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authorThomas Gleixner <tglx@cruncher.tec.linutronix.de>2006-05-23 16:06:03 +0200
committerThomas Gleixner <tglx@cruncher.tec.linutronix.de>2006-05-23 16:06:03 +0200
commit9d8522df37f91621a70c5c0dbbf5bf2220b16798 (patch)
tree30f51aaccb18b1d4a97b7a5c8a64c63633a2fb7b /drivers/mtd/devices
parent0cddd6c258b2ed3798d12619c28ed0d2b5a669bc (diff)
downloadblackbird-op-linux-9d8522df37f91621a70c5c0dbbf5bf2220b16798.tar.gz
blackbird-op-linux-9d8522df37f91621a70c5c0dbbf5bf2220b16798.zip
[MTD] Remove nand writev support
NAND writev(_ecc) support is not longer necessary. Remove it. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/mtd/devices')
-rw-r--r--drivers/mtd/devices/doc2000.c64
1 files changed, 0 insertions, 64 deletions
diff --git a/drivers/mtd/devices/doc2000.c b/drivers/mtd/devices/doc2000.c
index 423a34f4638c..6f32942fdf77 100644
--- a/drivers/mtd/devices/doc2000.c
+++ b/drivers/mtd/devices/doc2000.c
@@ -59,9 +59,6 @@ static int doc_read_ecc(struct mtd_info *mtd, loff_t from, size_t len,
size_t *retlen, u_char *buf, u_char *eccbuf, struct nand_oobinfo *oobsel);
static int doc_write_ecc(struct mtd_info *mtd, loff_t to, size_t len,
size_t *retlen, const u_char *buf, u_char *eccbuf, struct nand_oobinfo *oobsel);
-static int doc_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs,
- unsigned long count, loff_t to, size_t *retlen,
- u_char *eccbuf, struct nand_oobinfo *oobsel);
static int doc_read_oob(struct mtd_info *mtd, loff_t ofs, size_t len,
size_t *retlen, u_char *buf);
static int doc_write_oob(struct mtd_info *mtd, loff_t ofs, size_t len,
@@ -589,7 +586,6 @@ void DoC2k_init(struct mtd_info *mtd)
mtd->write = doc_write;
mtd->read_ecc = doc_read_ecc;
mtd->write_ecc = doc_write_ecc;
- mtd->writev_ecc = doc_writev_ecc;
mtd->read_oob = doc_read_oob;
mtd->write_oob = doc_write_oob;
mtd->sync = NULL;
@@ -965,66 +961,6 @@ static int doc_write_ecc(struct mtd_info *mtd, loff_t to, size_t len,
return 0;
}
-static int doc_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs,
- unsigned long count, loff_t to, size_t *retlen,
- u_char *eccbuf, struct nand_oobinfo *oobsel)
-{
- static char static_buf[512];
- static DEFINE_MUTEX(writev_buf_mutex);
-
- size_t totretlen = 0;
- size_t thisvecofs = 0;
- int ret= 0;
-
- mutex_lock(&writev_buf_mutex);
-
- while(count) {
- size_t thislen, thisretlen;
- unsigned char *buf;
-
- buf = vecs->iov_base + thisvecofs;
- thislen = vecs->iov_len - thisvecofs;
-
-
- if (thislen >= 512) {
- thislen = thislen & ~(512-1);
- thisvecofs += thislen;
- } else {
- /* Not enough to fill a page. Copy into buf */
- memcpy(static_buf, buf, thislen);
- buf = &static_buf[thislen];
-
- while(count && thislen < 512) {
- vecs++;
- count--;
- thisvecofs = min((512-thislen), vecs->iov_len);
- memcpy(buf, vecs->iov_base, thisvecofs);
- thislen += thisvecofs;
- buf += thisvecofs;
- }
- buf = static_buf;
- }
- if (count && thisvecofs == vecs->iov_len) {
- thisvecofs = 0;
- vecs++;
- count--;
- }
- ret = doc_write_ecc(mtd, to, thislen, &thisretlen, buf, eccbuf, oobsel);
-
- totretlen += thisretlen;
-
- if (ret || thisretlen != thislen)
- break;
-
- to += thislen;
- }
-
- mutex_unlock(&writev_buf_mutex);
- *retlen = totretlen;
- return ret;
-}
-
-
static int doc_read_oob(struct mtd_info *mtd, loff_t ofs, size_t len,
size_t * retlen, u_char * buf)
{
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