mtd: nand: remove a bunch of unused commands

Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Acked-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

diff --git a/drivers/mtd/nand/cafe_nand.c b/drivers/mtd/nand/cafe_nand.c
index 010d612..a01ccb9 100644 (file)
--- a/drivers/mtd/nand/cafe_nand.c
+++ b/drivers/mtd/nand/cafe_nand.c
@@ -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;
        }

diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 7b7ebd5..39154aa 100644 (file)
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -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:

diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c
index 891c52a..7199acc 100644 (file)
--- a/drivers/mtd/nand/nandsim.c
+++ b/drivers/mtd/nand/nandsim.c
@@ -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:

diff --git a/drivers/mtd/nand/nuc900_nand.c b/drivers/mtd/nand/nuc900_nand.c
index a619119..cd6be2e 100644 (file)
--- a/drivers/mtd/nand/nuc900_nand.c
+++ b/drivers/mtd/nand/nuc900_nand.c
@@ -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:

diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index 7cc2994..e5d6160 100644 (file)
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -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 */