Change return value on error.

[fw/openocd] / src / flash / nand / mx3.c

diff --git a/src/flash/nand/mx3.c b/src/flash/nand/mx3.c
index 7676d1b8478e5d7f49fc5372bfdf5c90da6cf8a6..54ba1f9b719dbfc64ee981d9dff97492c4db42dc 100644 (file)
--- a/src/flash/nand/mx3.c
+++ b/src/flash/nand/mx3.c
@@ -74,16 +74,9 @@ NAND_DEVICE_COMMAND_HANDLER(imx31_nand_device_command)
 
        nand->controller_priv = mx3_nf_info;
 
-       mx3_nf_info->target = get_target (CMD_ARGV[1]);
-       if (mx3_nf_info->target == NULL)
-       {
-           LOG_ERROR ("target '%s' not defined", CMD_ARGV[1]);
-           return ERROR_FAIL;
-       }
        if (CMD_ARGC < 3)
        {
-           LOG_ERROR ("use \"nand device imx31 target noecc|hwecc\"");
-           return ERROR_FAIL;
+           return ERROR_COMMAND_SYNTAX_ERROR;
        }
        /*
        * check hwecc requirements
@@ -104,9 +97,9 @@ NAND_DEVICE_COMMAND_HANDLER(imx31_nand_device_command)
        mx3_nf_info->optype = MX3_NF_DATAOUT_PAGE;
        mx3_nf_info->fin = MX3_NF_FIN_NONE;
        mx3_nf_info->flags.target_little_endian =
-       (mx3_nf_info->target->endianness == TARGET_LITTLE_ENDIAN);
+       (nand->target->endianness == TARGET_LITTLE_ENDIAN);
        /*
-       * testing host endianess
+       * testing host endianness
        */
        {
        int x = 1;
@@ -125,7 +118,7 @@ NAND_DEVICE_COMMAND_HANDLER(imx31_nand_device_command)
 static int imx31_init (struct nand_device *nand)
 {
        struct mx3_nf_controller *mx3_nf_info = nand->controller_priv;
-       struct target *target = mx3_nf_info->target;
+       struct target *target = nand->target;
 
        {
        /*
@@ -267,8 +260,7 @@ static int imx31_init (struct nand_device *nand)
 
 static int imx31_read_data (struct nand_device *nand, void *data)
 {
-       struct mx3_nf_controller *mx3_nf_info = nand->controller_priv;
-       struct target *target = mx3_nf_info->target;
+       struct target *target = nand->target;
        {
        /*
         * validate target state
@@ -329,7 +321,7 @@ static int imx31_reset (struct nand_device *nand)
 static int imx31_command (struct nand_device *nand, uint8_t command)
 {
        struct mx3_nf_controller *mx3_nf_info = nand->controller_priv;
-       struct target *target = mx3_nf_info->target;
+       struct target *target = nand->target;
        {
        /*
         * validate target state
@@ -402,8 +394,7 @@ static int imx31_command (struct nand_device *nand, uint8_t command)
 
 static int imx31_address (struct nand_device *nand, uint8_t address)
 {
-       struct mx3_nf_controller *mx3_nf_info = nand->controller_priv;
-       struct target *target = mx3_nf_info->target;
+       struct target *target = nand->target;
        {
        /*
         * validate target state
@@ -435,8 +426,7 @@ static int imx31_address (struct nand_device *nand, uint8_t address)
 static int imx31_nand_ready (struct nand_device *nand, int tout)
 {
        uint16_t poll_complete_status;
-       struct mx3_nf_controller *mx3_nf_info = nand->controller_priv;
-       struct target *target = mx3_nf_info->target;
+       struct target *target = nand->target;
 
        {
        /*
@@ -468,7 +458,7 @@ static int imx31_write_page (struct nand_device *nand, uint32_t page,
                             uint32_t oob_size)
 {
        struct mx3_nf_controller *mx3_nf_info = nand->controller_priv;
-       struct target *target = mx3_nf_info->target;
+       struct target *target = nand->target;
 
        if (data_size % 2)
        {
@@ -574,8 +564,7 @@ static int imx31_read_page (struct nand_device *nand, uint32_t page,
                            uint8_t * data, uint32_t data_size, uint8_t * oob,
                            uint32_t oob_size)
 {
-       struct mx3_nf_controller *mx3_nf_info = nand->controller_priv;
-       struct target *target = mx3_nf_info->target;
+       struct target *target = nand->target;
 
        if (data_size % 2)
        {
@@ -650,7 +639,7 @@ static int test_iomux_settings (struct target * target, uint32_t address,
 static int initialize_nf_controller (struct nand_device *nand)
 {
        struct mx3_nf_controller *mx3_nf_info = nand->controller_priv;
-       struct target *target = mx3_nf_info->target;
+       struct target *target = nand->target;
        /*
        * resets NAND flash controller in zero time ? I dont know.
        */
@@ -778,7 +767,7 @@ static int poll_for_complete_op (struct target * target, const char *text)
 static int validate_target_state (struct nand_device *nand)
 {
        struct mx3_nf_controller *mx3_nf_info = nand->controller_priv;
-       struct target *target = mx3_nf_info->target;
+       struct target *target = nand->target;
 
        if (target->state != TARGET_HALTED)
        {
@@ -800,7 +789,7 @@ static int validate_target_state (struct nand_device *nand)
 static int do_data_output (struct nand_device *nand)
 {
        struct mx3_nf_controller *mx3_nf_info = nand->controller_priv;
-       struct target *target = mx3_nf_info->target;
+       struct target *target = nand->target;
        switch (mx3_nf_info->fin)
        {
            case MX3_NF_FIN_DATAOUT:
@@ -861,6 +850,7 @@ static int do_data_output (struct nand_device *nand)
 
 struct nand_flash_controller imx31_nand_flash_controller = {
                .name = "imx31",
+               .usage = "nand device imx31 target noecc|hwecc",
                .nand_device_command = &imx31_nand_device_command,
                .init = &imx31_init,
                .reset = &imx31_reset,