diff options
author | James Morris <jmorris@namei.org> | 2008-11-14 11:29:12 +1100 |
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committer | James Morris <jmorris@namei.org> | 2008-11-14 11:29:12 +1100 |
commit | 2b828925652340277a889cbc11b2d0637f7cdaf7 (patch) | |
tree | 32fcb3d3e466fc419fad2d3717956a5b5ad3d35a /include/linux/mtd/cfi.h | |
parent | 3a3b7ce9336952ea7b9564d976d068a238976c9d (diff) | |
parent | 58e20d8d344b0ee083febb18c2b021d2427e56ca (diff) | |
download | op-kernel-dev-2b828925652340277a889cbc11b2d0637f7cdaf7.zip op-kernel-dev-2b828925652340277a889cbc11b2d0637f7cdaf7.tar.gz |
Merge branch 'master' into next
Conflicts:
security/keys/internal.h
security/keys/process_keys.c
security/keys/request_key.c
Fixed conflicts above by using the non 'tsk' versions.
Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'include/linux/mtd/cfi.h')
-rw-r--r-- | include/linux/mtd/cfi.h | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/include/linux/mtd/cfi.h b/include/linux/mtd/cfi.h index ee5124ec..00e2b57 100644 --- a/include/linux/mtd/cfi.h +++ b/include/linux/mtd/cfi.h @@ -282,9 +282,25 @@ struct cfi_private { /* * Returns the command address according to the given geometry. */ -static inline uint32_t cfi_build_cmd_addr(uint32_t cmd_ofs, int interleave, int type) +static inline uint32_t cfi_build_cmd_addr(uint32_t cmd_ofs, + struct map_info *map, struct cfi_private *cfi) { - return (cmd_ofs * type) * interleave; + unsigned bankwidth = map_bankwidth(map); + unsigned interleave = cfi_interleave(cfi); + unsigned type = cfi->device_type; + uint32_t addr; + + addr = (cmd_ofs * type) * interleave; + + /* Modify the unlock address if we are in compatiblity mode. + * For 16bit devices on 8 bit busses + * and 32bit devices on 16 bit busses + * set the low bit of the alternating bit sequence of the address. + */ + if (((type * interleave) > bankwidth) && ((uint8_t)cmd_ofs == 0xaa)) + addr |= (type >> 1)*interleave; + + return addr; } /* @@ -430,7 +446,7 @@ static inline uint32_t cfi_send_gen_cmd(u_char cmd, uint32_t cmd_addr, uint32_t int type, map_word *prev_val) { map_word val; - uint32_t addr = base + cfi_build_cmd_addr(cmd_addr, cfi_interleave(cfi), type); + uint32_t addr = base + cfi_build_cmd_addr(cmd_addr, map, cfi); val = cfi_build_cmd(cmd, map, cfi); if (prev_val) |