Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit daf05ec0 authored by srimugunthan's avatar srimugunthan Committed by David Woodhouse
Browse files

mtd: nandsim: spell fixes in comments

parent ac622f58
Loading
Loading
Loading
Loading
+18 −18
Original line number Original line Diff line number Diff line
@@ -210,12 +210,12 @@ MODULE_PARM_DESC(bbt, "0 OOB, 1 BBT with marker in OOB, 2 BBT with marker in d
#define STATE_CMD_READ0        0x00000001 /* read data from the beginning of page */
#define STATE_CMD_READ0        0x00000001 /* read data from the beginning of page */
#define STATE_CMD_READ1        0x00000002 /* read data from the second half of page */
#define STATE_CMD_READ1        0x00000002 /* read data from the second half of page */
#define STATE_CMD_READSTART    0x00000003 /* read data second command (large page devices) */
#define STATE_CMD_READSTART    0x00000003 /* read data second command (large page devices) */
#define STATE_CMD_PAGEPROG     0x00000004 /* start page programm */
#define STATE_CMD_PAGEPROG     0x00000004 /* start page program */
#define STATE_CMD_READOOB      0x00000005 /* read OOB area */
#define STATE_CMD_READOOB      0x00000005 /* read OOB area */
#define STATE_CMD_ERASE1       0x00000006 /* sector erase first command */
#define STATE_CMD_ERASE1       0x00000006 /* sector erase first command */
#define STATE_CMD_STATUS       0x00000007 /* read status */
#define STATE_CMD_STATUS       0x00000007 /* read status */
#define STATE_CMD_STATUS_M     0x00000008 /* read multi-plane status (isn't implemented) */
#define STATE_CMD_STATUS_M     0x00000008 /* read multi-plane status (isn't implemented) */
#define STATE_CMD_SEQIN        0x00000009 /* sequential data imput */
#define STATE_CMD_SEQIN        0x00000009 /* sequential data input */
#define STATE_CMD_READID       0x0000000A /* read ID */
#define STATE_CMD_READID       0x0000000A /* read ID */
#define STATE_CMD_ERASE2       0x0000000B /* sector erase second command */
#define STATE_CMD_ERASE2       0x0000000B /* sector erase second command */
#define STATE_CMD_RESET        0x0000000C /* reset */
#define STATE_CMD_RESET        0x0000000C /* reset */
@@ -230,7 +230,7 @@ MODULE_PARM_DESC(bbt, "0 OOB, 1 BBT with marker in OOB, 2 BBT with marker in d
#define STATE_ADDR_ZERO        0x00000040 /* one byte zero address was accepted */
#define STATE_ADDR_ZERO        0x00000040 /* one byte zero address was accepted */
#define STATE_ADDR_MASK        0x00000070 /* address states mask */
#define STATE_ADDR_MASK        0x00000070 /* address states mask */


/* Durind data input/output the simulator is in these states */
/* During data input/output the simulator is in these states */
#define STATE_DATAIN           0x00000100 /* waiting for data input */
#define STATE_DATAIN           0x00000100 /* waiting for data input */
#define STATE_DATAIN_MASK      0x00000100 /* data input states mask */
#define STATE_DATAIN_MASK      0x00000100 /* data input states mask */


@@ -248,7 +248,7 @@ MODULE_PARM_DESC(bbt, "0 OOB, 1 BBT with marker in OOB, 2 BBT with marker in d


/* Simulator's actions bit masks */
/* Simulator's actions bit masks */
#define ACTION_CPY       0x00100000 /* copy page/OOB to the internal buffer */
#define ACTION_CPY       0x00100000 /* copy page/OOB to the internal buffer */
#define ACTION_PRGPAGE   0x00200000 /* programm the internal buffer to flash */
#define ACTION_PRGPAGE   0x00200000 /* program the internal buffer to flash */
#define ACTION_SECERASE  0x00300000 /* erase sector */
#define ACTION_SECERASE  0x00300000 /* erase sector */
#define ACTION_ZEROOFF   0x00400000 /* don't add any offset to address */
#define ACTION_ZEROOFF   0x00400000 /* don't add any offset to address */
#define ACTION_HALFOFF   0x00500000 /* add to address half of page */
#define ACTION_HALFOFF   0x00500000 /* add to address half of page */
@@ -263,18 +263,18 @@ MODULE_PARM_DESC(bbt, "0 OOB, 1 BBT with marker in OOB, 2 BBT with marker in d
#define OPT_PAGE512      0x00000002 /* 512-byte  page chips */
#define OPT_PAGE512      0x00000002 /* 512-byte  page chips */
#define OPT_PAGE2048     0x00000008 /* 2048-byte page chips */
#define OPT_PAGE2048     0x00000008 /* 2048-byte page chips */
#define OPT_SMARTMEDIA   0x00000010 /* SmartMedia technology chips */
#define OPT_SMARTMEDIA   0x00000010 /* SmartMedia technology chips */
#define OPT_AUTOINCR     0x00000020 /* page number auto inctimentation is possible */
#define OPT_AUTOINCR     0x00000020 /* page number auto incrementation is possible */
#define OPT_PAGE512_8BIT 0x00000040 /* 512-byte page chips with 8-bit bus width */
#define OPT_PAGE512_8BIT 0x00000040 /* 512-byte page chips with 8-bit bus width */
#define OPT_PAGE4096     0x00000080 /* 4096-byte page chips */
#define OPT_PAGE4096     0x00000080 /* 4096-byte page chips */
#define OPT_LARGEPAGE    (OPT_PAGE2048 | OPT_PAGE4096) /* 2048 & 4096-byte page chips */
#define OPT_LARGEPAGE    (OPT_PAGE2048 | OPT_PAGE4096) /* 2048 & 4096-byte page chips */
#define OPT_SMALLPAGE    (OPT_PAGE256  | OPT_PAGE512)  /* 256 and 512-byte page chips */
#define OPT_SMALLPAGE    (OPT_PAGE256  | OPT_PAGE512)  /* 256 and 512-byte page chips */


/* Remove action bits ftom state */
/* Remove action bits from state */
#define NS_STATE(x) ((x) & ~ACTION_MASK)
#define NS_STATE(x) ((x) & ~ACTION_MASK)


/*
/*
 * Maximum previous states which need to be saved. Currently saving is
 * Maximum previous states which need to be saved. Currently saving is
 * only needed for page programm operation with preceeded read command
 * only needed for page program operation with preceded read command
 * (which is only valid for 512-byte pages).
 * (which is only valid for 512-byte pages).
 */
 */
#define NS_MAX_PREVSTATES 1
#define NS_MAX_PREVSTATES 1
@@ -380,16 +380,16 @@ static struct nandsim_operations {
	/* Read OOB */
	/* Read OOB */
	{OPT_SMALLPAGE, {STATE_CMD_READOOB | ACTION_OOBOFF, STATE_ADDR_PAGE | ACTION_CPY,
	{OPT_SMALLPAGE, {STATE_CMD_READOOB | ACTION_OOBOFF, STATE_ADDR_PAGE | ACTION_CPY,
			STATE_DATAOUT, STATE_READY}},
			STATE_DATAOUT, STATE_READY}},
	/* Programm page starting from the beginning */
	/* Program page starting from the beginning */
	{OPT_ANY, {STATE_CMD_SEQIN, STATE_ADDR_PAGE, STATE_DATAIN,
	{OPT_ANY, {STATE_CMD_SEQIN, STATE_ADDR_PAGE, STATE_DATAIN,
			STATE_CMD_PAGEPROG | ACTION_PRGPAGE, STATE_READY}},
			STATE_CMD_PAGEPROG | ACTION_PRGPAGE, STATE_READY}},
	/* Programm page starting from the beginning */
	/* Program page starting from the beginning */
	{OPT_SMALLPAGE, {STATE_CMD_READ0, STATE_CMD_SEQIN | ACTION_ZEROOFF, STATE_ADDR_PAGE,
	{OPT_SMALLPAGE, {STATE_CMD_READ0, STATE_CMD_SEQIN | ACTION_ZEROOFF, STATE_ADDR_PAGE,
			      STATE_DATAIN, STATE_CMD_PAGEPROG | ACTION_PRGPAGE, STATE_READY}},
			      STATE_DATAIN, STATE_CMD_PAGEPROG | ACTION_PRGPAGE, STATE_READY}},
	/* Programm page starting from the second half */
	/* Program page starting from the second half */
	{OPT_PAGE512, {STATE_CMD_READ1, STATE_CMD_SEQIN | ACTION_HALFOFF, STATE_ADDR_PAGE,
	{OPT_PAGE512, {STATE_CMD_READ1, STATE_CMD_SEQIN | ACTION_HALFOFF, STATE_ADDR_PAGE,
			      STATE_DATAIN, STATE_CMD_PAGEPROG | ACTION_PRGPAGE, STATE_READY}},
			      STATE_DATAIN, STATE_CMD_PAGEPROG | ACTION_PRGPAGE, STATE_READY}},
	/* Programm OOB */
	/* Program OOB */
	{OPT_SMALLPAGE, {STATE_CMD_READOOB, STATE_CMD_SEQIN | ACTION_OOBOFF, STATE_ADDR_PAGE,
	{OPT_SMALLPAGE, {STATE_CMD_READOOB, STATE_CMD_SEQIN | ACTION_OOBOFF, STATE_ADDR_PAGE,
			      STATE_DATAIN, STATE_CMD_PAGEPROG | ACTION_PRGPAGE, STATE_READY}},
			      STATE_DATAIN, STATE_CMD_PAGEPROG | ACTION_PRGPAGE, STATE_READY}},
	/* Erase sector */
	/* Erase sector */
@@ -1171,9 +1171,9 @@ static inline void switch_to_ready_state(struct nandsim *ns, u_char status)
 * of supported operations.
 * of supported operations.
 *
 *
 * Operation can be unknown because of the following.
 * Operation can be unknown because of the following.
 *   1. New command was accepted and this is the firs call to find the
 *   1. New command was accepted and this is the first call to find the
 *      correspondent states chain. In this case ns->npstates = 0;
 *      correspondent states chain. In this case ns->npstates = 0;
 *   2. There is several operations which begin with the same command(s)
 *   2. There are several operations which begin with the same command(s)
 *      (for example program from the second half and read from the
 *      (for example program from the second half and read from the
 *      second half operations both begin with the READ1 command). In this
 *      second half operations both begin with the READ1 command). In this
 *      case the ns->pstates[] array contains previous states.
 *      case the ns->pstates[] array contains previous states.
@@ -1186,7 +1186,7 @@ static inline void switch_to_ready_state(struct nandsim *ns, u_char status)
 * ns->ops, ns->state, ns->nxstate are initialized, ns->npstate is
 * ns->ops, ns->state, ns->nxstate are initialized, ns->npstate is
 * zeroed).
 * zeroed).
 *
 *
 * If there are several maches, the current state is pushed to the
 * If there are several matches, the current state is pushed to the
 * ns->pstates.
 * ns->pstates.
 *
 *
 * The operation can be unknown only while commands are input to the chip.
 * The operation can be unknown only while commands are input to the chip.
@@ -1195,10 +1195,10 @@ static inline void switch_to_ready_state(struct nandsim *ns, u_char status)
 * operation is searched using the following pattern:
 * operation is searched using the following pattern:
 *     ns->pstates[0], ... ns->pstates[ns->npstates], <address input>
 *     ns->pstates[0], ... ns->pstates[ns->npstates], <address input>
 *
 *
 * It is supposed that this pattern must either match one operation on
 * It is supposed that this pattern must either match one operation or
 * none. There can't be ambiguity in that case.
 * none. There can't be ambiguity in that case.
 *
 *
 * If no matches found, the functions does the following:
 * If no matches found, the function does the following:
 *   1. if there are saved states present, try to ignore them and search
 *   1. if there are saved states present, try to ignore them and search
 *      again only using the last command. If nothing was found, switch
 *      again only using the last command. If nothing was found, switch
 *      to the STATE_READY state.
 *      to the STATE_READY state.
@@ -1668,7 +1668,7 @@ static int do_state_action(struct nandsim *ns, uint32_t action)


	case ACTION_PRGPAGE:
	case ACTION_PRGPAGE:
		/*
		/*
		 * Programm page - move internal buffer data to the page.
		 * Program page - move internal buffer data to the page.
		 */
		 */


		if (ns->lines.wp) {
		if (ns->lines.wp) {
@@ -1933,7 +1933,7 @@ static u_char ns_nand_read_byte(struct mtd_info *mtd)
		NS_DBG("read_byte: all bytes were read\n");
		NS_DBG("read_byte: all bytes were read\n");


		/*
		/*
		 * The OPT_AUTOINCR allows to read next conseqitive pages without
		 * The OPT_AUTOINCR allows to read next consecutive pages without
		 * new read operation cycle.
		 * new read operation cycle.
		 */
		 */
		if ((ns->options & OPT_AUTOINCR) && NS_STATE(ns->state) == STATE_DATAOUT) {
		if ((ns->options & OPT_AUTOINCR) && NS_STATE(ns->state) == STATE_DATAOUT) {