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PPC: asm/bitops.h: drop unused ext2* and minix* stuff 

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Antony Pavlov 2015-06-03 11:44:49 +03:00 committed by Sascha Hauer
parent a479098b60
commit 866cb8ea77
1 changed files with 0 additions and 63 deletions
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63
arch/ppc/include/asm/bitops.h
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@ -189,67 +189,4 @@ extern __inline__ int ffs(int x)
#include <asm-generic/bitops/find.h>
#define _EXT2_HAVE_ASM_BITOPS_
#ifdef __KERNEL__
/*
* test_and_{set,clear}_bit guarantee atomicity without
* disabling interrupts.
*/
#define ext2_set_bit(nr, addr) test_and_set_bit((nr) ^ 0x18, addr)
#define ext2_clear_bit(nr, addr) test_and_clear_bit((nr) ^ 0x18, addr)
#else
extern __inline__ int ext2_set_bit(int nr, void * addr)
{
int mask;
unsigned char *ADDR = (unsigned char *) addr;
int oldbit;
ADDR += nr >> 3;
mask = 1 << (nr & 0x07);
oldbit = (*ADDR & mask) ? 1 : 0;
*ADDR |= mask;
return oldbit;
}
extern __inline__ int ext2_clear_bit(int nr, void * addr)
{
int mask;
unsigned char *ADDR = (unsigned char *) addr;
int oldbit;
ADDR += nr >> 3;
mask = 1 << (nr & 0x07);
oldbit = (*ADDR & mask) ? 1 : 0;
*ADDR = *ADDR & ~mask;
return oldbit;
}
#endif /* __KERNEL__ */
extern __inline__ int ext2_test_bit(int nr, __const__ void * addr)
{
__const__ unsigned char *ADDR = (__const__ unsigned char *) addr;
return (ADDR[nr >> 3] >> (nr & 7)) & 1;
}
/*
* This implementation of ext2_find_{first,next}_zero_bit was stolen from
* Linus' asm-alpha/bitops.h and modified for a big-endian machine.
*/
#define ext2_find_first_zero_bit(addr, size) \
ext2_find_next_zero_bit((addr), (size), 0)
#define ext2_find_next_zero_bit(addr, size, off) \
generic_find_next_zero_le_bit((unsigned long*)addr, size, off)
/* 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)
#endif /* _PPC_BITOPS_H */