flash/nor: make all working area pointers local

[openocd.git] / src / flash / nor / em357.c

diff --git a/src/flash/nor/em357.c b/src/flash/nor/em357.c
index 412c9def2e39080bbf77e4298c57175f0248dca8..5fa001390e57797dda3d8db137d738b692088284 100644 (file)
--- a/src/flash/nor/em357.c
+++ b/src/flash/nor/em357.c
@@ -88,7 +88,6 @@ struct em357_options {
 
 struct em357_flash_bank {
        struct em357_options option_bytes;
-       struct working_area *write_algorithm;
        int ppage_size;
        int probed;
 };
@@ -107,7 +106,6 @@ FLASH_BANK_COMMAND_HANDLER(em357_flash_bank_command)
        em357_info = malloc(sizeof(struct em357_flash_bank));
        bank->driver_priv = em357_info;
 
-       em357_info->write_algorithm = NULL;
        em357_info->probed = 0;
 
        return ERROR_OK;
@@ -457,9 +455,9 @@ static int em357_protect(struct flash_bank *bank, int set, int first, int last)
 static int em357_write_block(struct flash_bank *bank, uint8_t *buffer,
        uint32_t offset, uint32_t count)
 {
-       struct em357_flash_bank *em357_info = bank->driver_priv;
        struct target *target = bank->target;
        uint32_t buffer_size = 16384;
+       struct working_area *write_algorithm;
        struct working_area *source;
        uint32_t address = bank->base + offset;
        struct reg_param reg_params[4];
@@ -497,13 +495,13 @@ static int em357_write_block(struct flash_bank *bank, uint8_t *buffer,
 
        /* flash write code */
        if (target_alloc_working_area(target, sizeof(em357_flash_write_code),
-                       &em357_info->write_algorithm) != ERROR_OK) {
+                       &write_algorithm) != ERROR_OK) {
                LOG_WARNING("no working area available, can't do block memory writes");
                return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
        }
        ;
 
-       retval = target_write_buffer(target, em357_info->write_algorithm->address,
+       retval = target_write_buffer(target, write_algorithm->address,
                        sizeof(em357_flash_write_code), (uint8_t *)em357_flash_write_code);
        if (retval != ERROR_OK)
                return retval;
@@ -512,10 +510,9 @@ static int em357_write_block(struct flash_bank *bank, uint8_t *buffer,
        while (target_alloc_working_area_try(target, buffer_size, &source) != ERROR_OK) {
                buffer_size /= 2;
                if (buffer_size <= 256) {
-                       /* if we already allocated the writing code, but failed to get a
+                       /* we already allocated the writing code, but failed to get a
                         * buffer, free the algorithm */
-                       if (em357_info->write_algorithm)
-                               target_free_working_area(target, em357_info->write_algorithm);
+                       target_free_working_area(target, write_algorithm);
 
                        LOG_WARNING(
                                "no large enough working area available, can't do block memory writes");
@@ -546,7 +543,7 @@ static int em357_write_block(struct flash_bank *bank, uint8_t *buffer,
                buf_set_u32(reg_params[3].value, 0, 32, 0);
 
                retval = target_run_algorithm(target, 0, NULL, 4, reg_params,
-                               em357_info->write_algorithm->address, 0, 10000, &armv7m_info);
+                               write_algorithm->address, 0, 10000, &armv7m_info);
                if (retval != ERROR_OK) {
                        LOG_ERROR("error executing em357 flash write algorithm");
                        break;
@@ -574,7 +571,7 @@ static int em357_write_block(struct flash_bank *bank, uint8_t *buffer,
        }
 
        target_free_working_area(target, source);
-       target_free_working_area(target, em357_info->write_algorithm);
+       target_free_working_area(target, write_algorithm);
 
        destroy_reg_param(&reg_params[0]);
        destroy_reg_param(&reg_params[1]);