diff options
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/ubi/build.c | 28 | ||||
| -rw-r--r-- | drivers/mtd/ubi/eba.c | 70 | ||||
| -rw-r--r-- | drivers/mtd/ubi/io.c | 66 | ||||
| -rw-r--r-- | drivers/mtd/ubi/scan.c | 19 | ||||
| -rw-r--r-- | drivers/mtd/ubi/scan.h | 8 | ||||
| -rw-r--r-- | drivers/mtd/ubi/ubi.h | 30 | ||||
| -rw-r--r-- | drivers/mtd/ubi/vtbl.c | 6 | ||||
| -rw-r--r-- | drivers/mtd/ubi/wl.c | 4 |
8 files changed, 119 insertions, 112 deletions
diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c index 1cb22bfae750..023653977a1a 100644 --- a/drivers/mtd/ubi/build.c +++ b/drivers/mtd/ubi/build.c @@ -565,7 +565,7 @@ static int attach_mtd_dev(const char *mtd_dev, int vid_hdr_offset, } ubi = ubi_devices[ubi_devices_cnt] = kzalloc(sizeof(struct ubi_device), - GFP_KERNEL); + GFP_KERNEL); if (!ubi) { err = -ENOMEM; goto out_mtd; @@ -583,6 +583,22 @@ static int attach_mtd_dev(const char *mtd_dev, int vid_hdr_offset, if (err) goto out_free; + mutex_init(&ubi->buf_mutex); + ubi->peb_buf1 = vmalloc(ubi->peb_size); + if (!ubi->peb_buf1) + goto out_free; + + ubi->peb_buf2 = vmalloc(ubi->peb_size); + if (!ubi->peb_buf2) + goto out_free; + +#ifdef CONFIG_MTD_UBI_DEBUG + mutex_init(&ubi->dbg_buf_mutex); + ubi->dbg_peb_buf = vmalloc(ubi->peb_size); + if (!ubi->dbg_peb_buf) + goto out_free; +#endif + err = attach_by_scanning(ubi); if (err) { dbg_err("failed to attach by scanning, error %d", err); @@ -630,6 +646,11 @@ out_detach: ubi_wl_close(ubi); vfree(ubi->vtbl); out_free: + vfree(ubi->peb_buf1); + vfree(ubi->peb_buf2); +#ifdef CONFIG_MTD_UBI_DEBUG + vfree(ubi->dbg_peb_buf); +#endif kfree(ubi); out_mtd: put_mtd_device(mtd); @@ -651,6 +672,11 @@ static void detach_mtd_dev(struct ubi_device *ubi) ubi_wl_close(ubi); vfree(ubi->vtbl); put_mtd_device(ubi->mtd); + vfree(ubi->peb_buf1); + vfree(ubi->peb_buf2); +#ifdef CONFIG_MTD_UBI_DEBUG + vfree(ubi->dbg_peb_buf); +#endif kfree(ubi_devices[ubi_num]); ubi_devices[ubi_num] = NULL; ubi_devices_cnt -= 1; diff --git a/drivers/mtd/ubi/eba.c b/drivers/mtd/ubi/eba.c index 89193104c6c8..81bb6a33b555 100644 --- a/drivers/mtd/ubi/eba.c +++ b/drivers/mtd/ubi/eba.c @@ -495,16 +495,18 @@ static int recover_peb(struct ubi_device *ubi, int pnum, int vol_id, int lnum, int err, idx = vol_id2idx(ubi, vol_id), new_pnum, data_size, tries = 0; struct ubi_volume *vol = ubi->volumes[idx]; struct ubi_vid_hdr *vid_hdr; - unsigned char *new_buf; vid_hdr = ubi_zalloc_vid_hdr(ubi, GFP_NOFS); if (!vid_hdr) { return -ENOMEM; } + mutex_lock(&ubi->buf_mutex); + retry: new_pnum = ubi_wl_get_peb(ubi, UBI_UNKNOWN); if (new_pnum < 0) { + mutex_unlock(&ubi->buf_mutex); ubi_free_vid_hdr(ubi, vid_hdr); return new_pnum; } @@ -524,31 +526,22 @@ retry: goto write_error; data_size = offset + len; - new_buf = vmalloc(data_size); - if (!new_buf) { - err = -ENOMEM; - goto out_put; - } - memset(new_buf + offset, 0xFF, len); + memset(ubi->peb_buf1 + offset, 0xFF, len); /* Read everything before the area where the write failure happened */ if (offset > 0) { - err = ubi_io_read_data(ubi, new_buf, pnum, 0, offset); - if (err && err != UBI_IO_BITFLIPS) { - vfree(new_buf); + err = ubi_io_read_data(ubi, ubi->peb_buf1, pnum, 0, offset); + if (err && err != UBI_IO_BITFLIPS) goto out_put; - } } - memcpy(new_buf + offset, buf, len); + memcpy(ubi->peb_buf1 + offset, buf, len); - err = ubi_io_write_data(ubi, new_buf, new_pnum, 0, data_size); - if (err) { - vfree(new_buf); + err = ubi_io_write_data(ubi, ubi->peb_buf1, new_pnum, 0, data_size); + if (err) goto write_error; - } - vfree(new_buf); + mutex_unlock(&ubi->buf_mutex); ubi_free_vid_hdr(ubi, vid_hdr); vol->eba_tbl[lnum] = new_pnum; @@ -558,6 +551,7 @@ retry: return 0; out_put: + mutex_unlock(&ubi->buf_mutex); ubi_wl_put_peb(ubi, new_pnum, 1); ubi_free_vid_hdr(ubi, vid_hdr); return err; @@ -570,6 +564,7 @@ write_error: ubi_warn("failed to write to PEB %d", new_pnum); ubi_wl_put_peb(ubi, new_pnum, 1); if (++tries > UBI_IO_RETRIES) { + mutex_unlock(&ubi->buf_mutex); ubi_free_vid_hdr(ubi, vid_hdr); return err; } @@ -965,7 +960,6 @@ int ubi_eba_copy_leb(struct ubi_device *ubi, int from, int to, int err, vol_id, lnum, data_size, aldata_size, pnum, idx; struct ubi_volume *vol; uint32_t crc; - void *buf, *buf1 = NULL; vol_id = be32_to_cpu(vid_hdr->vol_id); lnum = be32_to_cpu(vid_hdr->lnum); @@ -979,19 +973,15 @@ int ubi_eba_copy_leb(struct ubi_device *ubi, int from, int to, data_size = aldata_size = ubi->leb_size - be32_to_cpu(vid_hdr->data_pad); - buf = vmalloc(aldata_size); - if (!buf) - return -ENOMEM; - /* * We do not want anybody to write to this logical eraseblock while we * are moving it, so we lock it. */ err = leb_write_lock(ubi, vol_id, lnum); - if (err) { - vfree(buf); + if (err) return err; - } + + mutex_lock(&ubi->buf_mutex); /* * But the logical eraseblock might have been put by this time. @@ -1023,7 +1013,7 @@ int ubi_eba_copy_leb(struct ubi_device *ubi, int from, int to, /* OK, now the LEB is locked and we can safely start moving it */ dbg_eba("read %d bytes of data", aldata_size); - err = ubi_io_read_data(ubi, buf, from, 0, aldata_size); + err = ubi_io_read_data(ubi, ubi->peb_buf1, from, 0, aldata_size); if (err && err != UBI_IO_BITFLIPS) { ubi_warn("error %d while reading data from PEB %d", err, from); @@ -1042,10 +1032,10 @@ int ubi_eba_copy_leb(struct ubi_device *ubi, int from, int to, */ if (vid_hdr->vol_type == UBI_VID_DYNAMIC) aldata_size = data_size = - ubi_calc_data_len(ubi, buf, data_size); + ubi_calc_data_len(ubi, ubi->peb_buf1, data_size); cond_resched(); - crc = crc32(UBI_CRC32_INIT, buf, data_size); + crc = crc32(UBI_CRC32_INIT, ubi->peb_buf1, data_size); cond_resched(); /* @@ -1076,23 +1066,18 @@ int ubi_eba_copy_leb(struct ubi_device *ubi, int from, int to, } if (data_size > 0) { - err = ubi_io_write_data(ubi, buf, to, 0, aldata_size); + err = ubi_io_write_data(ubi, ubi->peb_buf1, to, 0, aldata_size); if (err) goto out_unlock; + cond_resched(); + /* * We've written the data and are going to read it back to make * sure it was written correctly. */ - buf1 = vmalloc(aldata_size); - if (!buf1) { - err = -ENOMEM; - goto out_unlock; - } - cond_resched(); - - err = ubi_io_read_data(ubi, buf1, to, 0, aldata_size); + err = ubi_io_read_data(ubi, ubi->peb_buf2, to, 0, aldata_size); if (err) { if (err != UBI_IO_BITFLIPS) ubi_warn("cannot read data back from PEB %d", @@ -1102,7 +1087,7 @@ int ubi_eba_copy_leb(struct ubi_device *ubi, int from, int to, cond_resched(); - if (memcmp(buf, buf1, aldata_size)) { + if (memcmp(ubi->peb_buf1, ubi->peb_buf2, aldata_size)) { ubi_warn("read data back from PEB %d - it is different", to); goto out_unlock; @@ -1112,16 +1097,9 @@ int ubi_eba_copy_leb(struct ubi_device *ubi, int from, int to, ubi_assert(vol->eba_tbl[lnum] == from); vol->eba_tbl[lnum] = to; - leb_write_unlock(ubi, vol_id, lnum); - vfree(buf); - vfree(buf1); - - return 0; - out_unlock: + mutex_unlock(&ubi->buf_mutex); leb_write_unlock(ubi, vol_id, lnum); - vfree(buf); - vfree(buf1); return err; } diff --git a/drivers/mtd/ubi/io.c b/drivers/mtd/ubi/io.c index ba5bc4a5379e..52476d884c48 100644 --- a/drivers/mtd/ubi/io.c +++ b/drivers/mtd/ubi/io.c @@ -98,8 +98,8 @@ static int paranoid_check_ec_hdr(const struct ubi_device *ubi, int pnum, static int paranoid_check_peb_vid_hdr(const struct ubi_device *ubi, int pnum); static int paranoid_check_vid_hdr(const struct ubi_device *ubi, int pnum, const struct ubi_vid_hdr *vid_hdr); -static int paranoid_check_all_ff(const struct ubi_device *ubi, int pnum, - int offset, int len); +static int paranoid_check_all_ff(struct ubi_device *ubi, int pnum, int offset, + int len); #else #define paranoid_check_not_bad(ubi, pnum) 0 #define paranoid_check_peb_ec_hdr(ubi, pnum) 0 @@ -202,8 +202,8 @@ retry: * Note, in case of an error, it is possible that something was still written * to the flash media, but may be some garbage. */ -int ubi_io_write(const struct ubi_device *ubi, const void *buf, int pnum, - int offset, int len) +int ubi_io_write(struct ubi_device *ubi, const void *buf, int pnum, int offset, + int len) { int err; size_t written; @@ -285,7 +285,7 @@ static void erase_callback(struct erase_info *ei) * zero in case of success and a negative error code in case of failure. If * %-EIO is returned, the physical eraseblock most probably went bad. */ -static int do_sync_erase(const struct ubi_device *ubi, int pnum) +static int do_sync_erase(struct ubi_device *ubi, int pnum) { int err, retries = 0; struct erase_info ei; @@ -377,29 +377,25 @@ static uint8_t patterns[] = {0xa5, 0x5a, 0x0}; * test, a positive number of erase operations done if the test was * successfully passed, and other negative error codes in case of other errors. */ -static int torture_peb(const struct ubi_device *ubi, int pnum) +static int torture_peb(struct ubi_device *ubi, int pnum) { - void *buf; int err, i, patt_count; - buf = vmalloc(ubi->peb_size); - if (!buf) - return -ENOMEM; - patt_count = ARRAY_SIZE(patterns); ubi_assert(patt_count > 0); + mutex_lock(&ubi->buf_mutex); for (i = 0; i < patt_count; i++) { err = do_sync_erase(ubi, pnum); if (err) goto out; /* Make sure the PEB contains only 0xFF bytes */ - err = ubi_io_read(ubi, buf, pnum, 0, ubi->peb_size); + err = ubi_io_read(ubi, ubi->peb_buf1, pnum, 0, ubi->peb_size); if (err) goto out; - err = check_pattern(buf, 0xFF, ubi->peb_size); + err = check_pattern(ubi->peb_buf1, 0xFF, ubi->peb_size); if (err == 0) { ubi_err("erased PEB %d, but a non-0xFF byte found", pnum); @@ -408,17 +404,17 @@ static int torture_peb(const struct ubi_device *ubi, int pnum) } /* Write a pattern and check it */ - memset(buf, patterns[i], ubi->peb_size); - err = ubi_io_write(ubi, buf, pnum, 0, ubi->peb_size); + memset(ubi->peb_buf1, patterns[i], ubi->peb_size); + err = ubi_io_write(ubi, ubi->peb_buf1, pnum, 0, ubi->peb_size); if (err) goto out; - memset(buf, ~patterns[i], ubi->peb_size); - err = ubi_io_read(ubi, buf, pnum, 0, ubi->peb_size); + memset(ubi->peb_buf1, ~patterns[i], ubi->peb_size); + err = ubi_io_read(ubi, ubi->peb_buf1, pnum, 0, ubi->peb_size); if (err) goto out; - err = check_pattern(buf, patterns[i], ubi->peb_size); + err = check_pattern(ubi->peb_buf1, patterns[i], ubi->peb_size); if (err == 0) { ubi_err("pattern %x checking failed for PEB %d", patterns[i], pnum); @@ -430,6 +426,7 @@ static int torture_peb(const struct ubi_device *ubi, int pnum) err = patt_count; out: + mutex_unlock(&ubi->buf_mutex); if (err == UBI_IO_BITFLIPS || err == -EBADMSG) { /* * If a bit-flip or data integrity error was detected, the test @@ -440,7 +437,6 @@ out: pnum); err = -EIO; } - vfree(buf); return err; } @@ -460,7 +456,7 @@ out: * codes in case of other errors. Note, %-EIO means that the physical * eraseblock is bad. */ -int ubi_io_sync_erase(const struct ubi_device *ubi, int pnum, int torture) +int ubi_io_sync_erase(struct ubi_device *ubi, int pnum, int torture) { int err, ret = 0; @@ -617,7 +613,7 @@ bad: * o %UBI_IO_PEB_EMPTY if the physical eraseblock is empty; * o a negative error code in case of failure. */ -int ubi_io_read_ec_hdr(const struct ubi_device *ubi, int pnum, +int ubi_io_read_ec_hdr(struct ubi_device *ubi, int pnum, struct ubi_ec_hdr *ec_hdr, int verbose) { int err, read_err = 0; @@ -723,7 +719,7 @@ int ubi_io_read_ec_hdr(const struct ubi_device *ubi, int pnum, * case of failure. If %-EIO is returned, the physical eraseblock most probably * went bad. */ -int ubi_io_write_ec_hdr(const struct ubi_device *ubi, int pnum, +int ubi_io_write_ec_hdr(struct ubi_device *ubi, int pnum, struct ubi_ec_hdr *ec_hdr) { int err; @@ -889,7 +885,7 @@ bad: * header there); * o a negative error code in case of failure. */ -int ubi_io_read_vid_hdr(const struct ubi_device *ubi, int pnum, +int ubi_io_read_vid_hdr(struct ubi_device *ubi, int pnum, struct ubi_vid_hdr *vid_hdr, int verbose) { int err, read_err = 0; @@ -996,7 +992,7 @@ int ubi_io_read_vid_hdr(const struct ubi_device *ubi, int pnum, * case of failure. If %-EIO is returned, the physical eraseblock probably went * bad. */ -int ubi_io_write_vid_hdr(const struct ubi_device *ubi, int pnum, +int ubi_io_write_vid_hdr(struct ubi_device *ubi, int pnum, struct ubi_vid_hdr *vid_hdr) { int err; @@ -1219,44 +1215,40 @@ exit: * @offset of the physical eraseblock @pnum, %1 if not, and a negative error * code if an error occurred. */ -static int paranoid_check_all_ff(const struct ubi_device *ubi, int pnum, - int offset, int len) +static int paranoid_check_all_ff(struct ubi_device *ubi, int pnum, int offset, + int len) { size_t read; int err; - void *buf; loff_t addr = (loff_t)pnum * ubi->peb_size + offset; - buf = vmalloc(len); - if (!buf) - return -ENOMEM; - memset(buf, 0, len); - - err = ubi->mtd->read(ubi->mtd, addr, len, &read, buf); + mutex_lock(&ubi->dbg_buf_mutex); + err = ubi->mtd->read(ubi->mtd, addr, len, &read, ubi->dbg_peb_buf); if (err && err != -EUCLEAN) { ubi_err("error %d while reading %d bytes from PEB %d:%d, " "read %zd bytes", err, len, pnum, offset, read); goto error; } - err = check_pattern(buf, 0xFF, len); + err = check_pattern(ubi->dbg_peb_buf, 0xFF, len); if (err == 0) { ubi_err("flash region at PEB %d:%d, length %d does not " "contain all 0xFF bytes", pnum, offset, len); goto fail; } + mutex_unlock(&ubi->dbg_buf_mutex); - vfree(buf); return 0; fail: ubi_err("paranoid check failed for PEB %d", pnum); dbg_msg("hex dump of the %d-%d region", offset, offset + len); - print_hex_dump(KERN_DEBUG, "", DUMP_PREFIX_OFFSET, 32, 4, buf, len, 1); + print_hex_dump(KERN_DEBUG, "", DUMP_PREFIX_OFFSET, 32, 4, + ubi->dbg_peb_buf, len, 1); err = 1; error: ubi_dbg_dump_stack(); - vfree(buf); + mutex_unlock(&ubi->dbg_buf_mutex); return err; } diff --git a/drivers/mtd/ubi/scan.c b/drivers/mtd/ubi/scan.c index 1c1401d6958b..44d87e8158c6 100644 --- a/drivers/mtd/ubi/scan.c +++ b/drivers/mtd/ubi/scan.c @@ -45,8 +45,7 @@ #include "ubi.h" #ifdef CONFIG_MTD_UBI_DEBUG_PARANOID -static int paranoid_check_si(const struct ubi_device *ubi, - struct ubi_scan_info *si); +static int paranoid_check_si(struct ubi_device *ubi, struct ubi_scan_info *si); #else #define paranoid_check_si(ubi, si) 0 #endif @@ -259,9 +258,8 @@ static struct ubi_scan_volume *add_volume(struct ubi_scan_info *si, int vol_id, * o bit 2 is cleared: the older LEB is not corrupted; * o bit 2 is set: the older LEB is corrupted. */ -static int compare_lebs(const struct ubi_device *ubi, - const struct ubi_scan_leb *seb, int pnum, - const struct ubi_vid_hdr *vid_hdr) +static int compare_lebs(struct ubi_device *ubi, const struct ubi_scan_leb *seb, + int pnum, const struct ubi_vid_hdr *vid_hdr) { void *buf; int len, err, second_is_newer, bitflips = 0, corrupted = 0; @@ -413,7 +411,7 @@ out_free_vidh: * to be picked, while the older one has to be dropped. This function returns * zero in case of success and a negative error code in case of failure. */ -int ubi_scan_add_used(const struct ubi_device *ubi, struct ubi_scan_info *si, +int ubi_scan_add_used(struct ubi_device *ubi, struct ubi_scan_info *si, int pnum, int ec, const struct ubi_vid_hdr *vid_hdr, int bitflips) { @@ -667,8 +665,8 @@ void ubi_scan_rm_volume(struct ubi_scan_info *si, struct ubi_scan_volume *sv) * function returns zero in case of success and a negative error code in case * of failure. */ -int ubi_scan_erase_peb(const struct ubi_device *ubi, - const struct ubi_scan_info *si, int pnum, int ec) +int ubi_scan_erase_peb(struct ubi_device *ubi, const struct ubi_scan_info *si, + int pnum, int ec) { int err; struct ubi_ec_hdr *ec_hdr; @@ -712,7 +710,7 @@ out_free: * This function returns scanning physical eraseblock information in case of * success and an error code in case of failure. */ -struct ubi_scan_leb *ubi_scan_get_free_peb(const struct ubi_device *ubi, +struct ubi_scan_leb *ubi_scan_get_free_peb(struct ubi_device *ubi, struct ubi_scan_info *si) { int err = 0, i; @@ -1110,8 +1108,7 @@ void ubi_scan_destroy_si(struct ubi_scan_info *si) * This function returns zero if the scanning information is all right, %1 if * not and a negative error code if an error occurred. */ -static int paranoid_check_si(const struct ubi_device *ubi, - struct ubi_scan_info *si) +static int paranoid_check_si(struct ubi_device *ubi, struct ubi_scan_info *si) { int pnum, err, vols_found = 0; struct rb_node *rb1, *rb2; diff --git a/drivers/mtd/ubi/scan.h b/drivers/mtd/ubi/scan.h index 140e82e26534..46d444af471a 100644 --- a/drivers/mtd/ubi/scan.h +++ b/drivers/mtd/ubi/scan.h @@ -147,7 +147,7 @@ static inline void ubi_scan_move_to_list(struct ubi_scan_volume *sv, list_add_tail(&seb->u.list, list); } -int ubi_scan_add_used(const struct ubi_device *ubi, struct ubi_scan_info *si, +int ubi_scan_add_used(struct ubi_device *ubi, struct ubi_scan_info *si, int pnum, int ec, const struct ubi_vid_hdr *vid_hdr, int bitflips); struct ubi_scan_volume *ubi_scan_find_sv(const struct ubi_scan_info *si, @@ -155,10 +155,10 @@ struct ubi_scan_volume *ubi_scan_find_sv(const struct ubi_scan_info *si, struct ubi_scan_leb *ubi_scan_find_seb(const struct ubi_scan_volume *sv, int lnum); void ubi_scan_rm_volume(struct ubi_scan_info *si, struct ubi_scan_volume *sv); -struct ubi_scan_leb *ubi_scan_get_free_peb(const struct ubi_device *ubi, +struct ubi_scan_leb *ubi_scan_get_free_peb(struct ubi_device *ubi, struct ubi_scan_info *si); -int ubi_scan_erase_peb(const struct ubi_device *ubi, - const struct ubi_scan_info *si, int pnum, int ec); +int ubi_scan_erase_peb(struct ubi_device *ubi, const struct ubi_scan_info *si, + int pnum, int ec); struct ubi_scan_info *ubi_scan(struct ubi_device *ubi); void ubi_scan_destroy_si(struct ubi_scan_info *si); diff --git a/drivers/mtd/ubi/ubi.h b/drivers/mtd/ubi/ubi.h index 329663188772..cc010111264f 100644 --- a/drivers/mtd/ubi/ubi.h +++ b/drivers/mtd/ubi/ubi.h @@ -274,6 +274,12 @@ struct ubi_wl_entry; * @bad_allowed: whether the MTD device admits of bad physical eraseblocks or * not * @mtd: MTD device descriptor + * + * @peb_buf1: a buffer of PEB size used for different purposes + * @peb_buf2: another buffer of PEB size used for different purposes + * @buf_mutex: proptects @peb_buf1 and @peb_buf2 + * @dbg_peb_buf: buffer of PEB size used for debugging + * @dbg_buf_mutex: proptects @dbg_peb_buf */ struct ubi_device { struct cdev cdev; @@ -343,6 +349,14 @@ struct ubi_device { int vid_hdr_shift; int bad_allowed; struct mtd_info *mtd; + + void *peb_buf1; + void *peb_buf2; + struct mutex buf_mutex; +#ifdef CONFIG_MTD_UBI_DEBUG + void *dbg_peb_buf; + struct mutex dbg_buf_mutex; +#endif }; extern struct file_operations ubi_cdev_operations; @@ -409,18 +423,18 @@ void ubi_wl_close(struct ubi_device *ubi); /* io.c */ int ubi_io_read(const struct ubi_device *ubi, void *buf, int pnum, int offset, int len); -int ubi_io_write(const struct ubi_device *ubi, const void *buf, int pnum, - int offset, int len); -int ubi_io_sync_erase(const struct ubi_device *ubi, int pnum, int torture); +int ubi_io_write(struct ubi_device *ubi, const void *buf, int pnum, int offset, + int len); +int ubi_io_sync_erase(struct ubi_device *ubi, int pnum, int torture); int ubi_io_is_bad(const struct ubi_device *ubi, int pnum); int ubi_io_mark_bad(const struct ubi_device *ubi, int pnum); -int ubi_io_read_ec_hdr(const struct ubi_device *ubi, int pnum, +int ubi_io_read_ec_hdr(struct ubi_device *ubi, int pnum, struct ubi_ec_hdr *ec_hdr, int verbose); -int ubi_io_write_ec_hdr(const struct ubi_device *ubi, int pnum, +int ubi_io_write_ec_hdr(struct ubi_device *ubi, int pnum, struct ubi_ec_hdr *ec_hdr); -int ubi_io_read_vid_hdr(const struct ubi_device *ubi, int pnum, +int ubi_io_read_vid_hdr(struct ubi_device *ubi, int pnum, struct ubi_vid_hdr *vid_hdr, int verbose); -int ubi_io_write_vid_hdr(const struct ubi_device *ubi, int pnum, +int ubi_io_write_vid_hdr(struct ubi_device *ubi, int pnum, struct ubi_vid_hdr *vid_hdr); /* @@ -494,7 +508,7 @@ static inline int ubi_io_read_data(const struct ubi_device *ubi, void *buf, * the beginning of the logical eraseblock, not to the beginning of the * physical eraseblock. */ -static inline int ubi_io_write_data(const struct ubi_device *ubi, const void *buf, +static inline int ubi_io_write_data(struct ubi_device *ubi, const void *buf, int pnum, int offset, int len) { ubi_assert(offset >= 0); diff --git a/drivers/mtd/ubi/vtbl.c b/drivers/mtd/ubi/vtbl.c index b0a1e8426456..25b3bd61c7ec 100644 --- a/drivers/mtd/ubi/vtbl.c +++ b/drivers/mtd/ubi/vtbl.c @@ -254,7 +254,7 @@ bad: * This function returns zero in case of success and a negative error code in * case of failure. */ -static int create_vtbl(const struct ubi_device *ubi, struct ubi_scan_info *si, +static int create_vtbl(struct ubi_device *ubi, struct ubi_scan_info *si, int copy, void *vtbl) { int err, tries = 0; @@ -339,7 +339,7 @@ out_free: * not corrupted, and recovering from corruptions if needed. Returns volume * table in case of success and a negative error code in case of failure. */ -static struct ubi_vtbl_record *process_lvol(const struct ubi_device *ubi, +static struct ubi_vtbl_record *process_lvol(struct ubi_device *ubi, struct ubi_scan_info *si, struct ubi_scan_volume *sv) { @@ -453,7 +453,7 @@ out_free: * This function returns volume table contents in case of success and a * negative error code in case of failure. */ -static struct ubi_vtbl_record *create_empty_lvol(const struct ubi_device *ubi, +static struct ubi_vtbl_record *create_empty_lvol(struct ubi_device *ubi, struct ubi_scan_info *si) { int i; diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c index 248ff9e477e7..6e5315bf5e1b 100644 --- a/drivers/mtd/ubi/wl.c +++ b/drivers/mtd/ubi/wl.c @@ -208,7 +208,7 @@ struct ubi_work { }; #ifdef CONFIG_MTD_UBI_DEBUG_PARANOID -static int paranoid_check_ec(const struct ubi_device *ubi, int pnum, int ec); +static int paranoid_check_ec(struct ubi_device *ubi, int pnum, int ec); static int paranoid_check_in_wl_tree(struct ubi_wl_entry *e, struct rb_root *root); #else @@ -1625,7 +1625,7 @@ void ubi_wl_close(struct ubi_device *ubi) * is equivalent to @ec, %1 if not, and a negative error code if an error * occurred. */ -static int paranoid_check_ec(const struct ubi_device *ubi, int pnum, int ec) +static int paranoid_check_ec(struct ubi_device *ubi, int pnum, int ec) { int err; long long read_ec; |