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[Backport v3.7-branch] NXP drivers: flash: soc_flash_mcux: remove CMD_MARGIN_CHECK #83602

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Merged
merged 1 commit into from
Jan 22, 2025
Merged

[Backport v3.7-branch] NXP drivers: flash: soc_flash_mcux: remove CMD_MARGIN_CHECK #83602

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20 changes: 6 additions & 14 deletions drivers/flash/soc_flash_mcux.c
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Original file line number Diff line number Diff line change
Expand Up @@ -88,7 +88,7 @@ static uint32_t get_cmd_status(uint32_t cmd, uint32_t addr, size_t len)
}

/* This function prevents erroneous reading. Some ECC enabled devices will
* crash when reading an erased or wrongly programmed area.
* crash when reading an erased area.
*/
static status_t is_area_readable(uint32_t addr, size_t len)
{
Expand All @@ -97,21 +97,13 @@ static status_t is_area_readable(uint32_t addr, size_t len)

key = irq_lock();

/* Check if the are is correctly programmed and can be read. */
status = get_cmd_status(FMC_CMD_MARGIN_CHECK, addr, len);
if (status & FMC_STATUS_FAILURES) {
/* If the area was erased, ECC errors are triggered on read. */
status = get_cmd_status(FMC_CMD_BLANK_CHECK, addr, len);
if (!(status & FMC_STATUS_FAIL)) {
LOG_DBG("read request on erased addr:0x%08x size:%d",
addr, len);
irq_unlock(key);
return -ENODATA;
}
LOG_DBG("read request error for addr:0x%08x size:%d",
/* If the area was erased, ECC errors are triggered on read. */
status = get_cmd_status(FMC_CMD_BLANK_CHECK, addr, len);
if (!(status & FMC_STATUS_FAIL)) {
LOG_DBG("read request on erased addr:0x%08x size:%d",
addr, len);
irq_unlock(key);
return -EIO;
return -ENODATA;
}

irq_unlock(key);
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