diff options
Diffstat (limited to 'drivers/mtd/devices/doc2000.c')
-rw-r--r-- | drivers/mtd/devices/doc2000.c | 37 |
1 files changed, 19 insertions, 18 deletions
diff --git a/drivers/mtd/devices/doc2000.c b/drivers/mtd/devices/doc2000.c index e4345cf744a2..23e7a5c7d2c1 100644 --- a/drivers/mtd/devices/doc2000.c +++ b/drivers/mtd/devices/doc2000.c | |||
@@ -20,6 +20,7 @@ | |||
20 | #include <linux/init.h> | 20 | #include <linux/init.h> |
21 | #include <linux/types.h> | 21 | #include <linux/types.h> |
22 | #include <linux/bitops.h> | 22 | #include <linux/bitops.h> |
23 | #include <linux/mutex.h> | ||
23 | 24 | ||
24 | #include <linux/mtd/mtd.h> | 25 | #include <linux/mtd/mtd.h> |
25 | #include <linux/mtd/nand.h> | 26 | #include <linux/mtd/nand.h> |
@@ -605,7 +606,7 @@ static void DoC2k_init(struct mtd_info *mtd) | |||
605 | 606 | ||
606 | this->curfloor = -1; | 607 | this->curfloor = -1; |
607 | this->curchip = -1; | 608 | this->curchip = -1; |
608 | init_MUTEX(&this->lock); | 609 | mutex_init(&this->lock); |
609 | 610 | ||
610 | /* Ident all the chips present. */ | 611 | /* Ident all the chips present. */ |
611 | DoC_ScanChips(this, maxchips); | 612 | DoC_ScanChips(this, maxchips); |
@@ -645,7 +646,7 @@ static int doc_read_ecc(struct mtd_info *mtd, loff_t from, size_t len, | |||
645 | if (from >= this->totlen) | 646 | if (from >= this->totlen) |
646 | return -EINVAL; | 647 | return -EINVAL; |
647 | 648 | ||
648 | down(&this->lock); | 649 | mutex_lock(&this->lock); |
649 | 650 | ||
650 | *retlen = 0; | 651 | *retlen = 0; |
651 | while (left) { | 652 | while (left) { |
@@ -774,7 +775,7 @@ static int doc_read_ecc(struct mtd_info *mtd, loff_t from, size_t len, | |||
774 | buf += len; | 775 | buf += len; |
775 | } | 776 | } |
776 | 777 | ||
777 | up(&this->lock); | 778 | mutex_unlock(&this->lock); |
778 | 779 | ||
779 | return ret; | 780 | return ret; |
780 | } | 781 | } |
@@ -803,7 +804,7 @@ static int doc_write_ecc(struct mtd_info *mtd, loff_t to, size_t len, | |||
803 | if (to >= this->totlen) | 804 | if (to >= this->totlen) |
804 | return -EINVAL; | 805 | return -EINVAL; |
805 | 806 | ||
806 | down(&this->lock); | 807 | mutex_lock(&this->lock); |
807 | 808 | ||
808 | *retlen = 0; | 809 | *retlen = 0; |
809 | while (left) { | 810 | while (left) { |
@@ -873,7 +874,7 @@ static int doc_write_ecc(struct mtd_info *mtd, loff_t to, size_t len, | |||
873 | printk(KERN_ERR "Error programming flash\n"); | 874 | printk(KERN_ERR "Error programming flash\n"); |
874 | /* Error in programming */ | 875 | /* Error in programming */ |
875 | *retlen = 0; | 876 | *retlen = 0; |
876 | up(&this->lock); | 877 | mutex_unlock(&this->lock); |
877 | return -EIO; | 878 | return -EIO; |
878 | } | 879 | } |
879 | 880 | ||
@@ -935,7 +936,7 @@ static int doc_write_ecc(struct mtd_info *mtd, loff_t to, size_t len, | |||
935 | printk(KERN_ERR "Error programming flash\n"); | 936 | printk(KERN_ERR "Error programming flash\n"); |
936 | /* Error in programming */ | 937 | /* Error in programming */ |
937 | *retlen = 0; | 938 | *retlen = 0; |
938 | up(&this->lock); | 939 | mutex_unlock(&this->lock); |
939 | return -EIO; | 940 | return -EIO; |
940 | } | 941 | } |
941 | 942 | ||
@@ -956,7 +957,7 @@ static int doc_write_ecc(struct mtd_info *mtd, loff_t to, size_t len, | |||
956 | 957 | ||
957 | ret = doc_write_oob_nolock(mtd, to, 8, &dummy, x); | 958 | ret = doc_write_oob_nolock(mtd, to, 8, &dummy, x); |
958 | if (ret) { | 959 | if (ret) { |
959 | up(&this->lock); | 960 | mutex_unlock(&this->lock); |
960 | return ret; | 961 | return ret; |
961 | } | 962 | } |
962 | } | 963 | } |
@@ -966,7 +967,7 @@ static int doc_write_ecc(struct mtd_info *mtd, loff_t to, size_t len, | |||
966 | buf += len; | 967 | buf += len; |
967 | } | 968 | } |
968 | 969 | ||
969 | up(&this->lock); | 970 | mutex_unlock(&this->lock); |
970 | return 0; | 971 | return 0; |
971 | } | 972 | } |
972 | 973 | ||
@@ -975,13 +976,13 @@ static int doc_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs, | |||
975 | u_char *eccbuf, struct nand_oobinfo *oobsel) | 976 | u_char *eccbuf, struct nand_oobinfo *oobsel) |
976 | { | 977 | { |
977 | static char static_buf[512]; | 978 | static char static_buf[512]; |
978 | static DECLARE_MUTEX(writev_buf_sem); | 979 | static DEFINE_MUTEX(writev_buf_mutex); |
979 | 980 | ||
980 | size_t totretlen = 0; | 981 | size_t totretlen = 0; |
981 | size_t thisvecofs = 0; | 982 | size_t thisvecofs = 0; |
982 | int ret= 0; | 983 | int ret= 0; |
983 | 984 | ||
984 | down(&writev_buf_sem); | 985 | mutex_lock(&writev_buf_mutex); |
985 | 986 | ||
986 | while(count) { | 987 | while(count) { |
987 | size_t thislen, thisretlen; | 988 | size_t thislen, thisretlen; |
@@ -1024,7 +1025,7 @@ static int doc_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs, | |||
1024 | to += thislen; | 1025 | to += thislen; |
1025 | } | 1026 | } |
1026 | 1027 | ||
1027 | up(&writev_buf_sem); | 1028 | mutex_unlock(&writev_buf_mutex); |
1028 | *retlen = totretlen; | 1029 | *retlen = totretlen; |
1029 | return ret; | 1030 | return ret; |
1030 | } | 1031 | } |
@@ -1037,7 +1038,7 @@ static int doc_read_oob(struct mtd_info *mtd, loff_t ofs, size_t len, | |||
1037 | int len256 = 0, ret; | 1038 | int len256 = 0, ret; |
1038 | struct Nand *mychip; | 1039 | struct Nand *mychip; |
1039 | 1040 | ||
1040 | down(&this->lock); | 1041 | mutex_lock(&this->lock); |
1041 | 1042 | ||
1042 | mychip = &this->chips[ofs >> this->chipshift]; | 1043 | mychip = &this->chips[ofs >> this->chipshift]; |
1043 | 1044 | ||
@@ -1083,7 +1084,7 @@ static int doc_read_oob(struct mtd_info *mtd, loff_t ofs, size_t len, | |||
1083 | 1084 | ||
1084 | ret = DoC_WaitReady(this); | 1085 | ret = DoC_WaitReady(this); |
1085 | 1086 | ||
1086 | up(&this->lock); | 1087 | mutex_unlock(&this->lock); |
1087 | return ret; | 1088 | return ret; |
1088 | 1089 | ||
1089 | } | 1090 | } |
@@ -1197,10 +1198,10 @@ static int doc_write_oob(struct mtd_info *mtd, loff_t ofs, size_t len, | |||
1197 | struct DiskOnChip *this = mtd->priv; | 1198 | struct DiskOnChip *this = mtd->priv; |
1198 | int ret; | 1199 | int ret; |
1199 | 1200 | ||
1200 | down(&this->lock); | 1201 | mutex_lock(&this->lock); |
1201 | ret = doc_write_oob_nolock(mtd, ofs, len, retlen, buf); | 1202 | ret = doc_write_oob_nolock(mtd, ofs, len, retlen, buf); |
1202 | 1203 | ||
1203 | up(&this->lock); | 1204 | mutex_unlock(&this->lock); |
1204 | return ret; | 1205 | return ret; |
1205 | } | 1206 | } |
1206 | 1207 | ||
@@ -1214,10 +1215,10 @@ static int doc_erase(struct mtd_info *mtd, struct erase_info *instr) | |||
1214 | struct Nand *mychip; | 1215 | struct Nand *mychip; |
1215 | int status; | 1216 | int status; |
1216 | 1217 | ||
1217 | down(&this->lock); | 1218 | mutex_lock(&this->lock); |
1218 | 1219 | ||
1219 | if (ofs & (mtd->erasesize-1) || len & (mtd->erasesize-1)) { | 1220 | if (ofs & (mtd->erasesize-1) || len & (mtd->erasesize-1)) { |
1220 | up(&this->lock); | 1221 | mutex_unlock(&this->lock); |
1221 | return -EINVAL; | 1222 | return -EINVAL; |
1222 | } | 1223 | } |
1223 | 1224 | ||
@@ -1265,7 +1266,7 @@ static int doc_erase(struct mtd_info *mtd, struct erase_info *instr) | |||
1265 | callback: | 1266 | callback: |
1266 | mtd_erase_callback(instr); | 1267 | mtd_erase_callback(instr); |
1267 | 1268 | ||
1268 | up(&this->lock); | 1269 | mutex_unlock(&this->lock); |
1269 | return 0; | 1270 | return 0; |
1270 | } | 1271 | } |
1271 | 1272 | ||