Merge git://git.infradead.org/~dwmw2/rbtree-2.6

[powerpc.git] / drivers / mtd / devices / doc2001.c

diff --git a/drivers/mtd/devices/doc2001.c b/drivers/mtd/devices/doc2001.c
index fcb28a6..0cf022a 100644 (file)
--- a/drivers/mtd/devices/doc2001.c
+++ b/drivers/mtd/devices/doc2001.c
@@ -43,10 +43,10 @@ static int doc_read_ecc(struct mtd_info *mtd, loff_t from, size_t len,
 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_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,
-                        size_t *retlen, const u_char *buf);
+static int doc_read_oob(struct mtd_info *mtd, loff_t ofs,
+                       struct mtd_oob_ops *ops);
+static int doc_write_oob(struct mtd_info *mtd, loff_t ofs,
+                        struct mtd_oob_ops *ops);
 static int doc_erase (struct mtd_info *mtd, struct erase_info *instr);
 
 static struct mtd_info *docmillist = NULL;
@@ -103,7 +103,7 @@ static inline int DoC_WaitReady(void __iomem * docptr)
    with the internal pipeline. Each of 4 delay cycles (read from the NOP register) is
    required after writing to CDSN Control register, see Software Requirement 11.4 item 3. */
 
-static inline void DoC_Command(void __iomem * docptr, unsigned char command,
+static void DoC_Command(void __iomem * docptr, unsigned char command,
                               unsigned char xtraflags)
 {
        /* Assert the CLE (Command Latch Enable) line to the flash chip */
@@ -324,16 +324,9 @@ static int DoCMil_is_alias(struct DiskOnChip *doc1, struct DiskOnChip *doc2)
        return retval;
 }
 
-static const char im_name[] = "DoCMil_init";
-
-/* This routine is made available to other mtd code via
- * inter_module_register.  It must only be accessed through
- * inter_module_get which will bump the use count of this module.  The
- * addresses passed back in mtd are valid as long as the use count of
- * this module is non-zero, i.e. between inter_module_get and
- * inter_module_put.  Keith Owens <kaos@ocs.com.au> 29 Oct 2000.
- */
-static void DoCMil_init(struct mtd_info *mtd)
+/* This routine is found from the docprobe code by symbol_get(),
+ * which will bump the use count of this module. */
+void DoCMil_init(struct mtd_info *mtd)
 {
        struct DiskOnChip *this = mtd->priv;
        struct DiskOnChip *old = NULL;
@@ -368,7 +361,7 @@ static void DoCMil_init(struct mtd_info *mtd)
        /* FIXME: erase size is not always 8KiB */
        mtd->erasesize = 0x2000;
 
-       mtd->oobblock = 512;
+       mtd->writesize = 512;
        mtd->oobsize = 16;
        mtd->owner = THIS_MODULE;
        mtd->erase = doc_erase;
@@ -376,8 +369,6 @@ static void DoCMil_init(struct mtd_info *mtd)
        mtd->unpoint = NULL;
        mtd->read = doc_read;
        mtd->write = doc_write;
-       mtd->read_ecc = doc_read_ecc;
-       mtd->write_ecc = doc_write_ecc;
        mtd->read_oob = doc_read_oob;
        mtd->write_oob = doc_write_oob;
        mtd->sync = NULL;
@@ -401,6 +392,7 @@ static void DoCMil_init(struct mtd_info *mtd)
                return;
        }
 }
+EXPORT_SYMBOL_GPL(DoCMil_init);
 
 static int doc_read (struct mtd_info *mtd, loff_t from, size_t len,
                     size_t *retlen, u_char *buf)
@@ -670,8 +662,8 @@ static int doc_write_ecc (struct mtd_info *mtd, loff_t to, size_t len,
        return ret;
 }
 
-static int doc_read_oob(struct mtd_info *mtd, loff_t ofs, size_t len,
-                       size_t *retlen, u_char *buf)
+static int doc_read_oob(struct mtd_info *mtd, loff_t ofs,
+                       struct mtd_oob_ops *ops)
 {
 #ifndef USE_MEMCPY
        int i;
@@ -680,6 +672,12 @@ static int doc_read_oob(struct mtd_info *mtd, loff_t ofs, size_t len,
        struct DiskOnChip *this = mtd->priv;
        void __iomem *docptr = this->virtadr;
        struct Nand *mychip = &this->chips[ofs >> this->chipshift];
+       uint8_t *buf = ops->oobbuf;
+       size_t len = ops->len;
+
+       BUG_ON(ops->mode != MTD_OOB_PLACE);
+
+       ofs += ops->ooboffs;
 
        /* Find the chip which is to be used and select it */
        if (this->curfloor != mychip->floor) {
@@ -716,13 +714,13 @@ static int doc_read_oob(struct mtd_info *mtd, loff_t ofs, size_t len,
 #endif
        buf[len - 1] = ReadDOC(docptr, LastDataRead);
 
-       *retlen = len;
+       ops->retlen = len;
 
        return 0;
 }
 
-static int doc_write_oob(struct mtd_info *mtd, loff_t ofs, size_t len,
-                        size_t *retlen, const u_char *buf)
+static int doc_write_oob(struct mtd_info *mtd, loff_t ofs,
+                        struct mtd_oob_ops *ops)
 {
 #ifndef USE_MEMCPY
        int i;
@@ -732,6 +730,12 @@ static int doc_write_oob(struct mtd_info *mtd, loff_t ofs, size_t len,
        struct DiskOnChip *this = mtd->priv;
        void __iomem *docptr = this->virtadr;
        struct Nand *mychip = &this->chips[ofs >> this->chipshift];
+       uint8_t *buf = ops->oobbuf;
+       size_t len = ops->len;
+
+       BUG_ON(ops->mode != MTD_OOB_PLACE);
+
+       ofs += ops->ooboffs;
 
        /* Find the chip which is to be used and select it */
        if (this->curfloor != mychip->floor) {
@@ -783,12 +787,12 @@ static int doc_write_oob(struct mtd_info *mtd, loff_t ofs, size_t len,
        if (ReadDOC(docptr, Mil_CDSN_IO) & 1) {
                printk("Error programming oob data\n");
                /* FIXME: implement Bad Block Replacement (in nftl.c ??) */
-               *retlen = 0;
+               ops->retlen = 0;
                ret = -EIO;
        }
        dummy = ReadDOC(docptr, LastDataRead);
 
-       *retlen = len;
+       ops->retlen = len;
 
        return ret;
 }
@@ -856,12 +860,6 @@ int doc_erase (struct mtd_info *mtd, struct erase_info *instr)
  *
  ****************************************************************************/
 
-static int __init init_doc2001(void)
-{
-       inter_module_register(im_name, THIS_MODULE, &DoCMil_init);
-       return 0;
-}
-
 static void __exit cleanup_doc2001(void)
 {
        struct mtd_info *mtd;
@@ -877,11 +875,9 @@ static void __exit cleanup_doc2001(void)
                kfree(this->chips);
                kfree(mtd);
        }
-       inter_module_unregister(im_name);
 }
 
 module_exit(cleanup_doc2001);
-module_init(init_doc2001);
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("David Woodhouse <dwmw2@infradead.org> et al.");