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Commit 0d178214 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge git://git.infradead.org/mtd-2.6 

* git://git.infradead.org/mtd-2.6:
  [JFFS2][XATTR] Fix memory leak in POSIX-ACL support
  fs/jffs2/: make 2 functions static
  [MTD] NAND: Fix broken sharpsl driver
  [JFFS2][XATTR] Fix xd->refcnt race condition
  MTD: kernel-doc fixes + additions
  MTD: fix all kernel-doc warnings
  [MTD] DOC: Fixup read functions and do a little cleanup
parents 67ab33db c7afb0f9

Documentation/DocBook/mtdnand.tmpl

+6 −5
Original line number Diff line number Diff line
@@ -109,7 +109,7 @@ 
		for most of the implementations. These functions can be replaced by the

		board driver if neccecary. Those functions are called via pointers in the

		NAND chip description structure. The board driver can set the functions which

		should be replaced by board dependend functions before calling nand_scan().

		should be replaced by board dependent functions before calling nand_scan().

		If the function pointer is NULL on entry to nand_scan() then the pointer

		is set to the default function which is suitable for the detected chip type.

		</para></listitem>
@@ -133,7 +133,7 @@ 
	  	[REPLACEABLE]</para><para>

		Replaceable members hold hardware related functions which can be 

		provided by the board driver. The board driver can set the functions which

		should be replaced by board dependend functions before calling nand_scan().

		should be replaced by board dependent functions before calling nand_scan().

		If the function pointer is NULL on entry to nand_scan() then the pointer

		is set to the default function which is suitable for the detected chip type.

		</para></listitem>
@@ -156,9 +156,8 @@ 
     	<title>Basic board driver</title>

	<para>

		For most boards it will be sufficient to provide just the

		basic functions and fill out some really board dependend

		basic functions and fill out some really board dependent

		members in the nand chip description structure.

		See drivers/mtd/nand/skeleton for reference.

	</para>

	<sect1>

		<title>Basic defines</title>
@@ -1295,7 +1294,9 @@ in this page</entry> 
     </para>

!Idrivers/mtd/nand/nand_base.c

!Idrivers/mtd/nand/nand_bbt.c

!Idrivers/mtd/nand/nand_ecc.c

<!-- No internal functions for kernel-doc:

X!Idrivers/mtd/nand/nand_ecc.c

-->

  </chapter>



  <chapter id="credits">

drivers/mtd/devices/doc2000.c

+73 −106
Original line number Diff line number Diff line
@@ -55,10 +55,6 @@ static int doc_read(struct mtd_info *mtd, loff_t from, size_t len, 
		    size_t *retlen, u_char *buf);

static int doc_write(struct mtd_info *mtd, loff_t to, size_t len,

		     size_t *retlen, const u_char *buf);

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_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,
@@ -614,18 +610,11 @@ EXPORT_SYMBOL_GPL(DoC2k_init); 


static int doc_read(struct mtd_info *mtd, loff_t from, size_t len,

		    size_t * retlen, u_char * buf)

{

	/* Just a special case of doc_read_ecc */

	return doc_read_ecc(mtd, from, len, retlen, buf, NULL, NULL);

}



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)

{

	struct DiskOnChip *this = mtd->priv;

	void __iomem *docptr = this->virtadr;

	struct Nand *mychip;

	unsigned char syndrome[6];

	unsigned char syndrome[6], eccbuf[6];

	volatile char dummy;

	int i, len256 = 0, ret=0;

	size_t left = len;
@@ -673,15 +662,9 @@ static int doc_read_ecc(struct mtd_info *mtd, loff_t from, size_t len, 
		DoC_Address(this, ADDR_COLUMN_PAGE, from, CDSN_CTRL_WP,

			    CDSN_CTRL_ECC_IO);



		if (eccbuf) {

		/* Prime the ECC engine */

		WriteDOC(DOC_ECC_RESET, docptr, ECCConf);

		WriteDOC(DOC_ECC_EN, docptr, ECCConf);

		} else {

			/* disable the ECC engine */

			WriteDOC(DOC_ECC_RESET, docptr, ECCConf);

			WriteDOC(DOC_ECC_DIS, docptr, ECCConf);

		}



		/* treat crossing 256-byte sector for 2M x 8bits devices */

		if (this->page256 && from + len > (from | 0xff) + 1) {
@@ -698,7 +681,6 @@ static int doc_read_ecc(struct mtd_info *mtd, loff_t from, size_t len, 
		/* Let the caller know we completed it */

		*retlen += len;



		if (eccbuf) {

		/* Read the ECC data through the DiskOnChip ECC logic */

		/* Note: this will work even with 2M x 8bit devices as   */

		/*       they have 8 bytes of OOB per 256 page. mf.      */
@@ -722,8 +704,9 @@ static int doc_read_ecc(struct mtd_info *mtd, loff_t from, size_t len, 
#ifdef ECC_DEBUG

			printk(KERN_ERR "DiskOnChip ECC Error: Read at %lx\n", (long)from);

#endif

				/* Read the ECC syndrom through the DiskOnChip ECC logic.

				   These syndrome will be all ZERO when there is no error */

			/* Read the ECC syndrom through the DiskOnChip ECC

			   logic.  These syndrome will be all ZERO when there

			   is no error */

			for (i = 0; i < 6; i++) {

				syndrome[i] =

					ReadDOC(docptr, ECCSyndrome0 + i);
@@ -734,9 +717,11 @@ static int doc_read_ecc(struct mtd_info *mtd, loff_t from, size_t len, 
			printk(KERN_ERR "Errors corrected: %x\n", nb_errors);

#endif

			if (nb_errors < 0) {

					/* We return error, but have actually done the read. Not that

					   this can be told to user-space, via sys_read(), but at least

					   MTD-aware stuff can know about it by checking *retlen */

				/* We return error, but have actually done the

				   read. Not that this can be told to

				   user-space, via sys_read(), but at least

				   MTD-aware stuff can know about it by

				   checking *retlen */

				ret = -EIO;

			}

		}
@@ -749,7 +734,6 @@ static int doc_read_ecc(struct mtd_info *mtd, loff_t from, size_t len, 


		/* disable the ECC engine */

		WriteDOC(DOC_ECC_DIS, docptr , ECCConf);

		}



		/* according to 11.4.1, we need to wait for the busy line

	         * drop if we read to the end of the page.  */
@@ -770,18 +754,11 @@ static int doc_read_ecc(struct mtd_info *mtd, loff_t from, size_t len, 


static int doc_write(struct mtd_info *mtd, loff_t to, size_t len,

		     size_t * retlen, const u_char * buf)

{

	char eccbuf[6];

	return doc_write_ecc(mtd, to, len, retlen, buf, eccbuf, NULL);

}



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)

{

	struct DiskOnChip *this = mtd->priv;

	int di; /* Yes, DI is a hangover from when I was disassembling the binary driver */

	void __iomem *docptr = this->virtadr;

	unsigned char eccbuf[6];

	volatile char dummy;

	int len256 = 0;

	struct Nand *mychip;
@@ -835,15 +812,9 @@ static int doc_write_ecc(struct mtd_info *mtd, loff_t to, size_t len, 
		DoC_Command(this, NAND_CMD_SEQIN, 0);

		DoC_Address(this, ADDR_COLUMN_PAGE, to, 0, CDSN_CTRL_ECC_IO);



		if (eccbuf) {

		/* Prime the ECC engine */

		WriteDOC(DOC_ECC_RESET, docptr, ECCConf);

		WriteDOC(DOC_ECC_EN | DOC_ECC_RW, docptr, ECCConf);

		} else {

			/* disable the ECC engine */

			WriteDOC(DOC_ECC_RESET, docptr, ECCConf);

			WriteDOC(DOC_ECC_DIS, docptr, ECCConf);

		}



		/* treat crossing 256-byte sector for 2M x 8bits devices */

		if (this->page256 && to + len > (to | 0xff) + 1) {
@@ -873,9 +844,7 @@ static int doc_write_ecc(struct mtd_info *mtd, loff_t to, size_t len, 


		DoC_WriteBuf(this, &buf[len256], len - len256);



		if (eccbuf) {

			WriteDOC(CDSN_CTRL_ECC_IO | CDSN_CTRL_CE, docptr,

				 CDSNControl);

		WriteDOC(CDSN_CTRL_ECC_IO | CDSN_CTRL_CE, docptr, CDSNControl);



		if (DoC_is_Millennium(this)) {

			WriteDOC(0, docptr, NOP);
@@ -904,8 +873,6 @@ static int doc_write_ecc(struct mtd_info *mtd, loff_t to, size_t len, 
			 (long) to, eccbuf[0], eccbuf[1], eccbuf[2], eccbuf[3],

			 eccbuf[4], eccbuf[5]);

#endif

		}



		DoC_Command(this, NAND_CMD_PAGEPROG, 0);



		DoC_Command(this, NAND_CMD_STATUS, CDSN_CTRL_WP);

drivers/mtd/devices/doc2001.c

+71 −108
Original line number Diff line number Diff line
@@ -37,12 +37,6 @@ static int doc_read(struct mtd_info *mtd, loff_t from, size_t len, 
		    size_t *retlen, u_char *buf);

static int doc_write(struct mtd_info *mtd, loff_t to, size_t len,

		     size_t *retlen, const u_char *buf);

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_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,
@@ -396,18 +390,10 @@ 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)

{

	/* Just a special case of doc_read_ecc */

	return doc_read_ecc(mtd, from, len, retlen, buf, NULL, NULL);

}



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)

{

	int i, ret;

	volatile char dummy;

	unsigned char syndrome[6];

	unsigned char syndrome[6], eccbuf[6];

	struct DiskOnChip *this = mtd->priv;

	void __iomem *docptr = this->virtadr;

	struct Nand *mychip = &this->chips[from >> (this->chipshift)];
@@ -437,15 +423,9 @@ static int doc_read_ecc (struct mtd_info *mtd, loff_t from, size_t len, 
	DoC_Address(docptr, 3, from, CDSN_CTRL_WP, 0x00);

	DoC_WaitReady(docptr);



	if (eccbuf) {

	/* init the ECC engine, see Reed-Solomon EDC/ECC 11.1 .*/

	WriteDOC (DOC_ECC_RESET, docptr, ECCConf);

	WriteDOC (DOC_ECC_EN, docptr, ECCConf);

	} else {

		/* disable the ECC engine */

		WriteDOC (DOC_ECC_RESET, docptr, ECCConf);

		WriteDOC (DOC_ECC_DIS, docptr, ECCConf);

	}



	/* Read the data via the internal pipeline through CDSN IO register,

	   see Pipelined Read Operations 11.3 */
@@ -465,7 +445,6 @@ static int doc_read_ecc (struct mtd_info *mtd, loff_t from, size_t len, 
	*retlen = len;

        ret = 0;



	if (eccbuf) {

	/* Read the ECC data from Spare Data Area,

	   see Reed-Solomon EDC/ECC 11.1 */

	dummy = ReadDOC(docptr, ReadPipeInit);
@@ -516,23 +495,15 @@ static int doc_read_ecc (struct mtd_info *mtd, loff_t from, size_t len, 


	/* disable the ECC engine */

	WriteDOC(DOC_ECC_DIS, docptr , ECCConf);

	}



	return ret;

}



static int doc_write (struct mtd_info *mtd, loff_t to, size_t len,

		      size_t *retlen, const u_char *buf)

{

	char eccbuf[6];

	return doc_write_ecc(mtd, to, len, retlen, buf, eccbuf, NULL);

}



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)

{

	int i,ret = 0;

	char eccbuf[6];

	volatile char dummy;

	struct DiskOnChip *this = mtd->priv;

	void __iomem *docptr = this->virtadr;
@@ -573,15 +544,9 @@ static int doc_write_ecc (struct mtd_info *mtd, loff_t to, size_t len, 
	DoC_Address(docptr, 3, to, 0x00, 0x00);

	DoC_WaitReady(docptr);



	if (eccbuf) {

	/* init the ECC engine, see Reed-Solomon EDC/ECC 11.1 .*/

	WriteDOC (DOC_ECC_RESET, docptr, ECCConf);

	WriteDOC (DOC_ECC_EN | DOC_ECC_RW, docptr, ECCConf);

	} else {

		/* disable the ECC engine */

		WriteDOC (DOC_ECC_RESET, docptr, ECCConf);

		WriteDOC (DOC_ECC_DIS, docptr, ECCConf);

	}



	/* Write the data via the internal pipeline through CDSN IO register,

	   see Pipelined Write Operations 11.2 */
@@ -596,7 +561,6 @@ static int doc_write_ecc (struct mtd_info *mtd, loff_t to, size_t len, 
#endif

	WriteDOC(0x00, docptr, WritePipeTerm);



	if (eccbuf) {

	/* Write ECC data to flash, the ECC info is generated by the DiskOnChip ECC logic

	   see Reed-Solomon EDC/ECC 11.1 */

	WriteDOC(0, docptr, NOP);
@@ -635,7 +599,6 @@ static int doc_write_ecc (struct mtd_info *mtd, loff_t to, size_t len, 
	       (long) to, eccbuf[0], eccbuf[1], eccbuf[2], eccbuf[3],

	       eccbuf[4], eccbuf[5]);

#endif

	}



	/* Commit the Page Program command and wait for ready

	   see Software Requirement 11.4 item 1.*/

drivers/mtd/devices/doc2001plus.c

+63 −101
Original line number Diff line number Diff line
@@ -41,12 +41,6 @@ static int doc_read(struct mtd_info *mtd, loff_t from, size_t len, 
		size_t *retlen, u_char *buf);

static int doc_write(struct mtd_info *mtd, loff_t to, size_t len,

		size_t *retlen, const u_char *buf);

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_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,
@@ -594,19 +588,11 @@ static int doc_dumpblk(struct mtd_info *mtd, loff_t from) 


static int doc_read(struct mtd_info *mtd, loff_t from, size_t len,

		    size_t *retlen, u_char *buf)

{

	/* Just a special case of doc_read_ecc */

	return doc_read_ecc(mtd, from, len, retlen, buf, NULL, NULL);

}



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)

{

	int ret, i;

	volatile char dummy;

	loff_t fofs;

	unsigned char syndrome[6];

	unsigned char syndrome[6], eccbuf[6];

	struct DiskOnChip *this = mtd->priv;

	void __iomem * docptr = this->virtadr;

	struct Nand *mychip = &this->chips[from >> (this->chipshift)];
@@ -644,14 +630,9 @@ static int doc_read_ecc(struct mtd_info *mtd, loff_t from, size_t len, 
	WriteDOC(0, docptr, Mplus_FlashControl);

	DoC_WaitReady(docptr);



	if (eccbuf) {

	/* init the ECC engine, see Reed-Solomon EDC/ECC 11.1 .*/

	WriteDOC(DOC_ECC_RESET, docptr, Mplus_ECCConf);

	WriteDOC(DOC_ECC_EN, docptr, Mplus_ECCConf);

	} else {

		/* disable the ECC engine */

		WriteDOC(DOC_ECC_RESET, docptr, Mplus_ECCConf);

	}



	/* Let the caller know we completed it */

	*retlen = len;
@@ -660,7 +641,6 @@ static int doc_read_ecc(struct mtd_info *mtd, loff_t from, size_t len, 
	ReadDOC(docptr, Mplus_ReadPipeInit);

	ReadDOC(docptr, Mplus_ReadPipeInit);



	if (eccbuf) {

	/* Read the data via the internal pipeline through CDSN IO

	   register, see Pipelined Read Operations 11.3 */

	MemReadDOC(docptr, buf, len);
@@ -691,9 +671,10 @@ static int doc_read_ecc(struct mtd_info *mtd, loff_t from, size_t len, 
		printk("ECC Errors corrected: %x\n", nb_errors);

#endif

		if (nb_errors < 0) {

				/* We return error, but have actually done the read. Not that

				   this can be told to user-space, via sys_read(), but at least

				   MTD-aware stuff can know about it by checking *retlen */

			/* We return error, but have actually done the

			   read. Not that this can be told to user-space, via

			   sys_read(), but at least MTD-aware stuff can know

			   about it by checking *retlen */

#ifdef ECC_DEBUG

			printk("%s(%d): Millennium Plus ECC error (from=0x%x:\n",

				__FILE__, __LINE__, (int)from);
@@ -715,16 +696,8 @@ static int doc_read_ecc(struct mtd_info *mtd, loff_t from, size_t len, 
	       (long)from, eccbuf[0], eccbuf[1], eccbuf[2], eccbuf[3],

	       eccbuf[4], eccbuf[5]);

#endif



	/* disable the ECC engine */

	WriteDOC(DOC_ECC_DIS, docptr , Mplus_ECCConf);

	} else {

		/* Read the data via the internal pipeline through CDSN IO

		   register, see Pipelined Read Operations 11.3 */

		MemReadDOC(docptr, buf, len-2);

		buf[len-2] = ReadDOC(docptr, Mplus_LastDataRead);

		buf[len-1] = ReadDOC(docptr, Mplus_LastDataRead);

	}



	/* Disable flash internally */

	WriteDOC(0, docptr, Mplus_FlashSelect);
@@ -734,18 +707,11 @@ static int doc_read_ecc(struct mtd_info *mtd, loff_t from, size_t len, 


static int doc_write(struct mtd_info *mtd, loff_t to, size_t len,

		     size_t *retlen, const u_char *buf)

{

	char eccbuf[6];

	return doc_write_ecc(mtd, to, len, retlen, buf, eccbuf, NULL);

}



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)

{

	int i, before, ret = 0;

	loff_t fto;

	volatile char dummy;

	char eccbuf[6];

	struct DiskOnChip *this = mtd->priv;

	void __iomem * docptr = this->virtadr;

	struct Nand *mychip = &this->chips[to >> (this->chipshift)];
@@ -795,7 +761,6 @@ static int doc_write_ecc(struct mtd_info *mtd, loff_t to, size_t len, 
	/* Disable the ECC engine */

	WriteDOC(DOC_ECC_RESET, docptr, Mplus_ECCConf);



	if (eccbuf) {

	if (before) {

		/* Write the block status BLOCK_USED (0x5555) */

		WriteDOC(0x55, docptr, Mil_CDSN_IO);
@@ -804,11 +769,9 @@ static int doc_write_ecc(struct mtd_info *mtd, loff_t to, size_t len, 


	/* init the ECC engine, see Reed-Solomon EDC/ECC 11.1 .*/

	WriteDOC(DOC_ECC_EN | DOC_ECC_RW, docptr, Mplus_ECCConf);

	}



	MemWriteDOC(docptr, (unsigned char *) buf, len);



	if (eccbuf) {

	/* Write ECC data to flash, the ECC info is generated by

	   the DiskOnChip ECC logic see Reed-Solomon EDC/ECC 11.1 */

	DoC_Delay(docptr, 3);
@@ -834,7 +797,6 @@ static int doc_write_ecc(struct mtd_info *mtd, loff_t to, size_t len, 
	       (long) to, eccbuf[0], eccbuf[1], eccbuf[2], eccbuf[3],

	       eccbuf[4], eccbuf[5]);

#endif

	}



	WriteDOC(0x00, docptr, Mplus_WritePipeTerm);

	WriteDOC(0x00, docptr, Mplus_WritePipeTerm);

drivers/mtd/nand/nand_base.c

+8 −8
Original line number Diff line number Diff line
@@ -155,7 +155,7 @@ static u16 nand_read_word(struct mtd_info *mtd) 
/**

 * nand_select_chip - [DEFAULT] control CE line

 * @mtd:	MTD device structure

 * @chip:	chipnumber to select, -1 for deselect

 * @chipnr:	chipnumber to select, -1 for deselect

 *

 * Default select function for 1 chip devices.

 */
@@ -542,7 +542,6 @@ static void nand_command(struct mtd_info *mtd, unsigned int command, 
 * Send command to NAND device. This is the version for the new large page

 * devices We dont have the separate regions as we have in the small page

 * devices.  We must emulate NAND_CMD_READOOB to keep the code compatible.

 *

 */

static void nand_command_lp(struct mtd_info *mtd, unsigned int command,

			    int column, int page_addr)
@@ -656,7 +655,7 @@ static void nand_command_lp(struct mtd_info *mtd, unsigned int command, 


/**

 * nand_get_device - [GENERIC] Get chip for selected access

 * @this:	the nand chip descriptor

 * @chip:	the nand chip descriptor

 * @mtd:	MTD device structure

 * @new_state:	the state which is requested

 *
@@ -696,12 +695,11 @@ nand_get_device(struct nand_chip *chip, struct mtd_info *mtd, int new_state) 
/**

 * nand_wait - [DEFAULT]  wait until the command is done

 * @mtd:	MTD device structure

 * @this:	NAND chip structure

 * @chip:	NAND chip structure

 *

 * Wait for command done. This applies to erase and program only

 * Erase can take up to 400ms and program up to 20ms according to

 * general NAND and SmartMedia specs

 *

 */

static int nand_wait(struct mtd_info *mtd, struct nand_chip *chip)

{
@@ -896,6 +894,7 @@ static int nand_read_page_syndrome(struct mtd_info *mtd, struct nand_chip *chip, 
/**

 * nand_transfer_oob - [Internal] Transfer oob to client buffer

 * @chip:	nand chip structure

 * @oob:	oob destination address

 * @ops:	oob ops structure

 */

static uint8_t *nand_transfer_oob(struct nand_chip *chip, uint8_t *oob,
@@ -946,6 +945,7 @@ static uint8_t *nand_transfer_oob(struct nand_chip *chip, uint8_t *oob, 
 *

 * @mtd:	MTD device structure

 * @from:	offset to read from

 * @ops:	oob ops structure

 *

 * Internal function. Called with chip held.

 */
@@ -1760,7 +1760,7 @@ static int nand_do_write_oob(struct mtd_info *mtd, loff_t to, 
/**

 * nand_write_oob - [MTD Interface] NAND write data and/or out-of-band

 * @mtd:	MTD device structure

 * @from:	offset to read from

 * @to:		offset to write to

 * @ops:	oob operation description structure

 */

static int nand_write_oob(struct mtd_info *mtd, loff_t to,
@@ -2055,7 +2055,7 @@ static void nand_sync(struct mtd_info *mtd) 
/**

 * nand_block_isbad - [MTD Interface] Check if block at offset is bad

 * @mtd:	MTD device structure

 * @ofs:	offset relative to mtd start

 * @offs:	offset relative to mtd start

 */

static int nand_block_isbad(struct mtd_info *mtd, loff_t offs)

{