xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[MTD] Introduce writesize

Browse Source 
At least two flashes exists that have the concept of a minimum write unit,
similar to NAND pages, but no other NAND characteristics.  Therefore, rename
the minimum write unit to "writesize" for all flashes, including NAND.

Signed-off-by: Joern Engel <joern@wh.fh-wedel.de>
This commit is contained in:
Joern Engel
2006-05-22 23:18:05 +02:00
parent 8ca9ed5db3
commit 28318776a8
17 changed files with 117 additions and 114 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/mtd/mtdconcat.c
View File

@@ -278,9 +278,9 @@ concat_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs,
return -EINVAL;
/* Check alignment */
if (mtd->oobblock > 1) {
if (mtd->writesize > 1) {
loff_t __to = to;
if (do_div(__to, mtd->oobblock) || (total_len % mtd->oobblock))
if (do_div(__to, mtd->writesize) || (total_len % mtd->writesize))
return -EINVAL;
}
@@ -334,7 +334,7 @@ concat_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs,
*retlen += retsize;
total_len -= wsize;
if (concat->mtd.type == MTD_NANDFLASH && eccbuf)
eccbuf += mtd->oobavail * (wsize / mtd->oobblock);
eccbuf += mtd->oobavail * (wsize / mtd->writesize);
if (total_len == 0)
break;
@@ -833,7 +833,7 @@ struct mtd_info *mtd_concat_create(struct mtd_info *subdev[], /* subdevices to c
concat->mtd.flags = subdev[0]->flags;
concat->mtd.size = subdev[0]->size;
concat->mtd.erasesize = subdev[0]->erasesize;
concat->mtd.oobblock = subdev[0]->oobblock;
concat->mtd.writesize = subdev[0]->writesize;
concat->mtd.oobsize = subdev[0]->oobsize;
concat->mtd.ecctype = subdev[0]->ecctype;
concat->mtd.eccsize = subdev[0]->eccsize;
@@ -881,7 +881,7 @@ struct mtd_info *mtd_concat_create(struct mtd_info *subdev[], /* subdevices to c
subdev[i]->flags & MTD_WRITEABLE;
}
concat->mtd.size += subdev[i]->size;
if (concat->mtd.oobblock != subdev[i]->oobblock ||
if (concat->mtd.writesize != subdev[i]->writesize ||
concat->mtd.oobsize != subdev[i]->oobsize ||
concat->mtd.ecctype != subdev[i]->ecctype ||
concat->mtd.eccsize != subdev[i]->eccsize ||