op) \
|
||||
static __inline__ int atomic_##op##_return(int i, atomic_t *v) \
|
||||
{ \
|
||||
unsigned long flags; \
|
||||
int result; \
|
||||
\
|
||||
local_irq_save(flags); \
|
||||
__asm__ __volatile__ ( \
|
||||
"# atomic_" #op "_return \n\t" \
|
||||
DCACHE_CLEAR("%0", "r4", "%1") \
|
||||
M32R_LOCK" %0, @%1; \n\t" \
|
||||
#op " %0, %2; \n\t" \
|
||||
M32R_UNLOCK" %0, @%1; \n\t" \
|
||||
: "=&r" (result) \
|
||||
: "r" (&v->counter), "r" (i) \
|
||||
: "memory" \
|
||||
__ATOMIC_CLOBBER \
|
||||
); \
|
||||
local_irq_restore(flags); \
|
||||
\
|
||||
return result; \
|
||||
}
|
||||
|
||||
#define ATOMIC_OPS(op) ATOMIC_OP(op) ATOMIC_OP_RETURN(op)
|
||||
|
||||
ATOMIC_OPS(add)
|
||||
ATOMIC_OPS(sub)
|
||||
|
||||
#undef ATOMIC_OPS
|
||||
#undef ATOMIC_OP_RETURN
|
||||
#undef ATOMIC_OP
|
||||
|
||||
/**
|
||||
* atomic_sub_and_test - subtract value from variable and test result
|
||||
* @i: integer value to subtract
|
||||
* @v: pointer of type atomic_t
|
||||
*
|
||||
* Atomically subtracts @i from @v and returns
|
||||
* true if the result is zero, or false for all
|
||||
* other cases.
|
||||
*/
|
||||
#define atomic_sub_and_test(i,v) (atomic_sub_return((i), (v)) == 0)
|
||||
|
||||
/**
|
||||
* atomic_inc_return - increment atomic variable and return it
|
||||
* @v: pointer of type atomic_t
|
||||
*
|
||||
* Atomically increments @v by 1 and returns the result.
|
||||
*/
|
||||
static __inline__ int atomic_inc_return(atomic_t *v)
|
||||
{
|
||||
unsigned long flags;
|
||||
int result;
|
||||
|
||||
local_irq_save(flags);
|
||||
__asm__ __volatile__ (
|
||||
"# atomic_inc_return \n\t"
|
||||
DCACHE_CLEAR("%0", "r4", "%1")
|
||||
M32R_LOCK" %0, @%1; \n\t"
|
||||
"addi %0, #1; \n\t"
|
||||
M32R_UNLOCK" %0, @%1; \n\t"
|
||||
: "=&r" (result)
|
||||
: "r" (&v->counter)
|
||||
: "memory"
|
||||
__ATOMIC_CLOBBER
|
||||
);
|
||||
local_irq_restore(flags);
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
/**
|
||||
* atomic_dec_return - decrement atomic variable and return it
|
||||
* @v: pointer of type atomic_t
|
||||
*
|
||||
* Atomically decrements @v by 1 and returns the result.
|
||||
*/
|
||||
static __inline__ int atomic_dec_return(atomic_t *v)
|
||||
{
|
||||
unsigned long flags;
|
||||
int result;
|
||||
|
||||
local_irq_save(flags);
|
||||
__asm__ __volatile__ (
|
||||
"# atomic_dec_return \n\t"
|
||||
DCACHE_CLEAR("%0", "r4", "%1")
|
||||
M32R_LOCK" %0, @%1; \n\t"
|
||||
"addi %0, #-1; \n\t"
|
||||
M32R_UNLOCK" %0, @%1; \n\t"
|
||||
: "=&r" (result)
|
||||
: "r" (&v->counter)
|
||||
: "memory"
|
||||
__ATOMIC_CLOBBER
|
||||
);
|
||||
local_irq_restore(flags);
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
/**
|
||||
* atomic_inc - increment atomic variable
|
||||
* @v: pointer of type atomic_t
|
||||
*
|
||||
* Atomically increments @v by 1.
|
||||
*/
|
||||
#define atomic_inc(v) ((void)atomic_inc_return(v))
|
||||
|
||||
/**
|
||||
* atomic_dec - decrement atomic variable
|
||||
* @v: pointer of type atomic_t
|
||||
*
|
||||
* Atomically decrements @v by 1.
|
||||
*/
|
||||
#define atomic_dec(v) ((void)atomic_dec_return(v))
|
||||
|
||||
/**
|
||||
* atomic_inc_and_test - increment and test
|
||||
* @v: pointer of type atomic_t
|
||||
*
|
||||
* Atomically increments @v by 1
|
||||
* and returns true if the result is zero, or false for all
|
||||
* other cases.
|
||||
*/
|
||||
#define atomic_inc_and_test(v) (atomic_inc_return(v) == 0)
|
||||
|
||||
/**
|
||||
* atomic_dec_and_test - decrement and test
|
||||
* @v: pointer of type atomic_t
|
||||
*
|
||||
* Atomically decrements @v by 1 and
|
||||
* returns true if the result is 0, or false for all
|
||||
* other cases.
|
||||
*/
|
||||
#define atomic_dec_and_test(v) (atomic_dec_return(v) == 0)
|
||||
|
||||
/**
|
||||
* atomic_add_negative - add and test if negative
|
||||
* @v: pointer of type atomic_t
|
||||
* @i: integer value to add
|
||||
*
|
||||
* Atomically adds @i to @v and returns true
|
||||
* if the result is negative, or false when
|
||||
* result is greater than or equal to zero.
|
||||
*/
|
||||
#define atomic_add_negative(i,v) (atomic_add_return((i), (v)) < 0)
|
||||
|
||||
#define atomic_cmpxchg(v, o, n) ((int)cmpxchg(&((v)->counter), (o), (n)))
|
||||
#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
|
||||
|
||||
/**
|
||||
* __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 the old value of @v.
|
||||
*/
|
||||
static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u)
|
||||
{
|
||||
int c, old;
|
||||
c = atomic_read(v);
|
||||
for (;;) {
|
||||
if (unlikely(c == (u)))
|
||||
break;
|
||||
old = atomic_cmpxchg((v), c, c + (a));
|
||||
if (likely(old == c))
|
||||
break;
|
||||
c = old;
|
||||
}
|
||||
return c;
|
||||
}
|
||||
|
||||
|
||||
static __inline__ void atomic_clear_mask(unsigned long mask, atomic_t *addr)
|
||||
{
|
||||
unsigned long flags;
|
||||
unsigned long tmp;
|
||||
|
||||
local_irq_save(flags);
|
||||
__asm__ __volatile__ (
|
||||
"# atomic_clear_mask \n\t"
|
||||
DCACHE_CLEAR("%0", "r5", "%1")
|
||||
M32R_LOCK" %0, @%1; \n\t"
|
||||
"and %0, %2; \n\t"
|
||||
M32R_UNLOCK" %0, @%1; \n\t"
|
||||
: "=&r" (tmp)
|
||||
: "r" (addr), "r" (~mask)
|
||||
: "memory"
|
||||
__ATOMIC_CLOBBER
|
||||
);
|
||||
local_irq_restore(flags);
|
||||
}
|
||||
|
||||
static __inline__ void atomic_set_mask(unsigned long mask, atomic_t *addr)
|
||||
{
|
||||
unsigned long flags;
|
||||
unsigned long tmp;
|
||||
|
||||
local_irq_save(flags);
|
||||
__asm__ __volatile__ (
|
||||
"# atomic_set_mask \n\t"
|
||||
DCACHE_CLEAR("%0", "r5", "%1")
|
||||
M32R_LOCK" %0, @%1; \n\t"
|
||||
"or %0, %2; \n\t"
|
||||
M32R_UNLOCK" %0, @%1; \n\t"
|
||||
: "=&r" (tmp)
|
||||
: "r" (addr), "r" (mask)
|
||||
: "memory"
|
||||
__ATOMIC_CLOBBER
|
||||
);
|
||||
local_irq_restore(flags);
|
||||
}
|
||||
|
||||
#endif /* _ASM_M32R_ATOMIC_H */
|
||||
Loading…
Add table
Add a link
Reference in a new issue