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flash: add error handling to get_flash_by_addr/name

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autoprobing can fail and this error has to be
reported up the call stack.

Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
This commit is contained in:
Øyvind Harboe
2010-06-11 08:10:39 +02:00
parent 0538081246
commit 4532dc7831
3 changed files with 38 additions and 25 deletions
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39
src/flash/nor/core.c
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@@ -197,7 +197,7 @@ struct flash_bank *get_flash_bank_by_name_noprobe(const char *name)
return NULL;
}
struct flash_bank *get_flash_bank_by_name(const char *name)
int get_flash_bank_by_name(const char *name, struct flash_bank **bank_result)
{
struct flash_bank *bank;
int retval;
@@ -210,11 +210,12 @@ struct flash_bank *get_flash_bank_by_name(const char *name)
if (retval != ERROR_OK)
{
LOG_ERROR("auto_probe failed %d\n", retval);
return NULL;
return retval;
}
}
return bank;
*bank_result = bank;
return ERROR_OK;
}
int get_flash_bank_by_num(int num, struct flash_bank **bank)
@@ -238,8 +239,9 @@ int get_flash_bank_by_num(int num, struct flash_bank **bank)
return ERROR_OK;
}
/* lookup flash bank by address */
struct flash_bank *get_flash_bank_by_addr(struct target *target, uint32_t addr)
/* lookup flash bank by address, bank not found is success, but
* result_bank is set to NULL. */
int get_flash_bank_by_addr(struct target *target, uint32_t addr, bool check, struct flash_bank **result_bank)
{
struct flash_bank *c;
@@ -252,14 +254,22 @@ struct flash_bank *get_flash_bank_by_addr(struct target *target, uint32_t addr)
if (retval != ERROR_OK)
{
LOG_ERROR("auto_probe failed %d\n", retval);
return NULL;
return retval;
}
/* check whether address belongs to this flash bank */
if ((addr >= c->base) && (addr <= c->base + (c->size - 1)) && target == c->target)
return c;
{
*result_bank = c;
return ERROR_OK;
}
}
LOG_ERROR("No flash at address 0x%08" PRIx32 "\n", addr);
return NULL;
*result_bank = NULL;
if (check)
{
LOG_ERROR("No flash at address 0x%08" PRIx32 "\n", addr);
return ERROR_FAIL;
}
return ERROR_OK;
}
int default_flash_mem_blank_check(struct flash_bank *bank)
@@ -379,8 +389,9 @@ static int flash_iterate_address_range(struct target *target,
int last = -1;
int i;
if ((c = get_flash_bank_by_addr(target, addr)) == NULL)
return ERROR_FLASH_DST_OUT_OF_BANK; /* no corresponding bank found */
int retval = get_flash_bank_by_addr(target, addr, true, &c);
if (retval != ERROR_OK)
return retval;
if (c->size == 0 || c->num_sectors == 0)
{
@@ -588,7 +599,11 @@ int flash_write_unlock(struct target *target, struct image *image,
}
/* find the corresponding flash bank */
if ((c = get_flash_bank_by_addr(target, run_address)) == NULL)
int retval;
retval = get_flash_bank_by_addr(target, run_address, false, &c);
if (retval != ERROR_OK)
return retval;
if (c == NULL)
{
section++; /* and skip it */
section_offset = 0;