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[drivers][ofw] Fixed fdt_scan_memory() memory adjustment bug #8853

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Merged
BernardXiong merged 2 commits into from
Apr 27, 2024
Merged

[drivers][ofw] Fixed fdt_scan_memory() memory adjustment bug #8853

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59fba5f
Fixed fdt memory adjustment bug
liYony Apr 24, 2024
9b28efc
Modify the memory adjustment logic
liYony Apr 26, 2024
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7 changes: 2 additions & 5 deletions components/drivers/ofw/fdt.c
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Original file line number Diff line number Diff line change
Expand Up @@ -492,17 +492,14 @@ static rt_err_t fdt_scan_memory(void)
*/

/* case 0 */
if (res_region->start >= region->start && res_region->end <= region->end)
if (res_region->start > region->start && res_region->end < region->end)
{
rt_size_t new_size = region->end - res_region->end;

region->end = res_region->start;

/* Commit part next block */
if (new_size)
{
err = commit_memregion(region->name, res_region->end, new_size, RT_FALSE);
}
err = commit_memregion(region->name, res_region->end, new_size, RT_FALSE);

if (!err)
{
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