[MTD] Remove nand writev support

NAND writev(_ecc) support is not longer necessary. Remove it.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

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)
 {