Commit 0be718e5 authored by Artem Bityutskiy's avatar Artem Bityutskiy Committed by David Woodhouse
Browse files

mtd: nand: remove a bunch of unused commands


Signed-off-by: default avatarArtem Bityutskiy <artem.bityutskiy@linux.intel.com>
Acked-by: default avatarBrian Norris <computersforpeace@gmail.com>
Signed-off-by: default avatarDavid Woodhouse <David.Woodhouse@intel.com>
parent 14c65786
......@@ -303,13 +303,7 @@ static void cafe_nand_cmdfunc(struct mtd_info *mtd, unsigned command,
case NAND_CMD_SEQIN:
case NAND_CMD_RNDIN:
case NAND_CMD_STATUS:
case NAND_CMD_DEPLETE1:
case NAND_CMD_RNDOUT:
case NAND_CMD_STATUS_ERROR:
case NAND_CMD_STATUS_ERROR0:
case NAND_CMD_STATUS_ERROR1:
case NAND_CMD_STATUS_ERROR2:
case NAND_CMD_STATUS_ERROR3:
cafe_writel(cafe, cafe->ctl2, NAND_CTRL2);
return;
}
......
......@@ -668,16 +668,6 @@ static void nand_command_lp(struct mtd_info *mtd, unsigned int command,
case NAND_CMD_SEQIN:
case NAND_CMD_RNDIN:
case NAND_CMD_STATUS:
case NAND_CMD_DEPLETE1:
return;
case NAND_CMD_STATUS_ERROR:
case NAND_CMD_STATUS_ERROR0:
case NAND_CMD_STATUS_ERROR1:
case NAND_CMD_STATUS_ERROR2:
case NAND_CMD_STATUS_ERROR3:
/* Read error status commands require only a short delay */
udelay(chip->chip_delay);
return;
case NAND_CMD_RESET:
......
......@@ -218,7 +218,6 @@ MODULE_PARM_DESC(bch, "Enable BCH ecc and set how many bits should "
#define STATE_CMD_READOOB 0x00000005 /* read OOB area */
#define STATE_CMD_ERASE1 0x00000006 /* sector erase first command */
#define STATE_CMD_STATUS 0x00000007 /* read status */
#define STATE_CMD_STATUS_M 0x00000008 /* read multi-plane status (isn't implemented) */
#define STATE_CMD_SEQIN 0x00000009 /* sequential data input */
#define STATE_CMD_READID 0x0000000A /* read ID */
#define STATE_CMD_ERASE2 0x0000000B /* sector erase second command */
......@@ -406,8 +405,6 @@ static struct nandsim_operations {
{OPT_ANY, {STATE_CMD_ERASE1, STATE_ADDR_SEC, STATE_CMD_ERASE2 | ACTION_SECERASE, STATE_READY}},
/* Read status */
{OPT_ANY, {STATE_CMD_STATUS, STATE_DATAOUT_STATUS, STATE_READY}},
/* Read multi-plane status */
{OPT_SMARTMEDIA, {STATE_CMD_STATUS_M, STATE_DATAOUT_STATUS_M, STATE_READY}},
/* Read ID */
{OPT_ANY, {STATE_CMD_READID, STATE_ADDR_ZERO, STATE_DATAOUT_ID, STATE_READY}},
/* Large page devices read page */
......@@ -1079,8 +1076,6 @@ static char *get_state_name(uint32_t state)
return "STATE_CMD_ERASE1";
case STATE_CMD_STATUS:
return "STATE_CMD_STATUS";
case STATE_CMD_STATUS_M:
return "STATE_CMD_STATUS_M";
case STATE_CMD_SEQIN:
return "STATE_CMD_SEQIN";
case STATE_CMD_READID:
......@@ -1145,7 +1140,6 @@ static int check_command(int cmd)
case NAND_CMD_RNDOUTSTART:
return 0;
case NAND_CMD_STATUS_MULTI:
default:
return 1;
}
......@@ -1171,8 +1165,6 @@ static uint32_t get_state_by_command(unsigned command)
return STATE_CMD_ERASE1;
case NAND_CMD_STATUS:
return STATE_CMD_STATUS;
case NAND_CMD_STATUS_MULTI:
return STATE_CMD_STATUS_M;
case NAND_CMD_SEQIN:
return STATE_CMD_SEQIN;
case NAND_CMD_READID:
......
......@@ -177,15 +177,6 @@ static void nuc900_nand_command_lp(struct mtd_info *mtd, unsigned int command,
case NAND_CMD_SEQIN:
case NAND_CMD_RNDIN:
case NAND_CMD_STATUS:
case NAND_CMD_DEPLETE1:
return;
case NAND_CMD_STATUS_ERROR:
case NAND_CMD_STATUS_ERROR0:
case NAND_CMD_STATUS_ERROR1:
case NAND_CMD_STATUS_ERROR2:
case NAND_CMD_STATUS_ERROR3:
udelay(chip->chip_delay);
return;
case NAND_CMD_RESET:
......
......@@ -86,7 +86,6 @@ extern int nand_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len);
#define NAND_CMD_READOOB 0x50
#define NAND_CMD_ERASE1 0x60
#define NAND_CMD_STATUS 0x70
#define NAND_CMD_STATUS_MULTI 0x71
#define NAND_CMD_SEQIN 0x80
#define NAND_CMD_RNDIN 0x85
#define NAND_CMD_READID 0x90
......@@ -105,25 +104,6 @@ extern int nand_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len);
#define NAND_CMD_RNDOUTSTART 0xE0
#define NAND_CMD_CACHEDPROG 0x15
/* Extended commands for AG-AND device */
/*
* Note: the command for NAND_CMD_DEPLETE1 is really 0x00 but
* there is no way to distinguish that from NAND_CMD_READ0
* until the remaining sequence of commands has been completed
* so add a high order bit and mask it off in the command.
*/
#define NAND_CMD_DEPLETE1 0x100
#define NAND_CMD_DEPLETE2 0x38
#define NAND_CMD_STATUS_MULTI 0x71
#define NAND_CMD_STATUS_ERROR 0x72
/* multi-bank error status (banks 0-3) */
#define NAND_CMD_STATUS_ERROR0 0x73
#define NAND_CMD_STATUS_ERROR1 0x74
#define NAND_CMD_STATUS_ERROR2 0x75
#define NAND_CMD_STATUS_ERROR3 0x76
#define NAND_CMD_STATUS_RESET 0x7f
#define NAND_CMD_STATUS_CLEAR 0xff
#define NAND_CMD_NONE -1
/* Status bits */
......
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