diff options
Diffstat (limited to 'arch/m68k')
-rw-r--r-- | arch/m68k/include/asm/bitops_no.h | 37 |
1 files changed, 27 insertions, 10 deletions
diff --git a/arch/m68k/include/asm/bitops_no.h b/arch/m68k/include/asm/bitops_no.h index 58c67aaf91e2..74b3f81f2e21 100644 --- a/arch/m68k/include/asm/bitops_no.h +++ b/arch/m68k/include/asm/bitops_no.h | |||
@@ -196,7 +196,19 @@ static __inline__ int __test_bit(int nr, const volatile unsigned long * addr) | |||
196 | #include <asm-generic/bitops/hweight.h> | 196 | #include <asm-generic/bitops/hweight.h> |
197 | #include <asm-generic/bitops/lock.h> | 197 | #include <asm-generic/bitops/lock.h> |
198 | 198 | ||
199 | static __inline__ int ext2_set_bit(int nr, volatile void * addr) | 199 | #define BITOP_LE_SWIZZLE ((BITS_PER_LONG-1) & ~0x7) |
200 | |||
201 | static inline void __set_bit_le(int nr, void *addr) | ||
202 | { | ||
203 | __set_bit(nr ^ BITOP_LE_SWIZZLE, addr); | ||
204 | } | ||
205 | |||
206 | static inline void __clear_bit_le(int nr, void *addr) | ||
207 | { | ||
208 | __clear_bit(nr ^ BITOP_LE_SWIZZLE, addr); | ||
209 | } | ||
210 | |||
211 | static inline int __test_and_set_bit_le(int nr, volatile void *addr) | ||
200 | { | 212 | { |
201 | char retval; | 213 | char retval; |
202 | 214 | ||
@@ -215,7 +227,7 @@ static __inline__ int ext2_set_bit(int nr, volatile void * addr) | |||
215 | return retval; | 227 | return retval; |
216 | } | 228 | } |
217 | 229 | ||
218 | static __inline__ int ext2_clear_bit(int nr, volatile void * addr) | 230 | static inline int __test_and_clear_bit_le(int nr, volatile void *addr) |
219 | { | 231 | { |
220 | char retval; | 232 | char retval; |
221 | 233 | ||
@@ -238,7 +250,7 @@ static __inline__ int ext2_clear_bit(int nr, volatile void * addr) | |||
238 | ({ \ | 250 | ({ \ |
239 | int ret; \ | 251 | int ret; \ |
240 | spin_lock(lock); \ | 252 | spin_lock(lock); \ |
241 | ret = ext2_set_bit((nr), (addr)); \ | 253 | ret = __test_and_set_bit_le((nr), (addr)); \ |
242 | spin_unlock(lock); \ | 254 | spin_unlock(lock); \ |
243 | ret; \ | 255 | ret; \ |
244 | }) | 256 | }) |
@@ -247,12 +259,12 @@ static __inline__ int ext2_clear_bit(int nr, volatile void * addr) | |||
247 | ({ \ | 259 | ({ \ |
248 | int ret; \ | 260 | int ret; \ |
249 | spin_lock(lock); \ | 261 | spin_lock(lock); \ |
250 | ret = ext2_clear_bit((nr), (addr)); \ | 262 | ret = __test_and_clear_bit_le((nr), (addr)); \ |
251 | spin_unlock(lock); \ | 263 | spin_unlock(lock); \ |
252 | ret; \ | 264 | ret; \ |
253 | }) | 265 | }) |
254 | 266 | ||
255 | static __inline__ int ext2_test_bit(int nr, const volatile void * addr) | 267 | static inline int test_bit_le(int nr, const volatile void *addr) |
256 | { | 268 | { |
257 | char retval; | 269 | char retval; |
258 | 270 | ||
@@ -271,10 +283,10 @@ static __inline__ int ext2_test_bit(int nr, const volatile void * addr) | |||
271 | return retval; | 283 | return retval; |
272 | } | 284 | } |
273 | 285 | ||
274 | #define ext2_find_first_zero_bit(addr, size) \ | 286 | #define find_first_zero_bit_le(addr, size) \ |
275 | ext2_find_next_zero_bit((addr), (size), 0) | 287 | find_next_zero_bit_le((addr), (size), 0) |
276 | 288 | ||
277 | static __inline__ unsigned long ext2_find_next_zero_bit(void *addr, unsigned long size, unsigned long offset) | 289 | static inline unsigned long find_next_zero_bit_le(void *addr, unsigned long size, unsigned long offset) |
278 | { | 290 | { |
279 | unsigned long *p = ((unsigned long *) addr) + (offset >> 5); | 291 | unsigned long *p = ((unsigned long *) addr) + (offset >> 5); |
280 | unsigned long result = offset & ~31UL; | 292 | unsigned long result = offset & ~31UL; |
@@ -324,8 +336,13 @@ found_middle: | |||
324 | return result + ffz(__swab32(tmp)); | 336 | return result + ffz(__swab32(tmp)); |
325 | } | 337 | } |
326 | 338 | ||
327 | #define ext2_find_next_bit(addr, size, off) \ | 339 | #define ext2_set_bit __test_and_set_bit_le |
328 | find_next_bit_le((unsigned long *)(addr), (size), (off)) | 340 | #define ext2_clear_bit __test_and_clear_bit_le |
341 | #define ext2_test_bit test_bit_le | ||
342 | #define ext2_find_first_zero_bit find_first_zero_bit_le | ||
343 | #define ext2_find_next_zero_bit find_next_zero_bit_le | ||
344 | #define ext2_find_next_bit find_next_bit_le | ||
345 | |||
329 | #include <asm-generic/bitops/minix.h> | 346 | #include <asm-generic/bitops/minix.h> |
330 | 347 | ||
331 | #endif /* __KERNEL__ */ | 348 | #endif /* __KERNEL__ */ |