diff options
| author | Thomas Gleixner <tglx@cruncher.tec.linutronix.de> | 2006-05-23 16:06:03 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@cruncher.tec.linutronix.de> | 2006-05-23 16:06:03 +0200 |
| commit | 9d8522df37f91621a70c5c0dbbf5bf2220b16798 (patch) | |
| tree | 30f51aaccb18b1d4a97b7a5c8a64c63633a2fb7b /drivers/mtd/devices/doc2000.c | |
| parent | 0cddd6c258b2ed3798d12619c28ed0d2b5a669bc (diff) | |
[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/doc2000.c')
| -rw-r--r-- | drivers/mtd/devices/doc2000.c | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/drivers/mtd/devices/doc2000.c b/drivers/mtd/devices/doc2000.c index 423a34f4638..6f32942fdf7 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) { |