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Posted to commits@nuttx.apache.org by GitBox <gi...@apache.org> on 2020/05/14 10:31:34 UTC
[GitHub] [incubator-nuttx] jlaitine commented on a change in pull request #1042: stm32h7 progmem fixes
jlaitine commented on a change in pull request #1042:
URL: https://github.com/apache/incubator-nuttx/pull/1042#discussion_r425036080
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File path: arch/arm/src/stm32h7/stm32_flash.c
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@@ -762,94 +903,65 @@ ssize_t up_progmem_write(size_t addr, const void *buf, size_t count)
ARM_DSB();
ARM_ISB();
- while (stm32h7_flash_getreg32(priv, STM32_FLASH_SR1_OFFSET) &
- (FLASH_SR_BSY | FLASH_SR_QW))
+ if (stm32h7_wait_for_last_operation(priv))
{
+ return -EIO;
}
- /* Verify */
-
- if (stm32h7_flash_getreg32(priv, STM32_FLASH_SR1_OFFSET) &
- FLASH_CR_SER)
- {
- written = -EROFS;
- break;
- }
- else
+ sr = stm32h7_flash_getreg32(priv, STM32_FLASH_SR1_OFFSET);
+ if (sr & (FLASH_SR_SNECCERR | FLASH_SR_DBECCERR))
Review comment:
This indeed looks suspicious, and I can't recall if there was some reason for it. Maybe we need to study this one more and come back to this PR later. I will contact the original author of this patch to get more info.
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