>> From: Jaewon <jaewon31.kim@xxxxxxxxxxx>
>>
>> There was an alignment mismatch issue for CMA and it was fixed by
>> commit 1cc8e3458b51 ("drivers: of: of_reserved_mem: fixup the alignment with CMA setup").
>> However the way of the commit considers not only dma-contiguous(CMA) but also
>> dma-coherent which has no that requirement.
>>
>> This patch checks more to distinguish dma-contiguous(CMA) from dma-coherent.
>>
>> Signed-off-by: Jaewon Kim <jaewon31.kim@xxxxxxxxxxx>
>> ---
>> drivers/of/of_reserved_mem.c | 5 ++++-
>> 1 file changed, 4 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c
>> index ed01c01..45b873e 100644
>> --- a/drivers/of/of_reserved_mem.c
>> +++ b/drivers/of/of_reserved_mem.c
>> @@ -127,7 +127,10 @@ static int __init __reserved_mem_alloc_size(unsigned long node,
>> }
>>
>> /* Need adjust the alignment to satisfy the CMA requirement */
>> - if (IS_ENABLED(CONFIG_CMA) && of_flat_dt_is_compatible(node, "shared-dma-pool"))
>> + if (IS_ENABLED(CONFIG_CMA)
>> + && of_flat_dt_is_compatible(node, "shared-dma-pool")
>> + && of_get_flat_dt_prop(node, "reusable", NULL)
>> + && !of_get_flat_dt_prop(node, "no-map", NULL)) {
>
>This won't actually compile as you add a bracket here, but no closing bracket...
>
>I've fixed up and applied.
Thank you very much for your correction.
I might add debug code with the bracket.
Please let me know if any issue in submitting this patch
>
>> align = max(align, (phys_addr_t)PAGE_SIZE << max(MAX_ORDER - 1, pageblock_order));
>>
>> prop = of_get_flat_dt_prop(node, "alloc-ranges", &len);
>> --
>> 1.9.1
>>
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