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Commit 844d3b42 authored by Randy Dunlap's avatar Randy Dunlap Committed by David Woodhouse
Browse files

MTD: fix all kernel-doc warnings 



Fix all kernel-doc warnings in MTD headers and source files:
- add some missing struct fields;
- correct some function parameter names;
- use kernel-doc format for function doc. headers;
- nand_ecc.c contains only exported interfaces, no internal ones;

Signed-off-by: default avatarRandy Dunlap <rdunlap@xenotime.net>
Signed-off-by: default avatarDavid Woodhouse <dwmw2@infradead.org>
parent 7f8a8940

Documentation/DocBook/mtdnand.tmpl

+3 −1
Original line number Diff line number Diff line
@@ -1295,7 +1295,9 @@ 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/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)

{

drivers/mtd/nand/nand_ecc.c

+1 −2
Original line number Diff line number Diff line
@@ -65,8 +65,7 @@ static const u_char nand_ecc_precalc_table[] = { 
};



/**

 * nand_calculate_ecc - [NAND Interface] Calculate 3 byte ECC code

 *			for 256 byte block

 * nand_calculate_ecc - [NAND Interface] Calculate 3-byte ECC for 256-byte block

 * @mtd:	MTD block structure

 * @dat:	raw data

 * @ecc_code:	buffer for ECC

include/linux/mtd/nand.h

+10 −3
Original line number Diff line number Diff line
@@ -202,7 +202,7 @@ typedef enum { 
struct nand_chip;



/**

 * struct nand_hw_control - Control structure for hardware controller (e.g ECC generator) shared among independend devices

 * struct nand_hw_control - Control structure for hardware controller (e.g ECC generator) shared among independent devices

 * @lock:               protection lock

 * @active:		the mtd device which holds the controller currently

 * @wq:			wait queue to sleep on if a NAND operation is in progress
@@ -223,12 +223,15 @@ struct nand_hw_control { 
 * @total:	total number of ecc bytes per page

 * @prepad:	padding information for syndrome based ecc generators

 * @postpad:	padding information for syndrome based ecc generators

 * @layout:	ECC layout control struct pointer

 * @hwctl:	function to control hardware ecc generator. Must only

 *		be provided if an hardware ECC is available

 * @calculate:	function for ecc calculation or readback from ecc hardware

 * @correct:	function for ecc correction, matching to ecc generator (sw/hw)

 * @read_page:	function to read a page according to the ecc generator requirements

 * @write_page:	function to write a page according to the ecc generator requirements

 * @read_oob:	function to read chip OOB data

 * @write_oob:	function to write chip OOB data

 */

struct nand_ecc_ctrl {

	nand_ecc_modes_t	mode;
@@ -300,11 +303,15 @@ struct nand_buffers { 
 * @cmdfunc:		[REPLACEABLE] hardwarespecific function for writing commands to the chip

 * @waitfunc:		[REPLACEABLE] hardwarespecific function for wait on ready

 * @ecc:		[BOARDSPECIFIC] ecc control ctructure

 * @buffers:		buffer structure for read/write

 * @hwcontrol:		platform-specific hardware control structure

 * @ops:		oob operation operands

 * @erase_cmd:		[INTERN] erase command write function, selectable due to AND support

 * @scan_bbt:		[REPLACEABLE] function to scan bad block table

 * @chip_delay:		[BOARDSPECIFIC] chip dependent delay for transfering data from array to read regs (tR)

 * @wq:			[INTERN] wait queue to sleep on if a NAND operation is in progress

 * @state:		[INTERN] the current state of the NAND device

 * @oob_poi:		poison value buffer

 * @page_shift:		[INTERN] number of address bits in a page (column address bits)

 * @phys_erase_shift:	[INTERN] number of address bits in a physical eraseblock

 * @bbt_erase_shift:	[INTERN] number of address bits in a bbt entry
@@ -521,7 +528,7 @@ extern int nand_do_read(struct mtd_info *mtd, loff_t from, size_t len, 
 * struct platform_nand_chip - chip level device structure

 *

 * @nr_chips:		max. number of chips to scan for

 * @chip_offs:		chip number offset

 * @chip_offset:	chip number offset

 * @nr_partitions:	number of partitions pointed to by partitions (or zero)

 * @partitions:		mtd partition list

 * @chip_delay:		R/B delay value in us
@@ -546,7 +553,7 @@ struct platform_nand_chip { 
 * @hwcontrol:		platform specific hardware control structure

 * @dev_ready:		platform specific function to read ready/busy pin

 * @select_chip:	platform specific chip select function

 * @priv_data:		private data to transport driver specific settings

 * @priv:		private data to transport driver specific settings

 *

 * All fields are optional and depend on the hardware driver requirements

 */