diff options
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/devices/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/mtd/devices/powernv_flash.c | 2 | ||||
| -rw-r--r-- | drivers/mtd/mtd_blkdevs.c | 8 | ||||
| -rw-r--r-- | drivers/mtd/nand/omap2.c | 7 | ||||
| -rw-r--r-- | drivers/mtd/ubi/build.c | 11 | ||||
| -rw-r--r-- | drivers/mtd/ubi/eba.c | 22 | ||||
| -rw-r--r-- | drivers/mtd/ubi/kapi.c | 8 |
7 files changed, 41 insertions, 19 deletions
diff --git a/drivers/mtd/devices/Kconfig b/drivers/mtd/devices/Kconfig index bf8238f..58329d2 100644 --- a/drivers/mtd/devices/Kconfig +++ b/drivers/mtd/devices/Kconfig @@ -114,7 +114,7 @@ config MTD_SST25L config MTD_BCM47XXSFLASH tristate "Support for serial flash on BCMA bus" - depends on BCMA_SFLASH + depends on BCMA_SFLASH && (MIPS || ARM) help BCMA bus can have various flash memories attached, they are registered by bcma as platform devices. This enables driver for diff --git a/drivers/mtd/devices/powernv_flash.c b/drivers/mtd/devices/powernv_flash.c index d5b870b..f5396f2 100644 --- a/drivers/mtd/devices/powernv_flash.c +++ b/drivers/mtd/devices/powernv_flash.c @@ -95,7 +95,7 @@ static int powernv_flash_async_op(struct mtd_info *mtd, enum flash_op op, return -EIO; } - rc = be64_to_cpu(msg.params[1]); + rc = opal_get_async_rc(msg); if (rc == OPAL_SUCCESS) { rc = 0; if (retlen) diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c index 74ae243..8d58acf 100644 --- a/drivers/mtd/mtd_blkdevs.c +++ b/drivers/mtd/mtd_blkdevs.c @@ -87,14 +87,14 @@ static int do_blktrans_request(struct mtd_blktrans_ops *tr, if (req->cmd_type != REQ_TYPE_FS) return -EIO; - if (req->cmd_flags & REQ_FLUSH) + if (req_op(req) == REQ_OP_FLUSH) return tr->flush(dev); if (blk_rq_pos(req) + blk_rq_cur_sectors(req) > get_capacity(req->rq_disk)) return -EIO; - if (req->cmd_flags & REQ_DISCARD) + if (req_op(req) == REQ_OP_DISCARD) return tr->discard(dev, block, nsect); if (rq_data_dir(req) == READ) { @@ -431,12 +431,10 @@ int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new) goto error4; INIT_WORK(&new->work, mtd_blktrans_work); - gd->driverfs_dev = &new->mtd->dev; - if (new->readonly) set_disk_ro(gd, 1); - add_disk(gd); + device_add_disk(&new->mtd->dev, gd); if (new->disk_attributes) { ret = sysfs_create_group(&disk_to_dev(gd)->kobj, diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c index 3dfd512..a59361c 100644 --- a/drivers/mtd/nand/omap2.c +++ b/drivers/mtd/nand/omap2.c @@ -1655,8 +1655,11 @@ static int omap_get_dt_info(struct device *dev, struct omap_nand_info *info) /* detect availability of ELM module. Won't be present pre-OMAP4 */ info->elm_of_node = of_parse_phandle(child, "ti,elm-id", 0); - if (!info->elm_of_node) - dev_dbg(dev, "ti,elm-id not in DT\n"); + if (!info->elm_of_node) { + info->elm_of_node = of_parse_phandle(child, "elm_id", 0); + if (!info->elm_of_node) + dev_dbg(dev, "ti,elm-id not in DT\n"); + } /* select ecc-scheme for NAND */ if (of_property_read_string(child, "ti,nand-ecc-opt", &s)) { diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c index 16baeb5..ef36182 100644 --- a/drivers/mtd/ubi/build.c +++ b/drivers/mtd/ubi/build.c @@ -1147,11 +1147,17 @@ int ubi_detach_mtd_dev(int ubi_num, int anyway) */ static struct mtd_info * __init open_mtd_by_chdev(const char *mtd_dev) { - struct kstat stat; int err, minor; + struct path path; + struct kstat stat; /* Probably this is an MTD character device node path */ - err = vfs_stat(mtd_dev, &stat); + err = kern_path(mtd_dev, LOOKUP_FOLLOW, &path); + if (err) + return ERR_PTR(err); + + err = vfs_getattr(&path, &stat); + path_put(&path); if (err) return ERR_PTR(err); @@ -1160,6 +1166,7 @@ static struct mtd_info * __init open_mtd_by_chdev(const char *mtd_dev) return ERR_PTR(-EINVAL); minor = MINOR(stat.rdev); + if (minor & 1) /* * Just do not think the "/dev/mtdrX" devices support is need, diff --git a/drivers/mtd/ubi/eba.c b/drivers/mtd/ubi/eba.c index 5780dd1..ebf5172 100644 --- a/drivers/mtd/ubi/eba.c +++ b/drivers/mtd/ubi/eba.c @@ -575,6 +575,7 @@ 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; + uint32_t crc; vid_hdr = ubi_zalloc_vid_hdr(ubi, GFP_NOFS); if (!vid_hdr) @@ -599,14 +600,8 @@ retry: goto out_put; } - vid_hdr->sqnum = cpu_to_be64(ubi_next_sqnum(ubi)); - err = ubi_io_write_vid_hdr(ubi, new_pnum, vid_hdr); - if (err) { - up_read(&ubi->fm_eba_sem); - goto write_error; - } + ubi_assert(vid_hdr->vol_type == UBI_VID_DYNAMIC); - data_size = offset + len; mutex_lock(&ubi->buf_mutex); memset(ubi->peb_buf + offset, 0xFF, len); @@ -621,6 +616,19 @@ retry: memcpy(ubi->peb_buf + offset, buf, len); + data_size = offset + len; + crc = crc32(UBI_CRC32_INIT, ubi->peb_buf, data_size); + vid_hdr->sqnum = cpu_to_be64(ubi_next_sqnum(ubi)); + vid_hdr->copy_flag = 1; + vid_hdr->data_size = cpu_to_be32(data_size); + vid_hdr->data_crc = cpu_to_be32(crc); + err = ubi_io_write_vid_hdr(ubi, new_pnum, vid_hdr); + if (err) { + mutex_unlock(&ubi->buf_mutex); + up_read(&ubi->fm_eba_sem); + goto write_error; + } + err = ubi_io_write_data(ubi, ubi->peb_buf, new_pnum, 0, data_size); if (err) { mutex_unlock(&ubi->buf_mutex); diff --git a/drivers/mtd/ubi/kapi.c b/drivers/mtd/ubi/kapi.c index 348dbbc..a9e2cef 100644 --- a/drivers/mtd/ubi/kapi.c +++ b/drivers/mtd/ubi/kapi.c @@ -302,6 +302,7 @@ EXPORT_SYMBOL_GPL(ubi_open_volume_nm); struct ubi_volume_desc *ubi_open_volume_path(const char *pathname, int mode) { int error, ubi_num, vol_id; + struct path path; struct kstat stat; dbg_gen("open volume %s, mode %d", pathname, mode); @@ -309,7 +310,12 @@ struct ubi_volume_desc *ubi_open_volume_path(const char *pathname, int mode) if (!pathname || !*pathname) return ERR_PTR(-EINVAL); - error = vfs_stat(pathname, &stat); + error = kern_path(pathname, LOOKUP_FOLLOW, &path); + if (error) + return ERR_PTR(error); + + error = vfs_getattr(&path, &stat); + path_put(&path); if (error) return ERR_PTR(error); |
