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ftl:adjust ftl for RRAM/MRAM

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Accessing RRAM/MRAM from the FTL interface can
cause errors because RRAM lacks an erase interface.
To make RRAM/MRAM compatible with FTL, the FTL layer
erase interface needs to be modified.

Signed-off-by: jingfei <jingfei@xiaomi.com>
This commit is contained in:
jingfei
2025-05-12 20:32:45 +08:00
committed by Xiang Xiao
parent 152ea6c4bd
commit e8fbc997fa
1 changed files with 5 additions and 4 deletions
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drivers/mtd/ftl.c
+5 -4
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@@ -392,13 +392,14 @@ static ssize_t ftl_mtd_erase(FAR struct ftl_struct_s *dev, off_t startblock)
if (dev->lptable == NULL)
{
ret = MTD_ERASE(dev->mtd, startblock, 1);
if (ret < 0)
if (ret != 1 && ret != -ENOSYS)
{
ferr("ERROR: Erase block %" PRIdOFF " failed: %zd\n",
startblock, ret);
return ret;
}
return ret;
return 1;
}
while (1)
@@ -409,9 +410,9 @@ static ssize_t ftl_mtd_erase(FAR struct ftl_struct_s *dev, off_t startblock)
}
ret = MTD_ERASE(dev->mtd, dev->lptable[startblock], 1);
if (ret == 1)
if (ret == 1 || ret == -ENOSYS)
{
return ret;
return 1;
}
MTD_MARKBAD(dev->mtd, dev->lptable[startblock]);